LG OLED77C5PUA vs Sony XR55A90J
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Choosing between the LG OLED77C5PUA and Sony XR55A90J? Both compete in the TV segment. Here’s how they compare across the specs that matter most for your home theater.
Looking at overall performance dimensions: The LG OLED77C5PUA scores higher in value, video quality, future-proofing. The Sony XR55A90J leads in form factor, room fit. They score similarly in gaming performance, ease of use.
On the display side, screen sizes differ at 77" vs 55". Panel technology significantly impacts contrast, color accuracy, and viewing angles.
These two TV options trade wins across different dimensions. The right choice depends on which specs matter most for your room and listening preferences — review the detailed table below to decide.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | $2,199.99 | N/A |
| Screen Size | 77" | 55" |
| Resolution | 4K | 4K |
| Panel Type | WOLED | WOLED |
| Backlight Type | none | none |
| Native Contrast Ratio | Infinite | — |
| HDR Formats | HDR10, Dolby Vision, HLG | |
| Refresh Rate | 120Hz | 120Hz |
| VRR | Yes | Yes |
| VRR Type | FreeSync+G-Sync | VRR |
| ALLM | Yes | Yes |
| Smart OS | webOS | Android TV |
| Speaker Config | 2.2 | — |
| Dolby Atmos (Speakers) | Yes | No |
| HDMI Total Ports | 4 | 4 |
| HDMI 2.1 Ports | 4 | 0 |
| eARC Port | Yes | Yes |
| VESA Pattern | 300x200 | 81x11 |
| Processor | α9 AI Processor 4K Gen8 | Cognitive Processor XR |
| Model Year | — | 2021 |
Key Differences
- VESA Pattern: LG OLED77C5PUA at 300x200 vs Sony XR55A90J at 81x11
- Series Name: LG OLED77C5PUA at C5 vs Sony XR55A90J at A90J
- HDR Formats: LG OLED77C5PUA at HDR10, Dolby Vision, HLG vs Sony XR55A90J at
- Smart OS: LG OLED77C5PUA at webOS vs Sony XR55A90J at Android TV
- USB Ports: LG OLED77C5PUA at 3 vs Sony XR55A90J at 2
Which Should You Choose?
Choose LG OLED77C5PUA if you want:
- + larger screen
- + better hdmi 2.1 ports
- + better depth (w/ stand)
Choose Sony XR55A90J if you want:
- + lighter weight
See Where These Rank
Check our editorial rankings to see how LG OLED77C5PUA and Sony XR55A90J compare to the rest of the field.
Best TV Rankings
