LG OLED A2 55" vs Vizio P-Series Quantum 65"
The Verdict
LG's A2 OLED delivers superior contrast and perfect blacks at 55 inches, leveraging OLED's inherent advantages with Dolby Vision support and webOS 22's refined interface. Vizio's P-Series Quantum counters with a larger 65-inch panel, dramatically brighter 1200-nit VA LCD display with full-array local dimming, 120Hz refresh rate, and variable refresh rate support,advantages that matter significantly for sports, gaming, and bright rooms. Gaming performance favors Vizio with 8ms input lag versus LG's 14ms and VRR capability. However, LG edges ahead in picture quality for movie content with OLED's superior color accuracy and infinite contrast ratio. At $100 more, Vizio's size advantage and gaming features justify the premium for most buyers, though cinephiles will prefer the A2's OLED panel. Choose Vizio for versatility and brightness; select LG for pure contrast and elegance.
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 Vizio P-Series Quantum 65" if…
- →Strong price-to-performance — quantum dot color and FALD at $999
- →Both Dolby Vision and HDR10+ support all HDR content
- →120Hz with VRR and ALLM for console and PC gaming
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
Vizio P-Series Quantum 65"
Pros
- Strong price-to-performance — quantum dot color and FALD at $999
- Both Dolby Vision and HDR10+ support all HDR content
- 120Hz with VRR and ALLM for console and PC gaming
- 1200 nits peak brightness makes HDR content pop
- Wide color gamut with quantum dot enhancement
Cons
- SmartCast platform is slow and has limited apps compared to Google TV
- 20W audio is very weak — a soundbar is essential
- Build quality and remote feel budget-oriented
- Vizio software support and updates can be inconsistent
Full Specifications
| Spec | LG OLED A2 55" | Vizio P-Series Quantum 65" |
|---|---|---|
| Body | ||
| VESA mount | 300 x 200mm | 300 x 300mm |
| Weight | 29.1 lbs | 44.7 lbs |
| Dimensions | 48.4 x 28.0 x 1.8 inches | 56.9 x 32.9 x 3.0 inches |
| Dimensions (w/ stand) | 48.4 x 30.0 x 9.4 inches | 56.9 x 35.3 x 12.0 inches |
| Audio | ||
| Output (watts) | 20 | 20 |
| Speakers | 2.0ch | 2.0ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 14 | 8 |
| Display | ||
| HDR | Dolby Vision, HDR10, HLG | Dolby Vision, HDR10+, HDR10, HLG |
| Size | 55" | 65" |
| Type | OLED (WOLED) | Quantum Color LED (VA LCD, Full Array Local Dimming) |
| Resolution | 3840 x 2160 (4K) | 3840 x 2160 (4K) |
| Refresh rate | 60Hz | 120Hz |
| Brightness (nits) | 500 | 1200 |
| Smart TV | ||
| Os | webOS 22 | SmartCast (Chromecast built-in) |
| Voice assistant | LG ThinQ AI, Alexa, Google Assistant | Google Assistant, Alexa (via voice remote) |
| Connectivity | ||
| Wi-Fi | Wi-Fi 5 | Wi-Fi 6 |
| Ethernet | ||
| Bluetooth | 5.0 | 5.0 |
| USB ports | 2 | 1 |
| HDMI ports | 3 | 4 |
Related Comparisons
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- Vizio P-Series Quantum 65" vs TCL Q7 55" (QLED)
- Vizio P-Series Quantum 65" vs TCL 6-Series R655 55" (Mini-LED QLED)
- Vizio P-Series Quantum 65" vs TCL 5-Series S555 65" (QLED)
- Vizio P-Series Quantum 65" 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.
Explore more in tvs, see all LG products or all Vizio products. View full details for the LG OLED A2 55" or the Vizio P-Series Quantum 65".

