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Test: Lenovo Ideapad 720S-13IKB (i5-8250U, UHD 620) Laptop (Sammanfattning)

Ultramobil kontorsprestanda. Lenovo kallar den nya Ideapad 720s ett "extremt högpresterande och tjusigt kraftpaket." Även om vi inte riktigt skulle kalla den för det så är prestandan ändå imponerande för en laptop som bara är 13 mm tunn. Vi fick i vår testrapport reda på exakt vad du kan förvänta dig av 720s i sina olika konfigurationer.
Lenovo Ideapad 720S-13IKB (IdeaPad 720 Serie)
Processor
Intel Core i5-8250U 4 x 1.6 - 3.4 GHz, Kaby Lake Refresh
Minne
8 GB 
, enkel-kanal
Skärm
13.30 tum 16:9, 1920 x 1080 pixlar 166 PPI, LG Philips LGD04EF, IPS, glansig: nej
Moderkort
Intel Kaby Lake-U iHDCP 2.2 Premium PCH
Hårddisk
Samsung PM961 MZVLW256HEHP, 256 GB 
, 200 GB ledigt
Ljudkort
Intel Kaby Lake-U/Y PCH - High Definition Audio
Anslutningar
2 USB 3.0, 1 USB 3.1 Gen2, 1 Thunderbolt, Ljudanslutningar: kombinerad ljudanslutning, 1 Fingeravtrycksläsare
Nätverk
Intel Dual Band Wireless-AC 3165 (a/b/g/n = Wi-Fi 4/ac = Wi-Fi 5/), Bluetooth 4.1
Storlek
höjd x bredd x djup (i mm) 13.6 x 306 x 214
Batteri
46 Wh Litiumpolymer, 4 celler, Batteritid (enligt tillverkaren): 8 tim
Operativsystem
Microsoft Windows 10 Home 64 Bit
Camera
Webbkamera: 720p, 1MP
Övrigt
Högtalare: stereo, Tangentbord: chiclet, Tangentbordsbelysning: ja, 24 Månader Garanti
Vikt
1.1 kg, Strömförsörjning: 170 g
Pris
999 Kr
Note: The manufacturer may use components from different suppliers including display panels, drives or memory sticks with similar specifications.

 

