LG QNED85 55" vs Vizio M-Series 55"
The Verdict
LG's QNED85 and Vizio's M-Series both deliver solid 4K 120Hz gaming experiences, but cater to different budgets. LG edges ahead with superior peak brightness (700 nits vs 800 nits favors Vizio slightly), Dolby Atmos audio with proper speakers, and more refined webOS interface with multiple AI assistants. Vizio counters with higher native brightness, Wi-Fi 6 connectivity, and exceptional value at $449,nearly $350 cheaper. Picture quality differences narrow at normal viewing distances, though LG's QNED technology with quantum dots provides marginally better color accuracy. Gaming performance is nearly identical (7ms vs 8ms input lag). For budget-conscious buyers seeking practical 4K gaming and streaming, Vizio delivers compelling performance. Serious videophiles or those valuing audio quality should invest in the LG. Choose Vizio for value, LG for refinement.
Who Should Buy
Buy the LG QNED85 55" if…
- →120Hz with VRR and ALLM provides a solid mid-range gaming TV
- →Dolby Vision and Dolby Atmos for full HDR ecosystem support
- →Quantum Dot + NanoCell produces wider color gamut than basic LCD
Buy the Vizio M-Series 55" if…
- →120Hz with VRR and 4K@120Hz at under $450 is great for console gamers
- →Dolby Vision and HDR10+ dual support
- →Four HDMI 2.1 ports — enough for every console and streaming device
Category Scores
Pros & Cons
LG QNED85 55"
Pros
- 120Hz with VRR and ALLM provides a solid mid-range gaming TV
- Dolby Vision and Dolby Atmos for full HDR ecosystem support
- Quantum Dot + NanoCell produces wider color gamut than basic LCD
- Four HDMI ports (2x HDMI 2.1) handle multiple devices
- α7 Gen6 AI processor upscales and enhances SDR content well
Cons
- IPS panel still has mediocre contrast — blacks look grey
- 700 nits is modest — HDR highlights don't pop like Mini-LED
- 20W speakers are inadequate — soundbar strongly recommended
- QNED branding is confusing — this is not Mini-LED despite the name
Vizio M-Series 55"
Pros
- 120Hz with VRR and 4K@120Hz at under $450 is great for console gamers
- Dolby Vision and HDR10+ dual support
- Four HDMI 2.1 ports — enough for every console and streaming device
- Wi-Fi 6 and Chromecast built-in for fast streaming
- Quantum color delivers better color volume than basic LED
Cons
- SmartCast OS is slow and has fewer apps than Google TV
- 800-nit brightness is adequate but not impressive for HDR
- No local dimming zones — contrast is limited
- Vizio's long-term software support and update track record is inconsistent
Full Specifications
| Spec | LG QNED85 55" | Vizio M-Series 55" |
|---|---|---|
| Body | ||
| VESA mount | 300 x 300mm | 200 x 200mm |
| Weight | 32.4 lbs | 28.0 lbs |
| Dimensions | 48.4 x 28.1 x 2.1 inches | — |
| Dimensions (w/ stand) | 48.4 x 30.4 x 9.4 inches | 48.3 x 30.4 x 10.6 inches |
| Audio | ||
| Output (watts) | 20 | 20 |
| Speakers | 2.0ch | 2.0ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 7 | 8 |
| Display | ||
| HDR | Dolby Vision, HDR10, HLG | Dolby Vision, HDR10+, HLG |
| Size | 55" | 55" |
| Type | QNED (Quantum Dot + NanoCell IPS LCD) | Quantum LED |
| Resolution | 3840 x 2160 (4K) | 3840 x 2160 (4K UHD) |
| Refresh rate | 120Hz | 120Hz (native) |
| Brightness (nits) | 700 | 800 |
| Smart TV | ||
| Os | webOS 23 | SmartCast OS |
| Voice assistant | LG ThinQ AI, Alexa, Google Assistant | Google Assistant, Apple AirPlay 2, Chromecast |
| Connectivity | ||
| Wi-Fi | Wi-Fi 5 | Wi-Fi 6 (802.11ax) |
| Ethernet | ||
| Bluetooth | 5.0 | 5.0 |
| USB ports | 2 | 1 |
| HDMI ports | 4 | 4 |
| Processor | ||
| Chipset | — | IQ Active Processor |
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.
Explore more in tvs, see all LG products or all Vizio products. View full details for the LG QNED85 55" or the Vizio M-Series 55".

