LG OLED A2 55" vs LG OLED B3 65"
The Verdict
Both TVs showcase LG's OLED excellence, but serve different needs. Picture quality favors the B3, offering 600 nits brightness versus the A2's 500 nits, plus a superior 120Hz refresh rate for smoother motion. Gaming enthusiasts will prefer the B3's variable refresh rate support and 7ms input lag versus the A2's 14ms. However, the A2's 55-inch form factor at $899 delivers exceptional value for typical living rooms, with full 4K OLED contrast, Dolby Vision, and webOS 22 functionality. Sound and smart features remain virtually identical between models. The 65-inch B3 justifies its premium through enhanced brightness, faster refresh capabilities, and webOS 23. Choose the A2 for budget-conscious buyers prioritizing picture quality in intimate spaces; select the B3 if you demand flagship performance, gaming-first features, and larger screen presence. For most consumers, the A2 offers superior value proposition.
Who Should Buy
Buy the LG OLED A2 55" if…
- →Budget OLED — perfect blacks and infinite contrast at $899
- →Dolby Vision and Dolby Atmos for immersive movie watching
- →Wide viewing angles inherent to OLED technology
Buy the LG OLED B3 65" if…
- →Most affordable 65-inch LG OLED at $1,299 — great entry into OLED
- →Perfect blacks and infinite contrast inherent to OLED technology
- →Dolby Vision and Dolby Atmos for cinema-quality HDR experience
Category Scores
Pros & Cons
LG OLED A2 55"
Pros
- Budget OLED — perfect blacks and infinite contrast at $899
- Dolby Vision and Dolby Atmos for immersive movie watching
- Wide viewing angles inherent to OLED technology
- Thin and lightweight for easy wall mounting
- Self-lit pixels produce gorgeous picture quality for the price
Cons
- 60Hz panel — no 120Hz, VRR, or HDMI 2.1 for gaming
- Only 500 nits peak brightness — dim in well-lit rooms
- 20W speakers require a soundbar for decent audio
- Only 3 HDMI ports, all HDMI 2.0
- Older α7 Gen5 processor with basic upscaling
LG OLED B3 65"
Pros
- Most affordable 65-inch LG OLED at $1,299 — great entry into OLED
- Perfect blacks and infinite contrast inherent to OLED technology
- Dolby Vision and Dolby Atmos for cinema-quality HDR experience
- 4x HDMI 2.1 ports with 4K@120Hz for gaming
- Wide viewing angles with no color shift
Cons
- Older α7 Gen6 processor — less effective upscaling than C3's α9
- 600 nits peak brightness is dim — struggles in bright rooms
- 20W speakers are weak — a soundbar is essential
- Wi-Fi 5 instead of Wi-Fi 6 on a 2023 model
Full Specifications
| Spec | LG OLED A2 55" | LG OLED B3 65" |
|---|---|---|
| Body | ||
| VESA mount | 300 x 200mm | 300 x 200mm |
| Weight | 29.1 lbs | 41.7 lbs |
| Dimensions | 48.4 x 28.0 x 1.8 inches | 57.0 x 32.8 x 1.8 inches |
| Dimensions (w/ stand) | 48.4 x 30.0 x 9.4 inches | 57.0 x 35.5 x 11.8 inches |
| Audio | ||
| Output (watts) | 20 | 20 |
| Speakers | 2.0ch | 2.0ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 14 | 7 |
| Display | ||
| HDR | Dolby Vision, HDR10, HLG | Dolby Vision, HDR10, HLG |
| Size | 55" | 65" |
| Type | OLED (WOLED) | OLED (WOLED) |
| Resolution | 3840 x 2160 (4K) | 3840 x 2160 (4K) |
| Refresh rate | 60Hz | 120Hz |
| Brightness (nits) | 500 | 600 |
| Smart TV | ||
| Os | webOS 22 | webOS 23 |
| Voice assistant | LG ThinQ AI, Alexa, Google Assistant | LG ThinQ AI, Alexa, Google Assistant |
| Connectivity | ||
| Wi-Fi | Wi-Fi 5 | Wi-Fi 5 |
| Ethernet | ||
| Bluetooth | 5.0 | 5.0 |
| USB ports | 2 | 2 |
| HDMI ports | 3 | 4 |
Related Comparisons
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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