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Lenovo ThinkPad X1 Extreme 4K vs. FHD

The ThinkPad X1 Extreme with the matte 1080p screen.
The ThinkPad X1 Extreme with the matte 1080p screen.
We already reviewed Lenovo's new ThinkPad X1 Extreme with the optional 4K HDR screen. It is a good screen, but there are some drawbacks as well, so we were eager to find out how the standard 1080p display of the entry-level SKU performs. We already have a test unit and want to compare the basic measurements of the two models ahead of the complete review.
Andreas Osthoff 👁,
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Lenovo has not really covered itself with glory in the past when it comes to displays. The current 4K screens of the two ThinkPad model X1 Carbon as well as the brand-new X1 Extreme on the other hand are good, but our reviews showed the have issues as well. Besides the higher price, you have to live with the glossy panel surface, slow response times, and the high consumption figures that affect the battery runtime.

We already got multiple customer requests about the standard 1080p panel with a matte surface. We want to compare the basic measurement results of the two screens ahead of the full review of the entry-level ThinkPad X1 Extreme.

Let's start with the bad new, because Lenovo uses two different FHD panels. Our test unit is equipped with a BOE screen, but you might get a model from Innolux as well. We already know this panel lottery and there is no way to find out which panel is used ahead of the purchase.

Lenovo ThinkPad X1 Extreme-20MF000RGE
NV156FHM-N61, 1920x1080
Lenovo ThinkPad X1 Extreme-20MF000XGE
B156ZAN03.2, 3840x2160
Dell XPS 15 9570 i7 UHD
LQ156D1, 3840x2160
Dell XPS 15 2018 i5 FHD 97Wh
Sharp SHP149A LQ156M1, 1920x1080
Display
31%
16%
3%
Display P3 Coverage
68.57
86.34
26%
79.13
15%
65.98
-4%
sRGB Coverage
88.65
100
13%
98.8
11%
96.53
9%
AdobeRGB 1998 Coverage
64.82
99.42
53%
79.21
22%
66.68
3%
Response Times
-3%
-24%
-24%
Response Time Grey 50% / Grey 80% *
52.8 (27.6, 25.2)
61.6 (30.8, 30.8)
-17%
46.4 (22.8, 23.6)
12%
49 (25, 40)
7%
Response Time Black / White *
36 (19.6, 16.4)
32 (15.6, 16.4)
11%
32 (18, 14)
11%
30 (16, 14)
17%
PWM Frequency
21370 (99)
980.4 (25)
-95%
961 (10)
-96%
Screen
21%
9%
22%
Brightness middle
331
396
20%
494
49%
413
25%
Brightness
305
380
25%
457
50%
378
24%
Brightness Distribution
84
90
7%
88
5%
86
2%
Black Level *
0.24
0.28
-17%
0.34
-42%
0.29
-21%
Contrast
1379
1414
3%
1453
5%
1424
3%
Colorchecker DeltaE2000 *
5.6
4
29%
5.2
7%
2.44
56%
Colorchecker DeltaE2000 max. *
9.9
7.6
23%
17.5
-77%
4.46
55%
Colorchecker DeltaE2000 calibrated *
3
0.9
70%
2.48
17%
Greyscale DeltaE2000 *
6.3
6.1
3%
2.7
57%
2.48
61%
Gamma
2.33 94%
2.25 98%
2.1 105%
2.43 91%
CCT
7152 91%
7786 83%
7038 92%
7006 93%
Color Space (Percent of AdobeRGB 1998)
58
88.5
53%
71.2
23%
62
7%
Color Space (Percent of sRGB)
88.6
100
13%
98.8
12%
96
8%
Total Average (Program / Settings)
16% / 20%
0% / 4%
0% / 10%

* ... smaller is better

ThinkPad X1 Extreme 4K vs. 1080p in the sun
ThinkPad X1 Extreme 4K vs. 1080p in the sun

Lenovo advertises a luminance of 300 nits for the FHD panel and our test unit just manages this number. The subjective picture impression is decent, but we would have preferred a brighter background illumination, especially for outdoor scenarios. Dell's XPS 15 with the 1080p screen (also matte) performs better in this respect. The response times are once again pretty slow.

We will analyze the 1080p screen as well as the effect on the chassis, the power consumption, and the battery runtime comprehensively in our full review of the ThinkPad X1 Extreme in a couple of days.

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Andreas Osthoff
Andreas Osthoff - Managing Editor Business Laptops - 1282 articles published on Notebookcheck since 2013
I grew up with modern consumer electronics and my first computer was a Commodore C64, which encouraged my interest in building my own systems. I started working as a review editor for Notebookcheck during my dual studies at Siemens. Currently, I am mainly responsible for dealing with business laptops and mobile workstations. It’s a great experience to be able to review the latest devices and technologies and then compare them with each other.
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> Notebook / Laptop Reviews and News > News > News Archive > Newsarchive 2018 10 > Lenovo ThinkPad X1 Extreme 4K vs. FHD
Andreas Osthoff, 2018-10-17 (Update: 2019-04-30)