Samsung S90C 55" (4K OLED) vs Sony X90L 65"
The Verdict
Samsung's S90C delivers exceptional picture quality through its QD-OLED panel, which produces perfect blacks, superior contrast, and wider viewing angles compared to Sony's Full Array LED technology. Peak brightness reaches 1300 nits on both models, but the S90C's self-emissive pixels eliminate blooming and provide cleaner highlights. Sony's X90L compensates with a larger 65-inch screen versus the S90C's 55 inches, offering more immersive viewing at a $500 lower price point. Gaming performance slightly favors Samsung with 6ms input lag and 144Hz Game Mode support versus Sony's 8ms lag, though both handle VRR and ALLM competently. Audio specs differ noticeably: Samsung's 40-watt, 2.1-channel system outpaces Sony's 20-watt, 2.0-channel setup. Sony's Google TV and Cognitive Processor XR provide reliable smart features, while Samsung's Tizen OS matches functionality. For videophiles prioritizing contrast and pixel-perfect gaming, the S90C justifies its premium pricing. Budget-conscious buyers wanting maximum screen real estate will appreciate the X90L's value proposition, though accepting LCD limitations. The choice depends on whether you value premium panel technology or screen size with better value.
Who Should Buy
Buy the Samsung S90C 55" (4K OLED) if…
- →QD-OLED at $1,599 is the most affordable OLED with quantum dot color
- →Infinite contrast ratio with perfect black levels
- →144Hz with VRR — excellent for PS5 and Xbox Series X gaming
Buy the Sony X90L 65" if…
- →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
Category Scores
Pros & Cons
Samsung S90C 55" (4K OLED)
Pros
- QD-OLED at $1,599 is the most affordable OLED with quantum dot color
- Infinite contrast ratio with perfect black levels
- 144Hz with VRR — excellent for PS5 and Xbox Series X gaming
- Vivid, wide color gamut coverage exceeds traditional WOLED
- Ultra-slim panel at 0.4 inches looks stunning mounted
Cons
- 55-inch S90C uses a different (WOLED) panel in some regions — verify before buying
- No Dolby Vision support
- 40W audio is weaker than the S95C — soundbar recommended
- Wi-Fi 5 only on the 55-inch model
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
Full Specifications
| Spec | Samsung S90C 55" (4K OLED) | Sony X90L 65" |
|---|---|---|
| Body | ||
| VESA mount | 300 x 300mm | 300 x 300mm |
| Weight | 33.5 lbs | 48.5 lbs |
| Dimensions | 48.2 x 27.7 x 0.4 inches | — |
| Dimensions (w/ stand) | 48.2 x 30.2 x 9.3 inches | 57.3 x 35.6 x 11.4 inches |
| Audio | ||
| Output (watts) | 40 | 20 |
| Speakers | 2.1ch | 2.0ch Acoustic Multi-Audio |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 6 | 8 |
| Display | ||
| HDR | Quantum HDR OLED, HDR10+, HLG | Dolby Vision, HDR10, HLG |
| Size | 55" | 65" |
| Type | QD-OLED | Full Array LED |
| Resolution | 3840 x 2160 (4K) | 3840 x 2160 (4K UHD) |
| Refresh rate | 120Hz (144Hz via Game Mode) | 120Hz (native) |
| Brightness (nits) | 1300 | 1300 |
| Smart TV | ||
| Os | Tizen OS | Google TV |
| Voice assistant | Bixby, Alexa, Google Assistant | Google Assistant, Alexa, Apple AirPlay 2 |
| Connectivity | ||
| Wi-Fi | Wi-Fi 5 | Wi-Fi 5 (802.11ac) |
| Ethernet | ||
| Bluetooth | 5.2 | 5.0 |
| USB ports | 2 | 2 |
| HDMI ports | 4 | 4 |
| Processor | ||
| Chipset | — | Cognitive Processor XR |
Want to compare a third product?
Add another product for a 3-way comparison.
Related Comparisons
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 Samsung products or all Sony products. View full details for the Samsung S90C 55" (4K OLED) or the Sony X90L 65".