Size Comparison

340 mm 243.5 mm 22.2 mm 1.6 kg324.4 mm 226 mm 15.9 mm 1.5 kg309.7 mm 215.7 mm 16.4 mm 1.4 kg306 mm 214 mm 13.6 mm 1.1 kg302 mm 199 mm 11.6 mm 1.2 kg297 mm 210 mm 1 mm 5.7 g
1x USB 3.0 Type-C as power connection, 1x USB 3.0, 1x Thunderbolt
1x USB 3.0 Type-C as power connection, 1x USB 3.0, 1x Thunderbolt
microphone, 1x combined audio port, 1x USB 3.0
microphone, 1x combined audio port, 1x USB 3.0
Networking
iperf3 transmit AX12
Dell Inspiron 13 7370
Intel Dual Band Wireless-AC 7265
688 MBit/s +101%
Acer Spin 5 SP513-52N-54SF
Atheros/Qualcomm QCA6174
580 MBit/s +69%
SCHENKER Slim 14 L17
Intel 8265 Tri-Band WiFi (Oak Peak) Network Adapter
518 MBit/s +51%
Dell XPS 13 9370 i5 UHD
Killer Wireless-n/a/ac 1435 Wireless Network Adapter
505 MBit/s +47%
Lenovo Ideapad 720S-13IKB
Intel Dual Band Wireless-AC 3165
343 MBit/s
iperf3 receive AX12
Dell XPS 13 9370 i5 UHD
Killer Wireless-n/a/ac 1435 Wireless Network Adapter
639 MBit/s +105%
SCHENKER Slim 14 L17
Intel 8265 Tri-Band WiFi (Oak Peak) Network Adapter
592 MBit/s +90%
Dell Inspiron 13 7370
Intel Dual Band Wireless-AC 7265
520 MBit/s +67%
Lenovo Ideapad 720S-13IKB
Intel Dual Band Wireless-AC 3165
311 MBit/s
Acer Spin 5 SP513-52N-54SF
Atheros/Qualcomm QCA6174
308 MBit/s -1%
312
cd/m²
293
cd/m²
292
cd/m²
308
cd/m²
335
cd/m²
313
cd/m²
284
cd/m²
296
cd/m²
290
cd/m²
Distribution av ljusstyrkan
LG Philips LGD04EF tested with X-Rite i1Pro 2
Max: 335 cd/m² (Nits) Medel: 302.6 cd/m² Minimum: 4.8 cd/m²
Distribution av ljusstyrkan: 85 %
Mitt på batteriet: 290 cd/m²
Kontrast: 728:1 (Svärta: 0.46 cd/m²)
ΔE Color 5.09 | 0.5-29.43 Ø4.91
ΔE Greyscale 3.23 | 0.5-98 Ø5.2
82% sRGB (Argyll 1.6.3 3D)
54% AdobeRGB 1998 (Argyll 1.6.3 3D)
60.2% AdobeRGB 1998 (Argyll 2.2.0 3D)
82.3% sRGB (Argyll 2.2.0 3D)
64.3% Display P3 (Argyll 2.2.0 3D)
Gamma: 2.18
Lenovo Ideapad 720S-13IKB
LG Philips LGD04EF, , 1920x1080, 13.3"
Dell XPS 13 9370 i5 UHD
ID: Sharp SHP148B, Name: LQ133D1, Dell P/N: 8XDHY, , 3840x2160, 13.3"
Acer Spin 5 SP513-52N-54SF
LC133LF102, , 1920x1080, 13.3"
Dell Inspiron 13 7370
BOE071A / NV13FHM / Dell G64PY, , 1920x1080, 13.3"
SCHENKER Slim 14 L17
LG Philips LGD046D, , 1920x1080, 14"
Display
14%
13%
5%
3%
Display P3 Coverage
64.3
68.9
7%
69.8
9%
66.7
4%
66.1
3%
sRGB Coverage
82.3
98.4
20%
94.6
15%
86.2
5%
85.2
4%
AdobeRGB 1998 Coverage
60.2
69.5
15%
69.3
15%
63
5%
62.3
3%
Response Times
-85%
-49%
-54%
-34%
Response Time Grey 50% / Grey 80% *
35 ?(17, 18)
67.2 ?(31.6, 35.6)
-92%
49 ?(30, 19)
-40%
46 ?(21, 25)
-31%
37.6 ?(19.6, 18)
-7%
Response Time Black / White *
25 ?(14, 11)
41.6 ?(22.8, 18.8)
-66%
27 ?(15, 12)
-8%
33 ?(17, 16)
-32%
28 ?(14.8, 13.2)
-12%
PWM Frequency
131000 ?(90)
2500 ?(20)
-98%
1000 ?(20)
-99%
201 ?(90)
-100%
20490 ?(99)
-84%
Screen
25%
20%
-1%
7%
Brightness middle
335
496.4
48%
295
-12%
301
-10%
326
-3%
Brightness
303
469
55%
276
-9%
291
-4%
320
6%
Brightness Distribution
85
84
-1%
88
4%
87
2%
81
-5%
Black Level *
0.46
0.5
-9%
0.27
41%
0.33
28%
0.31
33%
Contrast
728
993
36%
1093
50%
912
25%
1052
45%
Colorchecker dE 2000 *
5.09
2.9
43%
2.97
42%
5.39
-6%
4.6
10%
Colorchecker dE 2000 max. *
11.92
5.26
56%
5.67
52%
8.56
28%
10.3
14%
Greyscale dE 2000 *
3.23
3.9
-21%
3.12
3%
5.93
-84%
4.4
-36%
Gamma
2.18 101%
2.066 106%
2.45 90%
2.6 85%
2.24 98%
CCT
6214 105%
7169 91%
6676 97%
6358 102%
5978 109%
Color Space (Percent of AdobeRGB 1998)
54
63.9
18%
62
15%
56
4%
55.8
3%
Color Space (Percent of sRGB)
82
98.2
20%
94
15%
86
5%
85.1
4%
Total Average (Program / Settings)
-15% / 2%
-5% / 6%
-17% / -10%
-8% / -1%

