REDMI K90 Ultra vs Sony Xperia 1 VIII
64.4Performance64.4
78.7Display65.7
43.4Camera48.4
83.2Battery49.1
86.7Features70.7
7 spec wins — REDMI K90 Ultra3 spec wins — Sony Xperia 1 VIII
InnoReviews verdict
REDMI K90 Ultra wins this phone face-off, 69.1 to 59, pulling ahead mainly in battery (+34) and features (+16). Sony Xperia 1 VIII still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the REDMI K90 Ultra
- Stronger display score: 79 vs 66
- Stronger battery score: 83 vs 49
- Stronger features score: 87 vs 71
- 233% higher Wired charging: 100 W vs 30 W
- 71% higher capacity: 8,550 mAh vs 5,000 mAh
Reasons to pick the Sony Xperia 1 VIII
- Stronger camera score: 48 vs 43
- 500% higher ultra-wide: 48 MP vs 8 MP
- 12% lower weight: 200 g vs 227 g
- Has 3.5mm jack — the other doesn't
Display
| Spec | REDMI K90 Ultra | Sony Xperia 1 VIII |
|---|---|---|
| Screen size | 6.83 ″+5% | 6.5 ″ |
| Panel type | AMOLED | LTPO OLED |
| Resolution | 1280x2772 | 1080x2340 |
| Pixel density | 447 ppi | — |
| Refresh rate | 165 Hz+38% | 120 Hz |
| Peak brightness | 3,500 nits | — |
| Screen-to-body | 90.3 % | — |
Performance
| Spec | REDMI K90 Ultra | Sony Xperia 1 VIII |
|---|---|---|
| Chipset | Snapdragon 8 Elite | Snapdragon 8 Elite Gen 5 |
| RAM (max) | 16 GB | 16 GB |
| Storage options | 256/512GB | 256GB/512GB/1TB |
| Storage type | UFS 4.1 | UFS 4.1 |
Camera
| Spec | REDMI K90 Ultra | Sony Xperia 1 VIII |
|---|---|---|
| Main camera | 50 MP+4% | 48 MP |
| Main aperture | f/1.7 | f/1.9 |
| Ultra-wide | 8 MP | 48 MP+500% |
| Telephoto | — | 48 MP |
| Optical zoom | — | 2.9 x |
| Max video | 8K@30fps | — |
| Front camera | 20 MP+67% | 12 MP |
| OIS | Yes | — |
Battery
| Spec | REDMI K90 Ultra | Sony Xperia 1 VIII |
|---|---|---|
| Capacity | 8,550 mAh+71% | 5,000 mAh |
| Wired charging | 100 W+233% | 30 W |
| Wireless charging | — | 15 W |
Design
| Spec | REDMI K90 Ultra | Sony Xperia 1 VIII |
|---|---|---|
| Weight | 227 g | 200 g+12% |
| Thickness | 8.2 mm+1% | 8.3 mm |
| IP rating | IP68/IP69 | IP65/IP68 |
| Frame material | Aluminum | — |
Connectivity
| Spec | REDMI K90 Ultra | Sony Xperia 1 VIII |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 5.4 | 6.0 |
| NFC | Yes | Yes |
| USB | USB-C | USB-C 3.2 |
| eSIM | No | — |
Software
| Spec | REDMI K90 Ultra | Sony Xperia 1 VIII |
|---|---|---|
| OS at launch | Android 16 (HyperOS 3) | Android 16 |
| OS update pledge | — | 4 years |
Audio
| Spec | REDMI K90 Ultra | Sony Xperia 1 VIII |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | Yes |

