LG OLED A2 55" vs Samsung S90C 65" (4K OLED)
The Verdict
LG's A2 delivers authentic OLED picture quality at an accessible $899 price point, featuring 500-nit brightness, Dolby Vision support, and webOS 22 with multiple voice assistants. Samsung's S90C represents the premium tier with its QD-OLED panel achieving 1500 nits peak brightness, 120Hz native refresh rate with VRR for gaming, and superior input lag (6ms vs 14ms). Picture quality differences favor Samsung's superior contrast and brightness capabilities, while the A2 excels in value proposition. Gaming performance decisively goes to Samsung with full 120Hz support and variable refresh rate. Audio systems differ meaningfully,Samsung's 40W 2.1ch setup outpaces LG's 20W 2.0ch configuration. Size advantage leans toward Samsung at 65 inches versus 55 inches. For budget-conscious OLED enthusiasts seeking exceptional picture quality without gaming demands, the A2 is compelling. Serious gamers and those prioritizing cutting-edge specs warrant Samsung's investment.
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 Samsung S90C 65" (4K OLED) if…
- →65-inch QD-OLED at $1,999 undercuts LG C3 OLED while being brighter
- →Wider color gamut and higher brightness than traditional WOLED panels
- →Infinite contrast with no light bleed or blooming
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
Samsung S90C 65" (4K OLED)
Pros
- 65-inch QD-OLED at $1,999 undercuts LG C3 OLED while being brighter
- Wider color gamut and higher brightness than traditional WOLED panels
- Infinite contrast with no light bleed or blooming
- Excellent for gaming with 4K@144Hz, VRR, and low input lag
- Anti-glare coating reduces reflections in bright rooms
Cons
- No Dolby Vision — HDR10+ only
- 40W speakers are underwhelming for a $2,000 TV — needs a soundbar
- Potential OLED burn-in risk with static content
- Wi-Fi 5 on a premium 2023 TV feels like a cost-cutting measure
Full Specifications
| Spec | LG OLED A2 55" | Samsung S90C 65" (4K OLED) |
|---|---|---|
| Body | ||
| VESA mount | 300 x 200mm | 300 x 300mm |
| Weight | 29.1 lbs | 40.6 lbs |
| Dimensions | 48.4 x 28.0 x 1.8 inches | 56.8 x 32.5 x 0.5 inches |
| Dimensions (w/ stand) | 48.4 x 30.0 x 9.4 inches | 56.8 x 34.5 x 10.1 inches |
| Audio | ||
| Output (watts) | 20 | 40 |
| Speakers | 2.0ch | 2.1ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 14 | 6 |
| Display | ||
| HDR | Dolby Vision, HDR10, HLG | Quantum HDR OLED, HDR10+, HLG |
| Size | 55" | 65" |
| Type | OLED (WOLED) | QD-OLED |
| Resolution | 3840 x 2160 (4K) | 3840 x 2160 (4K) |
| Refresh rate | 60Hz | 120Hz (144Hz via Game Mode) |
| Brightness (nits) | 500 | 1500 |
| Smart TV | ||
| Os | webOS 22 | Tizen OS |
| Voice assistant | LG ThinQ AI, Alexa, Google Assistant | Bixby, Alexa, Google Assistant |
| Connectivity | ||
| Wi-Fi | Wi-Fi 5 | Wi-Fi 5 |
| Ethernet | ||
| Bluetooth | 5.0 | 5.2 |
| 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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