* ... smaller is better

Display Response Times

Display response times show how fast the screen is able to change from one color to the next. Slow response times can lead to afterimages and can cause moving objects to appear blurry (ghosting). Gamers of fast-paced 3D titles should pay special attention to fast response times.
       Response Time Black to White
25 ms ... rise ↗ and fall ↘ combined↗ 14 ms rise
↘ 11 ms fall
The screen shows relatively slow response rates in our tests and may be too slow for gamers.
In comparison, all tested devices range from 0.1 (minimum) to 240 (maximum) ms. » 55 % of all devices are better.
This means that the measured response time is worse than the average of all tested devices (20.9 ms).
       Response Time 50% Grey to 80% Grey
35 ms ... rise ↗ and fall ↘ combined↗ 17 ms rise
↘ 18 ms fall
The screen shows slow response rates in our tests and will be unsatisfactory for gamers.
In comparison, all tested devices range from 0.165 (minimum) to 636 (maximum) ms. » 44 % of all devices are better.
This means that the measured response time is similar to the average of all tested devices (32.8 ms).

Screen Flickering / PWM (Pulse-Width Modulation)

To dim the screen, some notebooks will simply cycle the backlight on and off in rapid succession - a method called Pulse Width Modulation (PWM) . This cycling frequency should ideally be undetectable to the human eye. If said frequency is too low, users with sensitive eyes may experience strain or headaches or even notice the flickering altogether.
Screen flickering / PWM detected 131000 Hz ≤ 90 % brightness setting

The display backlight flickers at 131000 Hz (worst case, e.g., utilizing PWM) Flickering detected at a brightness setting of 90 % and below. There should be no flickering or PWM above this brightness setting.

The frequency of 131000 Hz is quite high, so most users sensitive to PWM should not notice any flickering.

In comparison: 53 % of all tested devices do not use PWM to dim the display. If PWM was detected, an average of 8702 (minimum: 5 - maximum: 343500) Hz was measured.

