LG B4 55" vs LG C5 OLED 65"
The Verdict
The LG B4 55" and LG C5 OLED 65" sit in the same category and end up appealing to slightly different buyers. The LG B4 55" is the cheaper of the two at $1,199 versus $1,400, a difference of about $201. The LG C5 OLED 65" is the newer release, which usually means a faster chipset and longer software support. LG B4 55" stands out for lowest-cost entry into lg's oled lineup with the same perfect blacks, while LG C5 OLED 65" is praised for 4k oled with perfect blacks. Use the side-by-side spec table below to compare cameras, displays, battery life and connectivity in detail and decide which one fits your priorities.
Who Should Buy
Buy the LG B4 55" if…
- →Lowest-cost entry into LG's OLED lineup with the same perfect blacks
- →All four HDMI ports with VRR and ALLM at 4K@120Hz for gaming
- →Dolby Vision and Dolby Atmos at an entry OLED price
Buy the LG C5 OLED 65" if…
- →4K OLED with perfect blacks
- →144Hz with NVIDIA G-Sync and AMD FreeSync Premium
- →0.1ms response time for gaming
Pros & Cons
LG B4 55"
Pros
- Lowest-cost entry into LG's OLED lineup with the same perfect blacks
- All four HDMI ports with VRR and ALLM at 4K@120Hz for gaming
- Dolby Vision and Dolby Atmos at an entry OLED price
- webOS 24 is one of the best smart TV interfaces available
Cons
- Only two HDMI 2.1 ports — the other two are HDMI 2.0 (limited to 4K@60Hz)
- α8 processor is noticeably weaker than the C4's α9 for upscaling and processing
- Lower peak brightness than the C4 or G4 — HDR highlights lack some punch
- No Wi-Fi 6, which limits wireless bandwidth in crowded network environments
- OLED burn-in risk remains a concern for heavy static-content users
LG C5 OLED 65"
Pros
- 4K OLED with perfect blacks
- 144Hz with NVIDIA G-Sync and AMD FreeSync Premium
- 0.1ms response time for gaming
- Dolby Vision and Dolby Atmos
- 4x HDMI 2.1 ports
Cons
- $1400 is still premium for 65 inches
- Risk of burn-in with static content
- 40W speakers may need a soundbar
Full Specifications
| Spec | LG B4 55" | LG C5 OLED 65" |
|---|---|---|
| Body | ||
| VESA mount | 200 x 200mm | 300 x 300 |
| Weight | 41.9 lbs | 18.9 kg |
| Dimensions (w/ stand) | 48.4 x 32.1 x 10.5 inches | — |
| Audio | ||
| Output (watts) | 40 | 40 |
| Speakers | 2.0ch | — |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 1 | 9 |
| Display | ||
| HDR | Dolby Vision IQ, HDR10, HLG, Filmmaker Mode | Dolby Vision, HDR10, HLG |
| Size | 55" | 65 inches |
| Type | OLED | OLED evo |
| Resolution | 3840 x 2160 (4K UHD) | 3840 x 2160 |
| Refresh rate | 120Hz | 144Hz |
| Brightness (nits) | 1100 | — |
| Smart TV | ||
| Os | webOS 24 | webOS 25 |
| Voice assistant | ThinQ AI, Alexa, Google Assistant | ThinQ AI, Alexa, Google Assistant |
| Processor | ||
| Chipset | α8 Gen 7 AI Processor 4K | α9 AI Gen8 |
| Connectivity | ||
| Wi-Fi | Wi-Fi 5 (802.11ac) | Wi-Fi 6E |
| Ethernet | ||
| Bluetooth | 5.0 | 5.1 |
| USB ports | 3 | 3 |
| HDMI ports | 4 | 4 |
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This comparison is based on verified manufacturer specifications covering display, performance, camera, battery, and build quality. Scores are generated by analyzing specs across weighted categories on a 10-point scale. Learn more about our methodology.
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