![]() The R648 outstripped it in color fidelity, too, using the Delta-E measurement (which specifies the difference between the transmitted color and what appears on the screen): 2.12 versus 2.85 (with lower numbers being better). 709 color gamut, which was just behind that of last year’s TCL 6-Series Roku TV 55R635 in Standard mode (99.86% versus 99.92) and more clearly ahead in Movie mode (99.79% versus 99.08%). In both Normal and Movie SDR modes, the R648 covered 99.8% or more of the Rec. What do these mean as far as what appears on the screen?įor testing TVs, we use two pattern generators (an AccuPel DVG-5000 for SDR and a SpectraCal VideoForge Pro for HDR), the X-Rite i1 Pro spectrophotometer and the SpectraCal C6 colorimeter for display measurements, and Portrait Displays’ Calman calibration software. TCL Roku TV 6-Series 8K (R648): Test resultsĪmong the offerings TCL highlights on the Roku TV 6-Series 8K line are the mini-LED backlighting and Contrast Control Zones for upping the contrast across the whole picture, in addition to the quantum dot (aka QLED) technology we’ve seen on previous models from TCL and Samsung. ![]() At least the port supporting eARC and ARC is marked as such.Īs HDMI 2.1 becomes more prevalent in the industry, hopefully TCL will follow the lead of companies such as LG, which on its recent models has equipped all its HDMI ports with the newer, more powerful standard. Because the ports are not labeled, figuring out which uses which standard requires some trial and error. Only two of the HDMI ports support the HDMI 2.1 standard, which allows for next-generation technologies like 120 Hz refresh rates at 4K resolution, Variable Refresh Rate and Auto Low Latency Mode (ALLM), for automatically switching over to gaming settings when you activate your console.
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