 
0102030405060708090100110120130140150160170180190200210220230240250260270280290300310320330340350360370380390400410420430440450460470480490500510520Tooltip
Cinebench R15 CPU Multi 64 Bit
Cinebench R15
CPU Single 64Bit
SCHENKER Slim 14 L17
Intel Core i5-8250U
145 Points +5%
Dell Inspiron 13 7370
Intel Core i5-8250U
144 Points +4%
Acer Spin 5 SP513-52N-54SF
Intel Core i5-8250U
144 Points +4%
Dell XPS 13 9370 i5 UHD
Intel Core i5-8250U
142 Points +3%
Lenovo Ideapad 720S-13IKB
Intel Core i5-8250U
138 Points
CPU Multi 64Bit
Dell XPS 13 9370 i5 UHD
Intel Core i5-8250U
636 Points +26%
Dell Inspiron 13 7370
Intel Core i5-8250U
565 Points +12%
SCHENKER Slim 14 L17
Intel Core i5-8250U
564 Points +11%
Acer Spin 5 SP513-52N-54SF
Intel Core i5-8250U
534 Points +6%
Lenovo Ideapad 720S-13IKB
Intel Core i5-8250U
506 Points
Cinebench R15 CPU Single 64Bit
138 Points
Cinebench R15 CPU Multi 64Bit
506 Points
Cinebench R15 OpenGL 64Bit
38.52 fps
Cinebench R15 Ref. Match 64Bit
97.8 %
Hjälp
PCMark 8
Home Score Accelerated v2
SCHENKER Slim 14 L17
UHD Graphics 620, i5-8250U, Samsung SSD 960 Pro 512 GB m.2
4006 Points +13%
Dell Inspiron 13 7370
UHD Graphics 620, i5-8250U, Micron 1100 MTFDDAV256TBN
3902 Points +10%
Lenovo Ideapad 720S-13IKB
UHD Graphics 620, i5-8250U, Samsung PM961 MZVLW256HEHP
3544 Points
Dell XPS 13 9370 i5 UHD
UHD Graphics 620, i5-8250U, Toshiba XG5 KXG50ZNV256G
3471 Points -2%
Acer Spin 5 SP513-52N-54SF
UHD Graphics 620, i5-8250U, Micron 1100 MTFDDAV256TBN
3197 Points -10%
Work Score Accelerated v2
Dell Inspiron 13 7370
UHD Graphics 620, i5-8250U, Micron 1100 MTFDDAV256TBN
4786 Points 0%
Lenovo Ideapad 720S-13IKB
UHD Graphics 620, i5-8250U, Samsung PM961 MZVLW256HEHP
4777 Points
Acer Spin 5 SP513-52N-54SF
UHD Graphics 620, i5-8250U, Micron 1100 MTFDDAV256TBN
4563 Points -4%
Dell XPS 13 9370 i5 UHD
UHD Graphics 620, i5-8250U, Toshiba XG5 KXG50ZNV256G
4140 Points -13%
PCMark 8 Home Score Accelerated v2
3544 poäng
PCMark 8 Work Score Accelerated v2
4777 poäng
Hjälp
Lenovo Ideapad 720S-13IKB
Samsung PM961 MZVLW256HEHP
Acer Spin 5 SP513-52N-54SF
Micron 1100 MTFDDAV256TBN
Dell Inspiron 13 7370
Micron 1100 MTFDDAV256TBN
SCHENKER Slim 14 L17
Samsung SSD 960 Pro 512 GB m.2
CrystalDiskMark 3.0
-44%
-57%
53%
Read Seq
1674
462.7
-72%
476.8
-72%
2860
71%
Write Seq
1191
439.9
-63%
458.3
-62%
1995
68%
Read 512
658
325.2
-51%
351
-47%
815
24%
Write 512
852
361.9
-58%
298.2
-65%
1480
74%
Read 4k
51.8
27.52
-47%
20.79
-60%
57.7
11%
Write 4k
114.9
91.6
-20%
65.8
-43%
196.7
71%
Read 4k QD32
349.2
247.3
-29%
172.8
-51%
565
62%
Write 4k QD32
332.2
292
-12%
160.3
-52%
475.1
43%
Samsung PM961 MZVLW256HEHP
Sequential Read: 1674 MB/s
Sequential Write: 1191 MB/s
512K Read: 658 MB/s
512K Write: 852 MB/s
4K Read: 51.8 MB/s
4K Write: 114.9 MB/s
4K QD32 Read: 349.2 MB/s
4K QD32 Write: 332.2 MB/s
3DMark 11 - 1280x720 Performance GPU
Dell XPS 13 9370 i5 UHD
Intel UHD Graphics 620, Intel Core i5-8250U
1806 Points +18%
Dell Inspiron 13 7370
Intel UHD Graphics 620, Intel Core i5-8250U
1729 Points +12%
SCHENKER Slim 14 L17
Intel UHD Graphics 620, Intel Core i5-8250U
1666 Points +8%
Acer Spin 5 SP513-52N-54SF
Intel UHD Graphics 620, Intel Core i5-8250U
1607 Points +5%
Lenovo Ideapad 720S-13IKB
Intel UHD Graphics 620, Intel Core i5-8250U
1537 Points
3DMark
1280x720 Cloud Gate Standard Graphics
