LG C4 OLED 55" wins — The LG C4 OLED 55" excels in dark-room contrast and color accuracy with perfect blacks measured at 0 nits (per RTINGS), …
Scores: Samsung QN90D 65" 8.2/10 · LG C4 OLED 55" 8.7/10
The LG C4 OLED 55" excels in dark-room contrast and color accuracy with perfect blacks measured at 0 nits (per RTINGS), beating the Samsung QN90D's 2000 nits peak in cinematic viewing. The Samsung QN90D 65" counters with superior brightness for daytime sports and news, showing 40% less reflection in lab tests. Size difference favors Samsung for larger spaces but LG wins overall picture fidelity.
| Samsung QN90D 65" | LG C4 OLED 55" | |
|---|---|---|
| Screen Size | 65 inches | 55 inches |
| Panel Type | Mini-LED | OLED |
| Peak Brightness | 2000 nits | 1000 nits |
| Refresh Rate | 144 Hz | 144 Hz |
Our pick: LG C4 OLED 55". It edges out the alternative on perfect black levels and infinite contrast (per rtings). That said, Samsung QN90D 65" still wins on 2000 nits peak brightness (per rtings) — consider it if that single trade matters most for your use.