Samsung QN85D 55" vs Vizio M-Series 55"
Samsung's QN85D dominates in picture quality with its Neo QLED Mini-LED panel delivering 2000 nits brightness versus Vizio's 800 nits, plus superior Quantum HDR 20x processing for exceptional contrast and color volume. Its 2.2.2ch Object Tracking Sound system significantly outperforms Vizio's basic 2.0ch setup. Gaming performance is nearly identical with both offering 120Hz, VRR, ALLM, and ultra-low input lag (9ms vs 8ms). However, Vizio's M-Series at $449 provides remarkable value for budget-conscious buyers, delivering 4K/120Hz gaming and Dolby Vision support with Wi-Fi 6 connectivity. Samsung justifies its $1299 premium through substantially brighter displays, Mini-LED backlighting, advanced upscaling, and premium audio—essentials for cinephiles and high-end home theater setups. For gaming and streaming at 55 inches, Vizio offers genuine competence. For serious picture quality and immersive sound, Samsung is unmatched. Choose Vizio for value; choose Samsung for excellence.
Full Specifications
| Spec | Samsung QN85D 55" | Vizio M-Series 55" |
|---|---|---|
| Body | ||
| VESA mount | 400 x 400mm | 200 x 200mm |
| Weight | 46.7 lbs | 28.0 lbs |
| Dimensions (w/ stand) | 48.4 x 31.5 x 11.2 inches | 48.3 x 30.4 x 10.6 inches |
| Audio | ||
| Output (watts) | 40 | 20 |
| Speakers | 2.2.2ch Object Tracking Sound Lite | 2.0ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 9 | 8 |
| Display | ||
| HDR | Quantum HDR 20x, HDR10+, HLG | Dolby Vision, HDR10+, HLG |
| Size | 55" | 55" |
| Type | Neo QLED Mini-LED | Quantum LED |
| Resolution | 3840 x 2160 (4K UHD) | 3840 x 2160 (4K UHD) |
| Refresh rate | 120Hz | 120Hz (native) |
| Brightness (nits) | 2000 | 800 |
| Smart TV | ||
| Os | Tizen OS | SmartCast OS |
| Voice assistant | Bixby, Alexa, Google Assistant | Google Assistant, Apple AirPlay 2, Chromecast |
| Processor | ||
| Chipset | Neural Quantum Processor 4K Lite | IQ Active Processor |
| Connectivity | ||
| Wi-Fi | Wi-Fi 5 (802.11ac) | Wi-Fi 6 (802.11ax) |
| Ethernet | ||
| Bluetooth | 5.2 | 5.0 |
| USB ports | 2 | 1 |
| HDMI ports | 4 | 4 |
Category Scores
Pros & Cons
Samsung QN85D 55"
Pros
- Mini-LED backlighting delivers strong contrast for a 55-inch at this price
- All four HDMI 2.1 ports support 4K@120Hz for gaming
- VRR and ALLM make it a solid choice for PS5 and Xbox Series X
- Anti-glare coating keeps the picture clean in bright environments
Cons
- Fewer Mini-LED dimming zones than the QN90D limits peak contrast performance
- No Dolby Atmos — Samsung's proprietary audio ecosystem only
- Tizen home screen includes ads and sponsored app rows
- The Lite processor shows its limits with complex 8K and AI upscaling scenes
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
Related Comparisons
Explore more in tvs, see all Samsung products or all Vizio products. View full details for the Samsung QN85D 55" or the Vizio M-Series 55".