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LG C5 OLED 65" vs Vizio OLED 55"

Updated Apr 2026tvs
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The Verdict

The LG C5 OLED 65" and Vizio OLED 55" sit in the same category and end up appealing to slightly different buyers. The Vizio OLED 55" is the cheaper of the two at $999 versus $1,400, a difference of about $401. The LG C5 OLED 65" is the newer release, which usually means a faster chipset and longer software support. LG C5 OLED 65" stands out for 4k oled with perfect blacks, while Vizio OLED 55" is praised for most affordable 55-inch oled at $999 — perfect blacks at a budget price. Use the side-by-side spec table below to compare cameras, displays, battery life and connectivity in detail and decide which one fits your priorities.

Who Should Buy

Buy the LG C5 OLED 65" if…

  • 4K OLED with perfect blacks
  • 144Hz with NVIDIA G-Sync and AMD FreeSync Premium
  • 0.1ms response time for gaming

Buy the Vizio OLED 55" if…

  • Most affordable 55-inch OLED at $999 — perfect blacks at a budget price
  • Dolby Vision, HDR10+, and Dolby Atmos — supports all major formats
  • 120Hz with VRR and ALLM — capable gaming display

Pros & Cons

LG C5 OLED 65"

Pros

  • 4K OLED with perfect blacks
  • 144Hz with NVIDIA G-Sync and AMD FreeSync Premium
  • 0.1ms response time for gaming
  • Dolby Vision and Dolby Atmos
  • 4x HDMI 2.1 ports

Cons

  • $1400 is still premium for 65 inches
  • Risk of burn-in with static content
  • 40W speakers may need a soundbar

Vizio OLED 55"

Pros

  • Most affordable 55-inch OLED at $999 — perfect blacks at a budget price
  • Dolby Vision, HDR10+, and Dolby Atmos — supports all major formats
  • 120Hz with VRR and ALLM — capable gaming display
  • Infinite contrast ratio with pixel-perfect black levels
  • 4x HDMI ports including HDMI 2.1 for next-gen consoles

Cons

  • SmartCast OS is the weakest smart TV platform — buggy and slow
  • Only 600 nits peak brightness — dimmer than LG and Samsung OLEDs
  • Vizio has exited the TV market — long-term software support uncertain
  • Image processing quality trails LG, Sony, and Samsung OLED models
  • Build quality feels inferior to similarly priced LG A2 OLED

Full Specifications

SpecLG C5 OLED 65"Vizio OLED 55"
Body
VESA mount300 x 300300 x 300mm
Weight18.9 kg33.5 lbs
Dimensions48.2 x 28.0 x 1.5 inches
Dimensions (w/ stand)48.2 x 29.7 x 10.0 inches
Audio
Output (watts)4030
Dolby Atmos
Speakers2.0ch
Gaming
VRR (Variable Refresh Rate)
ALLM
Input lag (ms)910
Display
HDRDolby Vision, HDR10, HLGDolby Vision, HDR10+, HDR10, HLG
Size65 inches55"
TypeOLED evoOLED
Resolution3840 x 21603840 x 2160 (4K)
Refresh rate144Hz120Hz
Brightness (nits)600
Smart TV
OswebOS 25SmartCast (Chromecast built-in)
Voice assistantThinQ AI, Alexa, Google AssistantGoogle Assistant, Alexa
Processor
Chipsetα9 AI Gen8
Connectivity
Wi-FiWi-Fi 6EWi-Fi 6
Ethernet
Bluetooth5.15.0
USB ports31
HDMI ports44

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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.

Explore more in tvs, see all LG products or all Vizio products. View full details for the LG C5 OLED 65" or the Vizio OLED 55".