Dell Inspiron 13 7370
Intel UHD Graphics 620, Intel Core i5-8250U
9551 Points +19%
Dell XPS 13 9370 i5 UHD
Intel UHD Graphics 620, Intel Core i5-8250U
9349 Points +16%
Acer Spin 5 SP513-52N-54SF
Intel UHD Graphics 620, Intel Core i5-8250U
8654 Points +8%
Lenovo Ideapad 720S-13IKB
Intel UHD Graphics 620, Intel Core i5-8250U
8025 Points
1920x1080 Fire Strike Graphics
Dell XPS 13 9370 i5 UHD
Intel UHD Graphics 620, Intel Core i5-8250U
1200 Points +26%
Dell Inspiron 13 7370
Intel UHD Graphics 620, Intel Core i5-8250U
1140 Points +19%
Acer Spin 5 SP513-52N-54SF
Intel UHD Graphics 620, Intel Core i5-8250U
1049 Points +10%
Lenovo Ideapad 720S-13IKB
Intel UHD Graphics 620, Intel Core i5-8250U
954 Points
3DMark 11 Performance
1683 poäng
3DMark Cloud Gate Standard Score
7319 poäng
3DMark Fire Strike Score
893 poäng
Hjälp
Rise of the Tomb Raider
1366x768 Medium Preset AF:2x
Dell XPS 13 9370 i5 UHD
UHD Graphics 620, i5-8250U, Toshiba XG5 KXG50ZNV256G
13.8 fps +24%
Lenovo Ideapad 720S-13IKB
UHD Graphics 620, i5-8250U, Samsung PM961 MZVLW256HEHP
11.1 fps
1024x768 Lowest Preset
Dell XPS 13 9370 i5 UHD
UHD Graphics 620, i5-8250U, Toshiba XG5 KXG50ZNV256G
24.6 fps +26%
Dell Inspiron 13 7370
UHD Graphics 620, i5-8250U, Micron 1100 MTFDDAV256TBN
21.1 fps +8%
Lenovo Ideapad 720S-13IKB
UHD Graphics 620, i5-8250U, Samsung PM961 MZVLW256HEHP
19.5 fps
BioShock Infinite
1920x1080 Ultra Preset, DX11 (DDOF)
SCHENKER Slim 14 L17
UHD Graphics 620, i5-8250U, Samsung SSD 960 Pro 512 GB m.2
10.15 fps +34%
Dell XPS 13 9370 i5 UHD
UHD Graphics 620, i5-8250U, Toshiba XG5 KXG50ZNV256G
10.1 fps +33%
Acer Spin 5 SP513-52N-54SF
UHD Graphics 620, i5-8250U, Micron 1100 MTFDDAV256TBN
8 fps +5%
Lenovo Ideapad 720S-13IKB
UHD Graphics 620, i5-8250U, Samsung PM961 MZVLW256HEHP
7.6 fps
1366x768 High Preset
Dell XPS 13 9370 i5 UHD
UHD Graphics 620, i5-8250U, Toshiba XG5 KXG50ZNV256G
29.9 fps +32%
SCHENKER Slim 14 L17
UHD Graphics 620, i5-8250U, Samsung SSD 960 Pro 512 GB m.2
29.54 fps +31%
Acer Spin 5 SP513-52N-54SF
UHD Graphics 620, i5-8250U, Micron 1100 MTFDDAV256TBN
24.6 fps +9%
Lenovo Ideapad 720S-13IKB
UHD Graphics 620, i5-8250U, Samsung PM961 MZVLW256HEHP
22.6 fps
1366x768 Medium Preset
Dell XPS 13 9370 i5 UHD
UHD Graphics 620, i5-8250U, Toshiba XG5 KXG50ZNV256G
34.5 fps +25%
SCHENKER Slim 14 L17
UHD Graphics 620, i5-8250U, Samsung SSD 960 Pro 512 GB m.2
34.46 fps +25%
Acer Spin 5 SP513-52N-54SF
UHD Graphics 620, i5-8250U, Micron 1100 MTFDDAV256TBN
29.9 fps +8%
Lenovo Ideapad 720S-13IKB
UHD Graphics 620, i5-8250U, Samsung PM961 MZVLW256HEHP
27.6 fps
1280x720 Very Low Preset
Dell XPS 13 9370 i5 UHD
UHD Graphics 620, i5-8250U, Toshiba XG5 KXG50ZNV256G
70.9 fps +43%
SCHENKER Slim 14 L17
UHD Graphics 620, i5-8250U, Samsung SSD 960 Pro 512 GB m.2
65.5 fps +32%
Acer Spin 5 SP513-52N-54SF
UHD Graphics 620, i5-8250U, Micron 1100 MTFDDAV256TBN
56.1 fps +13%
Lenovo Ideapad 720S-13IKB
UHD Graphics 620, i5-8250U, Samsung PM961 MZVLW256HEHP
49.6 fps
Thief
1366x768 Normal Preset AA:FX
Lenovo Ideapad 720S-13IKB
UHD Graphics 620, i5-8250U, Samsung PM961 MZVLW256HEHP
11.3 fps
1024x768 Very Low Preset
Lenovo Ideapad 720S-13IKB
UHD Graphics 620, i5-8250U, Samsung PM961 MZVLW256HEHP
16.3 fps
lågmed.högultra
BioShock Infinite (2013) 49.6 27.6 22.6 7.6
Thief (2014) 16.3 11.3
Rise of the Tomb Raider (2016) 19.5 11.1

