Sony KD65X85K vs TCL 65" 6 Series R635

By Billy G. · Founder & Lead EditorVerified Oct 3 by Billy G.

Sony KD65X85K
Sony KD65X85K
TCL 65" 6 Series R635
TCL 65" 6 Series R635

Verdict: The TCL 65" 6 Series R635 outperforms the Sony KD65X85K in peak brightness (500 nits vs 450 nits per RTINGS) and offers more effective local dimming, delivering stronger HDR impact. Sony, however, provides superior color accuracy (93% Rec. 709 vs 90% on TCL per RTINGS) and lower input lag, which benefits competitive gaming. Overall, TCL’s higher value and HDR performance make it the better choice for most viewers.

Winner: TCL 65" 6 Series R635

Sony KD65X85K: 7.5/10

TCL 65" 6 Series R635: 8/10

Spec-by-spec comparison

Sony KD65X85KTCL 65" 6 Series R635
Resolution3840 × 21603840 × 2160
Panel TypeLEDQLED (Mini‑LED)
HDR SupportHDR10, Dolby VisionHDR10, Dolby Vision
Peak Brightness (nits)450500

Sony KD65X85K

What works

  • Accurate colors (93% Rec. 709 per RTINGS)
  • Low input lag (15 ms per RTINGS)
  • Smooth motion handling with X‑Motion Clarity

What doesn't

  • Limited full‑array local dimming zones
  • Only one HDMI 2.1 port

TCL 65" 6 Series R635

What works

  • Higher peak brightness for HDR (500 nits per RTINGS)
  • Effective full‑array local dimming improves contrast

What doesn't

  • Narrower viewing angles than IPS panels

Bottom line

Our pick: TCL 65" 6 Series R635.

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