LG C4 OLED 55 vs Samsung S90D OLED 55

By Billy G. · Founder & Lead EditorVerified Jun 26 by Billy G.

LG C4 OLED 55
LG C4 OLED 55
Samsung S90D OLED 55
Samsung S90D OLED 55
Verified Confidence: 86%

Verdict: Samsung S90D OLED 55 wins on color volume and brightness (up to 30% higher peak nits per RTINGS), making it better for mixed lighting. LG C4 OLED 55 counters with a more polished smart platform and often lower price. Both deliver excellent 4K OLED performance but trail 2025 models like the LG C5 and Samsung S95F.

Winner: Samsung S90D OLED 55

LG C4 OLED 55: 8/10

Samsung S90D OLED 55: 9/10

Spec-by-spec comparison

LG C4 OLED 55Samsung S90D OLED 55
Screen Size55 inches55 inches
Resolution4K UHD4K UHD
Refresh Rate120Hz144Hz
Panel TypeWOLEDQD-OLED

LG C4 OLED 55

What works

  • Perfect blacks with infinite contrast
  • webOS interface with Magic Remote
  • Strong gaming features including 4K@120Hz and VRR

What doesn't

  • Lower peak brightness than QD-OLED rivals
  • Risk of burn-in over long-term static use

Samsung S90D OLED 55

What works

  • Superior color volume and vibrancy from QD-OLED
  • Higher peak brightness for HDR
  • 144Hz refresh rate with excellent gaming support

What doesn't

  • Slight text fringing on desktop use
  • Tizen OS less customizable than webOS

Bottom line

Our pick: Samsung S90D OLED 55.

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