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Samsung CU8000 55" vs Sony X77L 55"

Both 55-inch 4K TVs offer solid budget-friendly performance, but serve different priorities. Samsung's CU8000 excels with HDR10+ support and its Crystal UHD LED panel delivers punchy contrast at 300 nits, plus it includes an extra USB port for streaming devices. Sony's X77L counters with superior brightness at 400 nits, a more powerful X1 4K HDR processor for better upscaling, and Google TV's superior app ecosystem compared to Tizen. Input lag is nearly identical (12ms vs 15ms). Audio specs match at 20W 2.0ch without Dolby Atmos. Connectivity favors Sony with an additional HDMI port and USB slot. At $150 less, the Samsung delivers impressive value for content consumption and casual gaming. However, Sony's superior processor, brighter display, and Google TV ecosystem justify the premium for discerning buyers prioritizing picture processing and smart features. Choose Samsung for budget consciousness; select Sony for premium features and content quality.

Samsung CU8000 55"
Samsung
Samsung CU8000 55"
$399
7.6/10
VS
Sony X77L 55"
Sony
Sony X77L 55"
$549
8.1/10
Winner

Full Specifications

SpecSamsung CU8000 55"Sony X77L 55"
Body
VESA mount200 x 200mm200 x 200mm
Weight27.1 lbs27.6 lbs
Dimensions (w/ stand)48.8 x 30.8 x 8.8 inches48.5 x 30.9 x 10.6 inches
Audio
Output (watts)2020
Speakers2.0ch2.0ch
Dolby Atmos
Gaming
VRR (Variable Refresh Rate)
ALLM
Input lag (ms)1215
Display
HDRHDR10+, HLGHDR10, HLG
Size55"55"
TypeCrystal UHD LEDLED
Resolution3840 x 2160 (4K UHD)3840 x 2160 (4K UHD)
Refresh rate60Hz60Hz
Brightness (nits)300400
Smart TV
OsTizen OSGoogle TV
Voice assistantBixby, AlexaGoogle Assistant, Alexa, Apple AirPlay 2
Processor
ChipsetCrystal Processor 4KX1 4K HDR Processor
Connectivity
Wi-FiWi-Fi 5 (802.11ac)Wi-Fi 5 (802.11ac)
Ethernet
Bluetooth5.25.0
USB ports12
HDMI ports34

Category Scores

Samsung CU8000 55"
Sony X77L 55"
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Pros & Cons

Samsung CU8000 55"

Pros

  • Very affordable entry into Samsung's 4K smart TV lineup
  • HDR10+ support improves contrast in compatible content
  • Tizen OS is a mature, full-featured smart TV platform
  • Lightweight and easy to wall-mount at 27 lbs
  • Crystal Processor 4K provides decent upscaling from 1080p

Cons

  • 60Hz panel — no 120Hz for smooth gaming or sports
  • Low peak brightness limits HDR impact
  • No VRR or HDMI 2.1 — poor for next-gen consoles
  • 20W speakers sound thin — a soundbar is essential

Sony X77L 55"

Pros

  • Sony's color accuracy and motion handling are superior to budget competitors
  • Google TV with Chromecast built-in and Apple AirPlay 2
  • Four HDMI ports are generous at this price
  • Motionflow XR produces smooth motion for sports and movies
  • Clean, minimalist design fits any room

Cons

  • 60Hz panel — not ideal for gaming or fast action
  • No Dolby Vision — surprising for a Sony TV
  • 400-nit brightness is low for HDR content
  • No VRR for next-gen console gaming

Explore more in tvs, see all Samsung products or all Sony products. View full details for the Samsung CU8000 55" or the Sony X77L 55".