LG B4 OLED 55 vs LG C4 OLED 55

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

LG B4 OLED 55
LG B4 OLED 55
LG C4 OLED 55
LG C4 OLED 55
Verified Confidence: 86%

Verdict: The LG C4 OLED 55 outperforms the B4 on brightness (up to 300 nits higher in HDR per RTINGS) and gaming features while sharing the same 55-inch OLED panel. The B4 remains a strong value pick for non-gamers focused on movies in controlled lighting. C4 wins overall for most buyers seeking future-proofing in the 2024 OLED lineup.

Winner: LG C4 OLED 55

LG B4 OLED 55: 7/10

LG C4 OLED 55: 8.5/10

Spec-by-spec comparison

LG B4 OLED 55LG C4 OLED 55
Screen Size55 inches55 inches
Panel TypeOLEDOLED
Processorα8 AI Processorα9 AI Processor Gen7
Refresh Rate120Hz144Hz

LG B4 OLED 55

What works

  • Entry-level OLED pricing for 55-inch size
  • True blacks with infinite contrast
  • WebOS smart platform with Magic Remote

What doesn't

  • Lower peak brightness than C4 series
  • Fewer HDMI 2.1 ports

LG C4 OLED 55

What works

  • Higher peak brightness for HDR content
  • 144Hz refresh rate with better gaming features
  • Improved heat dissipation for sustained performance

What doesn't

  • Higher price than B4 at similar screen size
  • Still limited to four HDMI ports total

Bottom line

Our pick: LG C4 OLED 55.

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