LG OLED A2 55" vs Sony X90K 65" (Full Array LED)
The Verdict
LG's A2 OLED delivers exceptional contrast and perfect blacks at 55 inches, ideal for dark room viewing with its pixel-level dimming technology. Sony's X90K 65-inch Full Array LED counters with superior brightness (1200 nits vs 500 nits), making it better for bright rooms, plus it includes 120Hz refresh rate and VRR support for gaming,features the A2 completely lacks. Input lag favors Sony at 8ms versus LG's 14ms. Picture quality depends on usage: OLED excels in contrast and color accuracy for movies, while the X90K's local dimming zones and extreme brightness handle sports and HDR content more dynamically. The 10-inch size difference significantly impacts viewing experience. At $899 versus $1099, the LG offers better value for cinema lovers in controlled lighting, but Sony's gaming features, brightness, and larger screen justify its premium for versatile living rooms. Sony X90K edges ahead for most buyers seeking an all-around performer, though OLED purists will prefer the A2's picture quality.
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 Sony X90K 65" (Full Array LED) if…
- →Excellent Sony image processing at a competitive mid-range price
- →Full Array Local Dimming provides solid contrast for an LED TV
- →Dolby Vision and Dolby Atmos for home theater 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
Sony X90K 65" (Full Array LED)
Pros
- Excellent Sony image processing at a competitive mid-range price
- Full Array Local Dimming provides solid contrast for an LED TV
- Dolby Vision and Dolby Atmos for home theater HDR experience
- 120Hz with VRR and ALLM — capable gaming display
- Google TV with Chromecast built-in for seamless streaming
Cons
- Only 2 of 4 HDMI ports support 4K@120Hz
- 20W audio is very weak — soundbar essential
- Bluetooth 4.2 and Wi-Fi 5 are behind current standards
- Some blooming visible with full array backlighting in dark scenes
Full Specifications
| Spec | LG OLED A2 55" | Sony X90K 65" (Full Array LED) |
|---|---|---|
| Body | ||
| VESA mount | 300 x 200mm | 300 x 300mm |
| Weight | 29.1 lbs | 46.3 lbs |
| Dimensions | 48.4 x 28.0 x 1.8 inches | 57.2 x 33.1 x 2.7 inches |
| Dimensions (w/ stand) | 48.4 x 30.0 x 9.4 inches | 57.2 x 35.3 x 12.0 inches |
| Audio | ||
| Output (watts) | 20 | 20 |
| Speakers | 2.0ch | 2.0ch Acoustic Multi-Audio |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 14 | 8 |
| Display | ||
| HDR | Dolby Vision, HDR10, HLG | Dolby Vision, HDR10, HLG |
| Size | 55" | 65" |
| Type | OLED (WOLED) | Full Array LED (VA LCD) |
| Resolution | 3840 x 2160 (4K) | 3840 x 2160 (4K) |
| Refresh rate | 60Hz | 120Hz |
| Brightness (nits) | 500 | 1200 |
| Smart TV | ||
| Os | webOS 22 | Google TV |
| Voice assistant | LG ThinQ AI, Alexa, Google Assistant | Google Assistant, Alexa |
| Connectivity | ||
| Wi-Fi | Wi-Fi 5 | Wi-Fi 5 |
| Ethernet | ||
| Bluetooth | 5.0 | 4.2 |
| USB ports | 2 | 2 |
| HDMI ports | 3 | 4 |
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- Sony X90K 65" (Full Array LED) vs TCL 6-Series R655 55" (Mini-LED QLED)
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- Sony X90K 65" (Full Array LED) vs Sony X90L 65"
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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