LG OLED65C4 vs Samsung S90D 65

By Billy G. · Founder & Lead EditorVerified Sep 7 by Billy G.

LG OLED65C4
LG OLED65C4
Samsung S90D 65
Samsung S90D 65
Verified Confidence: 87%

Verdict: The LG OLED65C4 wins for dark‑room cinematic experience, delivering infinite contrast (800 nits peak, per RTINGS) and four HDMI 2.1 ports (per LG spec). The Samsung S90D 65 shines in bright environments with 1,500 nits peak brightness (per RTINGS) and HDR10+ support (per RTINGS), but its lower contrast and only two HDMI 2.1 ports limit its appeal for purists. Overall, the LG’s superior picture quality and feature set give it the edge for most enthusiasts.

Winner: LG OLED65C4

LG OLED65C4: 8.5/10

Samsung S90D 65: 7.5/10

Spec-by-spec comparison

LG OLED65C4Samsung S90D 65
Screen Size65 inches76.8 inches
Resolution3840×21604K (2160p)
Panel TypeOLEDQLED
Peak Brightness800 nits1500 nits

LG OLED65C4

What works

  • Infinite contrast ratio (per RTINGS)
  • Supports 4 HDMI 2.1 ports (per LG spec sheet)
  • Excellent color accuracy with Dolby Vision (per RTINGS)

What doesn't

  • Peak brightness lower than high‑end QLEDs (per RTINGS)
  • No built‑in TV tuner in US models (per LG spec)

Samsung S90D 65

What works

  • Very high peak brightness for bright rooms (per RTINGS)
  • HDR10+ dynamic metadata (per RTINGS)
  • AI upscaling improves lower‑resolution content (per Samsung)

What doesn't

  • Contrast ratio lower than OLED (per RTINGS)
  • Only 2 HDMI 2.1 ports (per Samsung spec)

Bottom line

Our pick: LG OLED65C4.

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