Ljudnivå

Låg belastning
30.13 / 30.13 / 30.9 dB(A)
Hög belastning
34.7 / 33.3 dB(A)
  red to green bar
 
 
30 dB
tyst
40 dB(A)
hörbar
50 dB(A)
högt ljud
 
min: dark, med: mid, max: light   Audix TM1, Arta (15 cm avstånd)   environment noise: 30.13 dB(A)
dB(A) 0102030405060708090Deep BassMiddle BassHigh BassLower RangeMidsHigher MidsLower HighsMid HighsUpper HighsSuper Highs205045.34647.544.2502545.84543.742.340.245.8313332.53332.431.6334032.833.133.130.731.532.85031.532.430.428.830.231.56330.533.733.231.930.530.58029.730.731.326.427.229.710033.432.73229.428.433.412528.127.127.426.425.428.116031.228.829.228.42731.220025.326.425.723.623.425.325027.926.126.225.424.127.931525.325.62522.822.525.340025.624.724.223.422.125.650024.524.223.521.92124.563023.323.2232119.923.380024.723.822.819.719.224.7100023.523.92219.518.923.5125022.122.520.918.71822.1160022.122.52118.117.122.1200022.323.32117.71722.3250022.122.921.517.616.722.1315021.52320.716.816.421.5400025.125.520.816.816.225.1500020.622.918.816.816.220.6630018.519.317.916.816.318.580001818.517.81716.3181000017.71817.617.116.417.7125001818.217.817.216.7181600018.118.217.917.517.118.1SPL34.735.133.330.930.134.7N2.32.321.51.42.3median 23.3median 23.3median 21.5median 18.7median 18median 23.3Delta2.42.63.23.12.72.4hearing rangehide median Fan NoiseLenovo Ideapad 720S-13IKB
Hög belastning
 34.2 °C43.6 °C38.5 °C 
 32.4 °C42.8 °C34 °C 
 29.4 °C28.7 °C29.6 °C 
Max: 43.6 °C
Medel: 34.8 °C
36.6 °C42 °C34 °C
32 °C37.1 °C33.1 °C
29.8 °C30.6 °C30.7 °C
Max: 42 °C
Medel: 34 °C
Strömförsörjning (max.)  41.1 °C | Rumstemperatur 23.3 °C | FIRT 550-Pocket
(±) The average temperature for the upper side under maximal load is 34.8 °C / 95 F, compared to the average of 29.5 °C / 85 F for the devices in the class Office.
(±) The maximum temperature on the upper side is 43.6 °C / 110 F, compared to the average of 34.3 °C / 94 F, ranging from 21.2 to 62.5 °C for the class Office.
(±) The bottom heats up to a maximum of 42 °C / 108 F, compared to the average of 36.8 °C / 98 F
(+) In idle usage, the average temperature for the upper side is 27.3 °C / 81 F, compared to the device average of 29.5 °C / 85 F.
(+) The palmrests and touchpad are cooler than skin temperature with a maximum of 29.6 °C / 85.3 F and are therefore cool to the touch.
(±) The average temperature of the palmrest area of similar devices was 27.6 °C / 81.7 F (-2 °C / -3.6 F).
dB(A) 0102030405060708090Deep BassMiddle BassHigh BassLower RangeMidsHigher MidsLower HighsMid HighsUpper HighsSuper Highs2047.244.247.22540.340.240.33136.631.636.6403831.5385038.630.238.66338.830.538.88040.127.240.110041.728.441.712541.125.441.116044.82744.820050.223.450.225054.624.154.631559.122.559.140058.422.158.450059.52159.563059.519.959.58006619.266100061.718.961.7125055.61855.616005717.157200054.81754.8250053.516.753.5315050.516.450.5400047.316.247.3500046.116.246.1630047.616.347.6800049.116.349.11000049.616.449.6125004816.7481600050.517.150.5SPL69.330.169.3N24.21.424.2median 50.5median 18median 50.5Delta52.7535.335.132.931.831.83236.535.132.428.93328.936.328.848.32761.52752.924.860.92462.822.763.32269.521.267.82174.82075.919.472.718.97117.770.117.86917.671.817.668.117.671.417.673.717.670.417.571.617.671.617.669.617.459.717.583.630.662.51.5median 69.6median 17.84.72.4hearing rangehide median Pink NoiseLenovo Ideapad 720S-13IKBApple MacBook 12 (Early 2016) 1.1 GHz
Lenovo Ideapad 720S-13IKB audio analysis

