Sony X77L 55" vs Sony X90L 65"
The Verdict
Sony's X90L 65" represents a significant step up from the X77L 55", justified by its substantially higher price point. Picture quality differences are dramatic: the X90L delivers 1300 nits of brightness versus 400 nits, paired with Full Array LED backlighting and Dolby Vision support for superior contrast and color accuracy. Gaming performance heavily favors the X90L with 120Hz native refresh rate, variable refresh rate support, and 8ms input lag compared to the X77L's 60Hz and 15ms. Audio includes Dolby Atmos on the X90L only. Performance-wise, the Cognitive Processor XR outperforms the X1 4K HDR chip. However, the X77L remains an attractive option for budget-conscious buyers seeking solid 4K performance in a more compact 55" form. For serious movie enthusiasts and gamers with adequate space, the X90L's superior contrast, brightness, and 120Hz capabilities justify its premium. Casual viewers on tighter budgets should consider the X77L.
Who Should Buy
Buy the Sony X77L 55" if…
- →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
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
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
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 | Sony X77L 55" | Sony X90L 65" |
|---|---|---|
| Body | ||
| VESA mount | 200 x 200mm | 300 x 300mm |
| Weight | 27.6 lbs | 48.5 lbs |
| Dimensions (w/ stand) | 48.5 x 30.9 x 10.6 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) | 15 | 8 |
| Display | ||
| HDR | HDR10, HLG | Dolby Vision, HDR10, HLG |
| Size | 55" | 65" |
| Type | LED | Full Array LED |
| Resolution | 3840 x 2160 (4K UHD) | 3840 x 2160 (4K UHD) |
| Refresh rate | 60Hz | 120Hz (native) |
| Brightness (nits) | 400 | 1300 |
| Smart TV | ||
| Os | Google TV | Google TV |
| Voice assistant | Google Assistant, Alexa, Apple AirPlay 2 | Google Assistant, Alexa, Apple AirPlay 2 |
| Processor | ||
| Chipset | X1 4K HDR Processor | Cognitive Processor XR |
| Connectivity | ||
| Wi-Fi | Wi-Fi 5 (802.11ac) | Wi-Fi 5 (802.11ac) |
| Ethernet | ||
| Bluetooth | 5.0 | 5.0 |
| USB ports | 2 | 2 |
| HDMI ports | 4 | 4 |
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.
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