LeEco X920 (DVT2) Review

29 May 2017, 19:24:29

LeEco X920 (DVT2) Review

Display

LeEco X920 is equipped with a 6.33-inch IPS display with a QHD resolution (1440 x 2560 pixels) and a pixel density of 538 ppi. It is made by Sharp. The two preceding models - LeTV One Max and LeTV Le Max Pro, have the same display panels, which also cover 90% of the NTSC colour space, so most probably this display has the same gamut coverage, though this is not officially confirmed. There is no information on whether the display has any type of protective glass. The bezels are very thin for a screen of that size. From the Display settings, you can choose from four pre-set colour modes and adjust the size and distribution of content on the screen. We have measured the brightness, contrast, temperature of the white point and colour coverage of the display for each of the colour modes. The panel has a traditional striped sub-pixel architecture. The viewing angles demonstrate a significant loss in brightness and contrast from the lateral view.

LeEco Colour Mode

This is the default colour mode of the model. According to the CIE diagram, which turned out to be almost completely identical for all four colour modes, the display does look like it covers 90% of the NTSC colour space. The peak white luminance (at 100% brightness) measures 487 cd/m2. This means that the display is quite bright, but not exactly comfortable for reading under direct sunlight. The black luminance values decrease proportionally with the white ones, hence, the static contrast ratio remains almost the same at the different brightness levels, namely 1330-1400:1. The temperature of the white point is within the pleasant range of 7400-7800 K. We couldn't help but notice that with the decrease of the brightness, the colour temperature dropped, too. In addition, the gamma curve seems well settled around 2-2.1.
Brightness White luminance Black luminance Contrast Color temperature
100 % 486.637 cd/m2 0.359 cd/m2 1356 7816 K
75 % 309.795 cd/m2 0.228 cd/m2 1359 7725 K
50 % 166.298 cd/m2 0.122 cd/m2 1363 7633 K
25 % 65.509 cd/m2 0.049 cd/m2 1337 7528 K
0 % 12.573 cd/m2 0.009 cd/m2 1397 7454 K

Natural Colour Mode

This is the second mode and in terms of absolute values, it does not differ a lot from the default one. The white luminance values are slightly lower, while the black ones are slightly higher at the higher brightness levels. Therefore the static contrast ratio is a bit lower, too, but still within the 1320-1370 range. The colour temperature is a bit higher, too, while refraining in the range from 7470 K to 7870 K. To 60% of brightness the gamma curve is within the 2.1 limit, but afterwards, it soars up to 2.75. Compared to the other modes, the colours look a bit more washed out and dull.
Brightness White luminance Black luminance Contrast Color temperature
100 % 484.194 cd/m2 0.365 cd/m2 1327 7872 K
75 % 307.133 cd/m2 0.230 cd/m2 1335 7746 K
50 % 163.864 cd/m2 0.124 cd/m2 1321 7621 K
25 % 64.550 cd/m2 0.049 cd/m2 1317 7512 K
0 % 12.360 cd/m2 0.009 cd/m2 1373 7471 K

Soft Colour Mode

The Soft colour mode offers the most changes. The white luminance values are even lower with the peak one measuring 461 cd/m2, while the black luminance values remain almost the same. The static contrast ratio drops more significantly to 1260-1300:1. The temperature of the white point is almost perfect and varies from 6780 K to 7140 K. It decreases with the decrease of the white luminance values. From 0% to 50% of white the gamma curve remains within the 2.1-2.2 limits, but after that drops significantly to 1.6.
Brightness White luminance Black luminance Contrast Color temperature
100 % 461.381 cd/m2 0.364 cd/m2 1268 7137 K
75 % 292.877 cd/m2 0.233 cd/m2 1257 7006 K
50 % 157.105 cd/m2 0.124 cd/m2 1267 6908 K
25 % 61.814 cd/m2 0.049 cd/m2 1262 6805 K
0 % 11.867 cd/m2 0.009 cd/m2 1319 6782 K

Vivid Colour Mode

The Vivid colour mode combines features from the previous ones. For starters, it is brighter than the soft one and its peak white luminance value of 481 cd/m2 brings it closer to the default and natural colour modes. The black luminance values are almost unchanged and the static contrast ratio is back to 1320-1380:1. The temperature of the white point varies from 7500 K to 7900 K and decreases with the drop in brightness. However, if you check the gamma curve it is almost the same as the one of the soft colour mode.
Brightness White luminance Black luminance Contrast Color temperature
100 % 481.611 cd/m2 0.364 cd/m2 1323 7868 K
75 % 307.143 cd/m2 0.231 cd/m2 1330 7753 K
50 % 164.227 cd/m2 0.124 cd/m2 1324 7637 K
25 % 65.130 cd/m2 0.049 cd/m2 1329 7574 K
0 % 12.431 cd/m2 0.009 cd/m2 1381 7517 K

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