Samsung CU8000 55" vs Sony X90L 65"
Samsung's CU8000 delivers solid budget 4K performance at an exceptional price point, featuring 4K resolution, HDR10+, and responsive 12ms gaming input lag on a 55-inch panel. Sony's X90L commands premium positioning with a larger 65-inch display, superior brightness at 1300 nits versus 300 nits, native 120Hz refresh rate, full array LED backlighting, Dolby Vision support, and VRR gaming features—all backed by Sony's advanced Cognitive Processor XR. Audio remains comparable at 20 watts across both, though Sony includes Dolby Atmos. The X90L's 8ms input lag slightly edges gaming responsiveness. For budget-conscious buyers seeking basic 4K enjoyment, the CU8000 offers remarkable value. However, those prioritizing picture quality, gaming features, screen size, and future-proofing should invest in the X90L's superior contrast, brightness, and advanced features. The nearly 3x price difference reflects genuine performance gaps rather than brand premium alone.
Full Specifications
| Spec | Samsung CU8000 55" | Sony X90L 65" |
|---|---|---|
| Body | ||
| VESA mount | 200 x 200mm | 300 x 300mm |
| Weight | 27.1 lbs | 48.5 lbs |
| Dimensions (w/ stand) | 48.8 x 30.8 x 8.8 inches | 57.3 x 35.6 x 11.4 inches |
| Audio | ||
| Output (watts) | 20 | 20 |
| Speakers | 2.0ch | 2.0ch Acoustic Multi-Audio |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 12 | 8 |
| Display | ||
| HDR | HDR10+, HLG | Dolby Vision, HDR10, HLG |
| Size | 55" | 65" |
| Type | Crystal UHD LED | Full Array LED |
| Resolution | 3840 x 2160 (4K UHD) | 3840 x 2160 (4K UHD) |
| Refresh rate | 60Hz | 120Hz (native) |
| Brightness (nits) | 300 | 1300 |
| Smart TV | ||
| Os | Tizen OS | Google TV |
| Voice assistant | Bixby, Alexa | Google Assistant, Alexa, Apple AirPlay 2 |
| Processor | ||
| Chipset | Crystal Processor 4K | Cognitive Processor XR |
| Connectivity | ||
| Wi-Fi | Wi-Fi 5 (802.11ac) | Wi-Fi 5 (802.11ac) |
| Ethernet | ||
| Bluetooth | 5.2 | 5.0 |
| USB ports | 1 | 2 |
| HDMI ports | 3 | 4 |
Category Scores
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 X90L 65"
Pros
- Sony's Cognitive Processor XR delivers best-in-class upscaling and color
- Full-array local dimming produces excellent contrast for an LED TV
- Dolby Vision and Dolby Atmos support for premium content
- 120Hz with VRR makes it genuinely good for PS5 gaming
- Google TV has the widest app selection of any smart TV platform
Cons
- Blooming visible in dark scenes with bright highlights
- 20W speakers are average despite the Acoustic Multi-Audio branding
- Heavier than competing LED TVs at 48.5 lbs
- Google TV can feel sluggish and ad-heavy on the home screen
Related Comparisons
Explore more in tvs, see all Samsung products or all Sony products. View full details for the Samsung CU8000 55" or the Sony X90L 65".