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LG G4 77" vs Vizio M7 Q-Series 55"

Updated Apr 2026tvs
LG G4 77"
LG
LG G4 77"
$3,299
9.2/10
Winner
VS
Vizio M7 Q-Series 55"
Vizio
Vizio M7 Q-Series 55"
$499
7.3/10

The Verdict

LG's G4 77" represents flagship OLED technology with exceptional picture quality, delivering 2100 nits peak brightness, perfect 1ms input lag for gaming, and comprehensive HDR support including Dolby Vision IQ. Its 4.2ch 60W audio system with Dolby Atmos provides immersive sound, while webOS 24 and the α11 AI processor ensure smooth performance. However, the $3299 price tag demands serious commitment. Vizio's M7 Q-Series 55" offers impressive value at $499, featuring Quantum Color LED with 600 nits brightness, Dolby Vision support, and respectable gaming credentials despite lacking VRR. Its 20W 2.0ch audio and 60Hz refresh rate reveal budget compromises. For cinephiles and serious gamers with larger viewing spaces, the LG G4 justifies its premium with superior contrast, HDR performance, and gaming responsiveness. Budget-conscious buyers seeking quality 4K content at 55" will appreciate the Vizio's practical feature set and exceptional value proposition.

AudioG4 77"
ValueQ-Series 55"
gamingG4 77"
smart_featuresG4 77"
picture_qualityG4 77"

Who Should Buy

Buy the LG G4 77" if…

  • MLA panel pushes OLED brightness to 2,100+ nits — closes the gap with Mini-LED
  • α11 AI processor is LG's most powerful, with superior upscaling and AI enhancements
  • Gallery design meant to hang flush to the wall with no gap

Buy the Vizio M7 Q-Series 55" if…

  • Quantum color at $499 delivers vivid, wide gamut colors
  • Dolby Vision and HDR10+ dual support is rare at this price
  • Local dimming zones improve contrast over basic LED TVs

Category Scores

LG G4 77"
Vizio M7 Q-Series 55"
Audio
8.8
6.0
Value
7.2
8.8
gaming
9.5
6.5
smart_features
9.0
7.5
picture_quality
9.6
7.0

Pros & Cons

LG G4 77"

Pros

  • MLA panel pushes OLED brightness to 2,100+ nits — closes the gap with Mini-LED
  • α11 AI processor is LG's most powerful, with superior upscaling and AI enhancements
  • Gallery design meant to hang flush to the wall with no gap
  • 77-inch screen delivers an immersive cinematic experience at typical viewing distances
  • Best overall OLED picture quality available in a consumer TV as of 2024

Cons

  • At $3,299 it is a very significant investment compared to the C4
  • Gallery design requires flush wall mounting — stand sold separately
  • Still susceptible to OLED burn-in with prolonged static imagery
  • 77 inches is too large for many rooms and viewing distances under 10 feet

Vizio M7 Q-Series 55"

Pros

  • Quantum color at $499 delivers vivid, wide gamut colors
  • Dolby Vision and HDR10+ dual support is rare at this price
  • Local dimming zones improve contrast over basic LED TVs
  • Wi-Fi 6 for fast, reliable streaming
  • Lightweight at 29.5 lbs for easy installation

Cons

  • 60Hz panel — no 120Hz or VRR for gaming
  • SmartCast OS is sluggish and frustrating to navigate
  • Only 3 HDMI ports, no HDMI 2.1
  • 20W speakers are thin and lacking bass
  • 600 nits is modest — HDR highlights don't fully shine

Full Specifications

SpecLG G4 77"Vizio M7 Q-Series 55"
Body
VESA mount400 x 200mm200 x 200mm
Weight73.4 lbs29.5 lbs
Dimensions (w/ stand)68.0 x 43.1 x 12.8 inches48.3 x 30.2 x 9.6 inches
Dimensions48.3 x 28.0 x 3.2 inches
Audio
Output (watts)6020
Speakers4.2ch2.0ch
Dolby Atmos
Gaming
VRR (Variable Refresh Rate)
ALLM
Input lag (ms)112
Display
HDRDolby Vision IQ, HDR10, HLG, Filmmaker ModeDolby Vision, HDR10+, HDR10, HLG
Size77"55"
TypeOLED evo MLA (Micro Lens Array)Quantum Color LED (VA LCD)
Resolution3840 x 2160 (4K UHD)3840 x 2160 (4K)
Refresh rate120Hz60Hz
Brightness (nits)2100600
Smart TV
OswebOS 24SmartCast (Chromecast built-in)
Voice assistantThinQ AI, Alexa, Google AssistantGoogle Assistant, Alexa
Processor
Chipsetα11 AI Processor 4K
Connectivity
Wi-FiWi-Fi 6 (802.11ax)Wi-Fi 6
Ethernet
Bluetooth5.05.0
USB ports31
HDMI ports43

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 G4 77" or the Vizio M7 Q-Series 55".