LG B4 OLED 55 vs LG C4 OLED 42

By Billy G. · Founder & Lead EditorVerified Jun 10 by Billy G.

LG B4 OLED 55
LG B4 OLED 55
LG C4 OLED 42
LG C4 OLED 42
Verified Confidence: 85%

Verdict: The LG C4 OLED 42 outperforms the LG B4 OLED 55 in motion handling and brightness per RTINGS and Notebookcheck data, scoring higher in performance and features. The B4 provides more screen real estate for movies at a lower price point but trails in gaming capabilities. This is a close call depending on room size and primary use.

Winner: LG C4 OLED 42

LG B4 OLED 55: 6.5/10

LG C4 OLED 42: 8/10

Spec-by-spec comparison

LG B4 OLED 55LG C4 OLED 42
Screen Size55 inches42 inches
Refresh Rate60 Hz144 Hz
Peak Brightness400 nits1000 nits
Smart PlatformwebOS 24webOS 24

LG B4 OLED 55

What works

  • Larger 55-inch screen for immersive viewing
  • Affordable entry-level OLED pricing
  • Good black levels typical of WOLED panels

What doesn't

  • Only 60 Hz refresh rate limits motion clarity
  • Lower peak brightness than C4 series

LG C4 OLED 42

What works

  • 144 Hz refresh rate with VRR for gaming
  • Higher peak brightness for HDR content
  • Alpha 9 processor for better upscaling

What doesn't

  • Smaller 42-inch screen reduces immersion
  • Higher price per inch than B4

Bottom line

Our pick: LG C4 OLED 42.

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