Samsung CU7000 50" vs Vizio M-Series 55"
The Verdict
Samsung's CU7000 offers solid budget 4K performance at 50 inches with HDR10+ and a responsive 14ms input lag, making it suitable for casual viewing and light gaming. Vizio's M-Series 55" commands a $170 premium but delivers substantially better value through a larger screen, quantum dot technology with 800 nits peak brightness versus 250 nits, native 120Hz refresh rate with VRR support, and significantly faster 8ms input lag for competitive gaming. Picture quality differences are notable,Vizio's superior brightness and contrast handling benefit HDR content considerably. Both share identical 20W audio and basic connectivity, though Vizio adds an extra HDMI port and Wi-Fi 6 support. For serious gamers or those prioritizing picture quality, Vizio's enhanced specs justify the higher investment. However, budget-conscious buyers in smaller rooms may find Samsung's 50-inch capable and affordable option adequate for basic streaming and movies. Recommend the Vizio M-Series 55" for its superior gaming performance, brightness, and overall picture quality advantages.
Who Should Buy
Buy the Samsung CU7000 50" if…
- →Under $280 for a 50-inch Samsung 4K TV is exceptional value
- →Tizen smart TV platform with all major streaming apps
- →HDR10+ support at this price point is uncommon
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
Samsung CU7000 50"
Pros
- Under $280 for a 50-inch Samsung 4K TV is exceptional value
- Tizen smart TV platform with all major streaming apps
- HDR10+ support at this price point is uncommon
- Light enough to mount with a basic bracket
- Simple setup with Samsung's guided setup wizard
Cons
- Very low brightness limits HDR performance significantly
- 60Hz panel — not suitable for gaming or fast-moving sports
- No VRR or HDMI 2.1 features
- Mediocre viewing angles — color shifts off-center
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 | Samsung CU7000 50" | Vizio M-Series 55" |
|---|---|---|
| Body | ||
| VESA mount | 200 x 200mm | 200 x 200mm |
| Weight | 22.9 lbs | 28.0 lbs |
| Dimensions (w/ stand) | 44.3 x 28.1 x 8.2 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) | 14 | 8 |
| Display | ||
| HDR | HDR10+, HLG | Dolby Vision, HDR10+, HLG |
| Size | 50" | 55" |
| Type | Crystal UHD LED | Quantum LED |
| Resolution | 3840 x 2160 (4K UHD) | 3840 x 2160 (4K UHD) |
| Refresh rate | 60Hz | 120Hz (native) |
| Brightness (nits) | 250 | 800 |
| Smart TV | ||
| Os | Tizen OS | SmartCast OS |
| Voice assistant | Bixby, Alexa | Google Assistant, Apple AirPlay 2, Chromecast |
| Processor | ||
| Chipset | Crystal Processor 4K | IQ Active Processor |
| Connectivity | ||
| Wi-Fi | Wi-Fi 5 (802.11ac) | Wi-Fi 6 (802.11ax) |
| Ethernet | ||
| Bluetooth | 5.2 | 5.0 |
| USB ports | 1 | 1 |
| HDMI ports | 3 | 4 |
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 Samsung products or all Vizio products. View full details for the Samsung CU7000 50" or the Vizio M-Series 55".

