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SONY K-55S31H vs K-55XR50 Comparison
Side by side
K-55S31H K-55XR50
- K-55XR50 uses Mini LED full-array local dimming and the XR Processor; K-55S31H uses Direct LED with Frame Dimming and the 4K HDR Processor X1.
- K-55XR50 has a 120Hz panel and two HDMI ports supporting 4K 120fps, VRR and ALLM. K-55S31H has a 50Hz panel and specifies ALLM support; 4K 120fps and VRR support are not specified.
- K-55XR50 provides 40W audio output with Acoustic Multi-Audio and X-Balanced Speaker technology; K-55S31H specifies 10W + 10W output with X-Balanced Speaker technology.
| 項目/item | K-55S31H | K-55XR50 |
| Screen size | 55 inches | |
| Diagonal screen size | 139 cm | |
| Resolution | 3840 × 2160 (4K Ultra HD) | |
| Image processor | 4K HDR Processor X1 | XR Processor |
| Backlight and dimming | Direct LED with Frame Dimming | Mini LED Direct Full Array Local Dimming with XR Backlight Master Drive |
| Color technology | TRILUMINOS PRO | XR Triluminos Pro |
| Color reproduction | Over one billion colors | |
| Panel refresh rate | 50Hz | 120Hz |
| Motion processing | Motionflow XR 400 | XR Motion Clarity |
| Upscaling technology | 4K X-Reality PRO; upscales 2K or Full HD content toward native 4K clarity | Not specified |
| Listed HDR formats | HDR10, HLG, Dolby Vision | Dolby Vision |
| Speaker technology | X-Balanced Speaker | Acoustic Multi-Audio and X-Balanced Speaker |
| Audio output | 10W + 10W | 40W (10W + 10W + 10W + 10W) |
| Dolby Atmos capability | Supported when connected to compatible devices via HDMI eARC | Supported |
| External sound-system integration | Not specified | Compatible with BRAVIA Theatre products for 360 Spatial Sound Mapping |
| Smart TV platform | Google TV | |
| Advertised content access | Over 700,000 movies and TV episodes | Over 400,000 movies and shows |
| Voice-search methods | Remote or built-in microphone | Not specified |
| Mobile streaming technologies | Chromecast built-in and Apple AirPlay | Not specified |
| PlayStation 5 optimizations | Auto HDR Tone Mapping and Auto Genre Picture Mode | |
| HDMI ports | 4 | |
| HDMI version | HDMI 2.1 support | |
| HDMI ports supporting 4K 120fps | Not specified | 2 |
| Variable Refresh Rate support | ❌ Not specified | ✅ |
| Auto Low Latency Mode support | ✅ | |
| HDMI eARC support | ✅ | ❌ Not specified |
| USB ports | 2 | |
| Ethernet ports | 1 | Not specified |
| Wi-Fi | Wi-Fi 6 (802.11ax) | Wi-Fi 6E |
| Bluetooth version | 5.3 | |
| Storage | Not specified | 32GB |
| Gaming interface | Not specified | Game Menu 2 with centralized game settings and YouTube Multi-View while playing |
| Stand configuration | Not specified | 2-way flexible stand: standard or raised position to accommodate a soundbar |
| Dimensions without stand | Approx. 1233 × 713 × 72 mm | Not specified |
| Dimensions with stand | Approx. 1233 × 784 × 334 mm | Not specified |
| VESA mounting hole pitch | 300 × 300 mm | Not specified |
| Recycled plastic construction | ❌ Not specified | ✅ |
| Energy-management interface | Not specified | Eco Dashboard 2 |
| Energy label grade | Grade 4 | |
| Annual energy consumption | 158 kWh | 151 kWh |
| Energy efficiency index | 0.29 | 0.27 |
| Country of manufacture | Malaysia | |
| Warranty | 3-year original warranty | Not specified |
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