Cubot X20 Pro Review

26 November 2019, 16:01:01

Cubot X20 Pro Review
You can buy an Cubot X20 Pro at a promotional price from GearBest.

Display

The Cubot X20 Pro is equipped with a huge 6.3-inch display with a resolution of 1080 x 2340 pixels. The in-cell IPS panel offers a maximum brightness of 450 cd/m2, 1300:1 static contrast ratio and supports 90% of the NTSC colour space. Below you will find our measurements of the white and black luminance, static contrast ratio and colour temperature of the display. The measurements are taken in two different ways. The Single Frame ones list the white and black luminance of a screen that shows 50% white and 50% black. The Separate Frames measurements list the white and black luminance of a fully white and fully black screen.

A single frame, 50% white / 50% black

Brightness White luminance Black luminance Contrast Color temperature
100 % 472.144 cd/m2 0.362 cd/m2 1304 : 1 9260 K
0 % 17.525 cd/m2 0.013 cd/m2 1348 8984 K

Two separate black and white frames

Brightness White luminance Black luminance Contrast Color temperature
100 % 504.283 cd/m2 0.377 cd/m2 1338 : 1 9547 K
0 % 18.404 cd/m2 0.014 cd/m2 1315 9359 K
Unlike all the latest displays on smartphones, the one on the Cubot X20 Pro showed very similar results for brightness, contrast and colour temperature no matter the type of measurement. When measures with the two separate frames, it has a slightly higher than specified peak brightness - 504 cd/m2 and the single frame measurement shows 472 cd/m2. As the black luminance is almost one and the same as per both types of measurements, the static contrast ratio does not very much and is around what's been officially specified - 1300:1. The temperature of the white point is high, despite the type of measurement - from 9000 K to 9500 K.
Maximum brightness (100% APL)
Vernee Mix 2
512.36 cd/m2
UMIDIGI One Max
511.108 cd/m2
Doogee S70
509.314 cd/m2
Xiaomi Mi Max 2
508.652 cd/m2
Cubot Power
508.083 cd/m2
Xiaomi Mi MIX
507.669 cd/m2
Xiaomi Redmi Note 7
506.006 cd/m2
Cubot X20 Pro
504.283 cd/m2
UMIDIGI S3 Pro
503.914 cd/m2
Oukitel K3
502.322 cd/m2
Oukitel K10000
501.5 cd/m2
LeEco Le Pro 3 Elite
500.034 cd/m2
Xiaomi Redmi Note 8 Pro
499.596 cd/m2
Oukitel WP5000
496.99 cd/m2
Xiaomi Mi Max SD650
492.415 cd/m2
The CIE diagram confirms that the display covers more than 100% of the sRGB colour space - that's 90% NTSC as specified by the manufacturer. The display panel has a traditional vertical striped RGB subpixel arrangement.

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