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Sony Bravia 9 75" vs Vizio M-Series 55"

Sony's Bravia 9 75" dominates with its massive Mini-LED display delivering 3300 nits peak brightness, superior contrast, and Cognitive Processor XR upscaling that significantly outperforms Vizio's Quantum LED panel (800 nits). Audio capabilities are dramatically different: Sony provides robust 4.2.2ch surround with 85W and Dolby Atmos versus Vizio's basic 2.0ch 20W stereo. Both handle gaming identically with 8ms input lag, VRR, and ALLM support. Gaming performance is matched, but Sony's larger screen, advanced processing, Mini-LED technology, and comprehensive audio system create an immersive cinematic experience that justifies its premium positioning. Vizio M-Series excels as a budget-conscious 4K option with respectable picture quality and gaming credentials. For serious home theater enthusiasts seeking premium picture and sound, Sony Bravia 9 is the clear choice. Vizio suits viewers prioritizing value and basic performance without premium features.

Sony Bravia 9 75"
Sony
Sony Bravia 9 75"
$2,999
9.1/10
Winner
VS
Vizio M-Series 55"
Vizio
Vizio M-Series 55"
$449
7.3/10

Full Specifications

SpecSony Bravia 9 75"Vizio M-Series 55"
Body
VESA mount400 x 400mm200 x 200mm
Weight101.4 lbs28.0 lbs
Dimensions (w/ stand)66.8 x 44.7 x 13.4 inches48.3 x 30.4 x 10.6 inches
Audio
Output (watts)8520
Speakers4.2.2ch Acoustic Multi-Audio+2.0ch
Dolby Atmos
Gaming
VRR (Variable Refresh Rate)
ALLM
Input lag (ms)88
Display
HDRDolby Vision, HDR10, HLG, Filmmaker ModeDolby Vision, HDR10+, HLG
Size75"55"
TypeMini-LEDQuantum LED
Resolution3840 x 2160 (4K UHD)3840 x 2160 (4K UHD)
Refresh rate120Hz120Hz (native)
Brightness (nits)3300800
Smart TV
OsGoogle TVSmartCast OS
Voice assistantGoogle AssistantGoogle Assistant, Apple AirPlay 2, Chromecast
Processor
ChipsetCognitive Processor XRIQ Active Processor
Connectivity
Wi-FiWi-Fi 6 (802.11ax)Wi-Fi 6 (802.11ax)
Ethernet
Bluetooth5.25.0
USB ports21
HDMI ports44

Category Scores

Sony Bravia 9 75"
Vizio M-Series 55"
Audio
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0
Value
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gaming
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smart_features
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picture_quality
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Pros & Cons

Sony Bravia 9 75"

Pros

  • XR Backlight Master Drive with thousands of precise Mini-LED zones for exceptional contrast
  • Acoustic Multi-Audio+ uses speakers behind the screen to localize sound to on-screen action
  • Dolby Vision and Dolby Atmos support for top-tier cinematic HDR
  • Google TV is clean, feature-rich, and tightly integrated with Google ecosystem
  • 85W output from a 4.2.2ch system is class-leading built-in audio

Cons

  • Very high price at $2,999 for a Mini-LED panel that cannot match OLED black levels
  • Input lag of ~8ms, while good, trails LG OLED panels for competitive gaming
  • Sony's Bravia Cam (for auto-calibration features) is sold separately
  • 75-inch size and 101 lbs makes installation and repositioning very challenging

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

Explore more in tvs, see all Sony products or all Vizio products. View full details for the Sony Bravia 9 75" or the Vizio M-Series 55".