LG UR8000 55" (UHD) vs Vizio OLED 55"
The Verdict
LG's UR8000 delivers solid 4K performance at an exceptional price point, with a bright 300-nit IPS LCD panel, webOS 23, and reasonable connectivity. However, Vizio's OLED 55" represents a meaningful upgrade across nearly every specification. The OLED panel offers superior contrast, deeper blacks, and true 1 to 1 pixel control compared to LCD technology, paired with double the brightness at 600 nits. Vizio includes 120Hz refresh rate versus LG's 60Hz, variable refresh rate support, and lower input lag (10ms vs 15ms), making it noticeably better for gaming and fast-motion content. Audio improves from 20W to 30W with Dolby Atmos support. Wi-Fi 6 provides faster connectivity, and you get an extra HDMI port. The trade-off is price: Vizio costs 2.5 times more at $999. For budget-conscious buyers wanting basic 4K streaming and casual viewing, the UR8000 offers remarkable value. For anyone prioritizing picture quality, gaming performance, or demanding content, Vizio's OLED display justifies the premium investment. The technology gap here is substantial rather than marginal.
Who Should Buy
Buy the LG UR8000 55" (UHD) if…
- →Affordable 55-inch 4K at $399 for budget-conscious buyers
- →webOS 23 smart TV platform with all major streaming apps
- →IPS panel offers wide viewing angles for family rooms
Buy the Vizio OLED 55" if…
- →Most affordable 55-inch OLED at $999 — perfect blacks at a budget price
- →Dolby Vision, HDR10+, and Dolby Atmos — supports all major formats
- →120Hz with VRR and ALLM — capable gaming display
Category Scores
Pros & Cons
LG UR8000 55" (UHD)
Pros
- Affordable 55-inch 4K at $399 for budget-conscious buyers
- webOS 23 smart TV platform with all major streaming apps
- IPS panel offers wide viewing angles for family rooms
- LG ThinQ AI and Alexa voice control built in
- Lightweight at 27.1 lbs — straightforward wall mount installation
Cons
- IPS LCD has poor contrast — blacks appear grey in dark rooms
- 300 nits brightness is very dim — HDR is essentially non-functional
- 60Hz with no VRR — not suitable for gaming
- 20W audio is tinny — external speakers needed
- No Dolby Vision, Dolby Atmos, or HDMI 2.1
Vizio OLED 55"
Pros
- Most affordable 55-inch OLED at $999 — perfect blacks at a budget price
- Dolby Vision, HDR10+, and Dolby Atmos — supports all major formats
- 120Hz with VRR and ALLM — capable gaming display
- Infinite contrast ratio with pixel-perfect black levels
- 4x HDMI ports including HDMI 2.1 for next-gen consoles
Cons
- SmartCast OS is the weakest smart TV platform — buggy and slow
- Only 600 nits peak brightness — dimmer than LG and Samsung OLEDs
- Vizio has exited the TV market — long-term software support uncertain
- Image processing quality trails LG, Sony, and Samsung OLED models
- Build quality feels inferior to similarly priced LG A2 OLED
Full Specifications
| Spec | LG UR8000 55" (UHD) | Vizio OLED 55" |
|---|---|---|
| Body | ||
| VESA mount | 300 x 300mm | 300 x 300mm |
| Weight | 27.1 lbs | 33.5 lbs |
| Dimensions | 48.7 x 28.3 x 3.4 inches | 48.2 x 28.0 x 1.5 inches |
| Dimensions (w/ stand) | 48.7 x 30.4 x 8.4 inches | 48.2 x 29.7 x 10.0 inches |
| Audio | ||
| Output (watts) | 20 | 30 |
| Speakers | 2.0ch | 2.0ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 15 | 10 |
| Display | ||
| HDR | HDR10, HLG | Dolby Vision, HDR10+, HDR10, HLG |
| Size | 55" | 55" |
| Type | IPS LCD | OLED |
| Resolution | 3840 x 2160 (4K) | 3840 x 2160 (4K) |
| Refresh rate | 60Hz | 120Hz |
| Brightness (nits) | 300 | 600 |
| Smart TV | ||
| Os | webOS 23 | SmartCast (Chromecast built-in) |
| Voice assistant | LG ThinQ AI, Alexa | Google Assistant, Alexa |
| Connectivity | ||
| Wi-Fi | Wi-Fi 5 | Wi-Fi 6 |
| Ethernet | ||
| Bluetooth | 5.0 | 5.0 |
| USB ports | 1 | 1 |
| HDMI ports | 3 | 4 |
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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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