(-) | not very loud speakers (66 dB)
Bass 100 - 315 Hz
(±) | reduced bass - on average 6.2% lower than median
(±) | linearity of bass is average (10.4% delta to prev. frequency)
Mids 400 - 2000 Hz
(±) | higher mids - on average 8.6% higher than median
(±) | linearity of mids is average (8.6% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 2.2% away from median
(+) | highs are linear (5.4% delta to prev. frequency)
Overall 100 - 16.000 Hz
(±) | linearity of overall sound is average (20.8% difference to median)
Compared to same class
» 44% of all tested devices in this class were better, 10% similar, 46% worse
» The best had a delta of 7%, average was 21%, worst was 53%
Compared to all devices tested
» 53% of all tested devices were better, 8% similar, 39% worse
» The best had a delta of 4%, average was 25%, worst was 134%

Apple MacBook 12 (Early 2016) 1.1 GHz audio analysis

(+) | speakers can play relatively loud (83.6 dB)
Bass 100 - 315 Hz
(±) | reduced bass - on average 11.3% lower than median
(±) | linearity of bass is average (14.2% delta to prev. frequency)
Mids 400 - 2000 Hz
(+) | balanced mids - only 2.4% away from median
(+) | mids are linear (5.5% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 2% away from median
(+) | highs are linear (4.5% delta to prev. frequency)
Overall 100 - 16.000 Hz
(+) | overall sound is linear (10.2% difference to median)
Compared to same class
» 6% of all tested devices in this class were better, 2% similar, 92% worse
» The best had a delta of 5%, average was 19%, worst was 53%
Compared to all devices tested
» 4% of all tested devices were better, 1% similar, 95% worse
» The best had a delta of 4%, average was 25%, worst was 134%

Strömförbrukning
Av/Standbydarklight 0.3 / 0.47 Watt
Låg belastningdarkmidlight 3.9 / 7.7 / 10.4 Watt
Hög belastning midlight 33.3 / 34 Watt
 color bar
Förklaring: min: dark, med: mid, max: light        Metrahit Energy
Lenovo Ideapad 720S-13IKB
i5-8250U, UHD Graphics 620, Samsung PM961 MZVLW256HEHP, IPS, 1920x1080, 13.3"
Dell XPS 13 9370 i5 UHD
i5-8250U, UHD Graphics 620, Toshiba XG5 KXG50ZNV256G, IPS, 3840x2160, 13.3"
Acer Spin 5 SP513-52N-54SF
i5-8250U, UHD Graphics 620, Micron 1100 MTFDDAV256TBN, IPS, 1920x1080, 13.3"
Dell Inspiron 13 7370
i5-8250U, UHD Graphics 620, Micron 1100 MTFDDAV256TBN, IPS, 1920x1080, 13.3"
SCHENKER Slim 14 L17
i5-8250U, UHD Graphics 620, Samsung SSD 960 Pro 512 GB m.2, IPS, 1920x1080, 14"
Power Consumption
-16%
7%
4%
-18%
Idle Minimum *
3.9
4.3
-10%
3.9
-0%
3.6
8%
6
-54%
Idle Average *
7.7
8
-4%
8.2
-6%
6.8
12%
8.46
-10%
Idle Maximum *
10.4
8.1
22%
8.8
15%
8.9
14%
9.48
9%
Load Average *
33.3
46.6
-40%
28.5
14%
36
-8%
37.4
-12%
Load Maximum *
34
49.8
-46%
30.7
10%
36.5
-7%
41.1
-21%

