Based on our overall comparison score, LG C5 OLED 65 rates higher at 80/100 versus 74/100 for LG B4 OLED 55 — a 6-point lead. LG C5 OLED 65 is the stronger overall pick, though the right choice still depends on which specs matter most to you; the full spec table above breaks down every difference.
LG C5 OLED 65 vs LG B4 OLED 55
Updated Sep 2026 · Scored by the Let’s Compare Data Engine · How we score
For most buyers the LG C5 OLED 65 is the better pick — it scores 68/100 to the LG B4 OLED 55's 61, leading on Picture Quality and Gaming. Choose the LG B4 OLED 55 instead if you want to spend less.
Verdict
Our overall take, at a glance
Key takeaways
- LG C5 OLED 65 leads LG B4 OLED 55 overall by 7 points (68 vs 61 out of 100).
- LG C5 OLED 65 stands out on Audio Output Power: 40 W (100% more), Picture Quality Peak Brightness (HDR): 1,200 nits (85% more), Gaming Refresh Rate (VRR Max): 144 Hz (20% more).
- Best value: LG B4 OLED 55 (from $1,399) — the strongest score-per-dollar of the two.
LG C5 OLED 65 leads overall
LG C5 OLED 65
68
LG B4 OLED 55
61
Why it stands out
- Audio Output Power: 40 W (100% more)
- Picture Quality Peak Brightness (HDR): 1,200 nits (85% more)
- Gaming Refresh Rate (VRR Max): 144 Hz (20% more)
In-depth analysisAI
AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Sep 2026.
LG C5 OLED 65
The LG C5 OLED 65 is a mid-range 4K OLED television built for home cinema enthusiasts and high-end gamers seeking high contrast and improved luminance. Powered by the Alpha 9 Gen 8 AI processor, this model features an upgraded panel with Brightness Booster technology to achieve higher peak brightness than its predecessors. It also integrates four HDMI 2.1 ports and runs on the webOS 25 smart interface, which introduces customizable user profiles.
Best for Next-generation gaming at high refresh rates up to 144HzBest for Media consumption in moderately lit rooms where older OLEDs struggled
Pros
- Upgraded brightness levels compared to previous C-series generations
- Excellent gaming capabilities with 144Hz support, G-Sync, and FreeSync
- Four full-bandwidth HDMI 2.1 ports for connecting multiple high-end devices
- Infinite contrast ratio and perfect black levels inherent to OLED technology
Cons
- Smaller sizes of this model line (42 and 48 inches) do not achieve the same peak brightness boosts as the 65-inch version
LG B4 OLED 55
The LG B4 OLED TV is described as an affordable premium model with various sizes available in 48, 55, 65, 77, and 83 inches. It features a super thin design, virtually non-existent bezels, and a broad range of connectivity options. The model offers high-quality picture capabilities suitable for multiple viewing environments.
Best for large group settingBest for gamingBest for movie viewing
Pros
- Features super wide viewing angles, making it good for large group settings.
- Includes a 120Hz refresh rate and OLED motion capability, providing smooth video play.
- Equipped with four HDMI 2.1 ports, allowing connection of multiple high-refresh-rate devices.
- Offers various connectivity options, including Wi-Fi 5, Bluetooth, Ethernet, and optical audio.
- Features LG's WebOS 24 operating system with the Alpha 8 AI processor for smooth use.
Cons
- The side inputs may require special consideration when choosing a thin profile wall mount.
- Audio performance is limited by the necessity of connecting an external soundbar.
Value for Money
Which is the better deal for the price
Pre-filled with launch prices where known — enter today's price for an up-to-date check. Use the same currency for both.
LG C5 OLED 65
LG B4 OLED 55
Physical Comparison
Weigh them up, then compare real dimensions in 3D
LG C5 OLED 65LG B4 OLED 55
LG C5 OLED 65 is 2.3 kg (16%) heavier than LG B4 OLED 55.
Review Videos
Hand-picked expert reviews for each product
Detailed Specifications
The full spec sheet, side by side
Frequently Asked Questions
Common questions about LG C5 OLED 65 vs LG B4 OLED 55 comparison
LG C5 OLED 65 and LG B4 OLED 55 are compared side by side above across every spec in the tvs category — including performance, features and design — each scored 0–100 so you can see exactly where one leads the other. Our overall scores are 80/100 for LG C5 OLED 65 and 74/100 for LG B4 OLED 55.
At launch, LG B4 OLED 55 was the more affordable option ($1399) versus LG C5 OLED 65 ($2699). Weigh that against the overall scores (80/100 vs 74/100) and the value-for-money meter above to judge whether the higher-rated model justifies its price for your needs. Current retail prices vary — check the retailer.
If you want the higher-rated tvs option overall, LG C5 OLED 65 (80/100) edges out LG B4 OLED 55 (74/100). But if LG B4 OLED 55 is cheaper or stronger on the specific specs you care about, it can still be the better buy — use the spec table and strengths profile above to decide.
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