General discussion

Samsung Q70 (2019) picture settings and HDR notes

https://www.cnet.com/products/samsung-qn65q70rafxza/

Review:
Samsung QN65Q70

Related products:
Samsung QN49Q70
Samsung QN55Q70
Samsung QN75Q70
Samsung QN82Q70

Calibration report using these settings: see reply below

TV software/firmware version tested: 1065

Picture settings notes: CNET is no longer publishing detailed while balance or color management system (CMS) settings. Instead, we'll give more general recommendations to get the best picture with more basic settings. Here they are for the Samsung QN65Q70.

Before calibration the Q70's most accurate picture setting was Movie and it was quite good, with a grayscale very close to D65 and gamma near 2.4. I adjusted the light output down to my target 40fL and used the 2.2 gamma preset to get it closest to my target gamma of 2.2, and afterward just a couple tweaks of the 2-point color temperature control were enough to get everything exceedingly accurate. I dialed in the CMS slightly but cyan, which was the least accurate, didn't respond well to my adjustments so I wasn't able to fix it. Regardless, the result was a very accurate TV.

Picture Mode: Movie
Picture Size settings: 16:9 Standard (Fit to Screen: Auto)

Expert settings:

Backlight: 18
Brightness: 0
Contrast: 45
Sharpness: 0
Color: 25
Tint (G/R): 0
Digital Clean View: Off
Auto Motion Plus Settings: Custom (Blur Red. 10, Judder Red. 0, LED Clear Motion Off)
Local Dimming: Standard
Contrast Enhancer: Off
HDR+ Mode: Off
Film Mode: Off [grayed out; when active Auto 1 is usually best]
Color Tone: Warm 2
White Balance: [No adjustments, see above]
Gamma: 2.2
RGB Only mode: Off
Color Space Settings: Auto

HDR Notes: As with SDR Samsung's Movie mode was most-accurate for HDR sources. As usual it was significantly more-accurate than Dynamic, the brightest mode, but still relatively bright at 767 nits. The Q70 measured worse than the Vizio M-Series Quantum at accurately following the EOTF, however, and its color measurements were also worse than the Vizio's, scoring just average for P3 gamut coverage (rare for a display with quantum dots) and color checker, and poor for Calman's new ColorMatch HDR error sequence. I did appreciate that, unlike Vizio, the Samsung automatically detected HDR sources and adjusted the input settings accordingly.

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