LG C4 65" vs Vizio M-Series 55"
The Verdict
LG's C4 OLED delivers superior picture quality with its self-emissive pixel technology, achieving deeper blacks, superior contrast, and exceptional color accuracy compared to Vizio's Quantum LED approach. Brightness reaches 1300 nits on the LG versus 800 nits on Vizio, making the LG significantly better for bright rooms. Gaming performance slightly favors the LG with 1ms input lag versus Vizio's 8ms, though both support VRR and ALLM. Audio capabilities diverge notably,LG offers 60W 2.2ch with Dolby Atmos versus Vizio's modest 20W 2.0ch system. Smart TV platforms differ in polish, with LG's webOS 24 generally considered more intuitive. At $1799 for 65 inches versus $449 for 55 inches, the Vizio represents exceptional budget value for casual viewers, while the LG justifies premium pricing through OLED technology and comprehensive features. Choose the LG for premium picture quality and gaming; select Vizio for budget-conscious 4K viewing.
Who Should Buy
Buy the LG C4 65" if…
- →Perfect black levels from self-emissive OLED pixels — best-in-class contrast
- →All four HDMI 2.1 ports at full bandwidth with VRR, ALLM, and G-Sync Compatible
- →1ms input lag makes it one of the best gaming TVs at any price
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 C4 65"
Pros
- Perfect black levels from self-emissive OLED pixels — best-in-class contrast
- All four HDMI 2.1 ports at full bandwidth with VRR, ALLM, and G-Sync Compatible
- 1ms input lag makes it one of the best gaming TVs at any price
- Dolby Vision IQ and Dolby Atmos support for premium cinematic experience
- webOS 24 is clean, fast, and nearly ad-free compared to Tizen
Cons
- OLED burn-in risk with prolonged static content (e.g. news tickers, HUDs)
- Peak brightness trails Mini-LED rivals in very bright HDR highlights
- Slightly lower brightness than the G4, limiting HDR pop in sunlit rooms
- USB-A ports are only USB 2.0 speed
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 C4 65" | Vizio M-Series 55" |
|---|---|---|
| Body | ||
| VESA mount | 300 x 200mm | 200 x 200mm |
| Weight | 52.9 lbs | 28.0 lbs |
| Dimensions (w/ stand) | 57.0 x 36.9 x 10.1 inches | 48.3 x 30.4 x 10.6 inches |
| Audio | ||
| Output (watts) | 60 | 20 |
| Speakers | 2.2ch | 2.0ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 1 | 8 |
| Display | ||
| HDR | Dolby Vision IQ, HDR10, HLG, Filmmaker Mode | Dolby Vision, HDR10+, HLG |
| Size | 65" | 55" |
| Type | OLED evo | Quantum LED |
| Resolution | 3840 x 2160 (4K UHD) | 3840 x 2160 (4K UHD) |
| Refresh rate | 120Hz | 120Hz (native) |
| Brightness (nits) | 1300 | 800 |
| Smart TV | ||
| Os | webOS 24 | SmartCast OS |
| Voice assistant | ThinQ AI, Alexa, Google Assistant | Google Assistant, Apple AirPlay 2, Chromecast |
| Processor | ||
| Chipset | α9 Gen 7 AI Processor 4K | IQ Active Processor |
| Connectivity | ||
| Wi-Fi | Wi-Fi 6 (802.11ax) | Wi-Fi 6 (802.11ax) |
| Ethernet | ||
| Bluetooth | 5.0 | 5.0 |
| USB ports | 3 | 1 |
| HDMI ports | 4 | 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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