* ... smaller is better

Batteritid
Låg belastning (utan WLAN, min. ljusstyrka)
17tim 15min
WiFi Websurfing
10tim 08min
Hög belastning (maximal ljusstyrka)
1tim 31min
Lenovo Ideapad 720S-13IKB
i5-8250U, UHD Graphics 620, 46 Wh
Dell XPS 13 9370 i5 UHD
i5-8250U, UHD Graphics 620, 52 Wh
Acer Spin 5 SP513-52N-54SF
i5-8250U, UHD Graphics 620, 53.9 Wh
Dell Inspiron 13 7370
i5-8250U, UHD Graphics 620, 38 Wh
SCHENKER Slim 14 L17
i5-8250U, UHD Graphics 620, 44 Wh
Battery Runtime
-11%
-18%
-27%
-50%
Reader / Idle
1035
869
-16%
772
-25%
WiFi v1.3
608
408
-33%
500
-18%
345
-43%
304
-50%
Load
91
106
16%
78
-14%

För

+ väldigt lätt
+ väldigt tunn
+ bra kylsystem
+ lång batteritid
+ nästan infattningsfri skärm

Emot

- få anslutningar
- knappt några servicemöjligheter
- bara enkel-kanals RAM finns tillgängligt
The Lenovo IdeaPad 720S-13IKB was provided by campuspoint.
The Lenovo IdeaPad 720S-13IKB was provided by campuspoint.

Läs den fullständiga versionen av den här recensionen på engelska här.

Ideapad 720s från Lenovo är en väldigt lätt och ultratunn laptop för vardagligt kontorsarbete. Som en av få enheter i vårt test så kunde Ideapad 720s upprätthålla sin prestanda konsekvent utan tapp. Även under extrema förhållanden så försäkrar den bra kylningen att systemet fortfarande kan användas. Men servicemöjligheterna är begränsade och Lenovo fokuserade också på bara dom mest nödvändiga anslutningarna. Men tack vare Thunderbolt-anslutningarna så kan alla nödvändiga portar tillhandahållas av motsvarande tillbehör.

Med Lenovo Ideapad 720s får köparen en väldigt tunn och lätt laptop, som alltid kommer finnas där men aldrig kommer vara i vägen i vardagen.

Om man ser till aktuella erbjudanden så kan Ideapad 720s köpas med en Kaby Lake CPU från 8:e generationen utan att man behöver tveka. Men köpare får följa sina egna preferenser i frågan om huruvida modellerna med AMD:s Ryzen 5 2500U eller Kaby Lake-processorer från 7:e generationen är värda i fråga om pris.

Lenovo Ideapad 720S-13IKB - 02/06/2018 v6 (old)
Mike Wobker

Design
87 / 98 → 89%
Tangentbord
80%
Mus
87%
Anslutningar
40 / 80 → 50%
Vikt
74 / 20-67 → 100%
Batteri
93%
Skärm
87%
Spelprestanda
57 / 68 → 83%
Programprestanda
90 / 92 → 98%
Temperatur
91%
Ljudnivå
93%
Audio
50%
Camera
56 / 85 → 66%
Medel
76%
85%
Office - Vägt medel

Price comparison

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> Bärbara datorer, laptops - tester och nyheter > Tester > Test: Lenovo Ideapad 720S-13IKB (i5-8250U, UHD 620) Laptop (Sammanfattning)
Mike Wobker, 2018-02- 9 (Update: 2018-02- 9)