OPPO Find X8 vs REDMI K90 Ultra
67.9Performance64.4
77.1Display78.7
65.5Camera43.4
75.8Battery83.2
84Features86.7
8 spec wins — OPPO Find X84 spec wins — REDMI K90 Ultra
InnoReviews verdict
OPPO Find X8 wins this phone face-off, 72.5 to 69.1, pulling ahead mainly in camera (+22) and performance (+4). REDMI K90 Ultra still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the OPPO Find X8
- Stronger performance score: 68 vs 64
- Stronger camera score: 66 vs 43
- 525% higher ultra-wide: 50 MP vs 8 MP
- 60% higher Front camera: 32 MP vs 20 MP
- 29% higher Peak brightness: 4,500 nits vs 3,500 nits
Reasons to pick the REDMI K90 Ultra
- Stronger battery score: 83 vs 76
- 52% higher capacity: 8,550 mAh vs 5,630 mAh
- 38% higher Refresh rate: 165 Hz vs 120 Hz
- 25% higher Wired charging: 100 W vs 80 W
Display
| Spec | OPPO Find X8 | REDMI K90 Ultra |
|---|---|---|
| Screen size | 6.59 ″ | 6.83 ″+4% |
| Panel type | AMOLED | AMOLED |
| Resolution | 2760x1256 | 1280x2772 |
| Pixel density | 460 ppi+3% | 447 ppi |
| Refresh rate | 120 Hz | 165 Hz+38% |
| Peak brightness | 4,500 nits+29% | 3,500 nits |
| Screen-to-body | 94.3 %+4% | 90.3 % |
Performance
| Spec | OPPO Find X8 | REDMI K90 Ultra |
|---|---|---|
| Chipset | Dimensity 9400 | Snapdragon 8 Elite |
| Geekbench 6 (single) | 2,805Top 18% | — |
| Geekbench 6 (multi) | 8,486Top 16% | — |
| RAM (max) | 16 GB | 16 GB |
| Storage options | 256GB / 512GB / 1TB | 256/512GB |
| Storage type | UFS 4.0 | UFS 4.1 |
Camera
| Spec | OPPO Find X8 | REDMI K90 Ultra |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.8 | f/1.7 |
| Ultra-wide | 50 MP+525% | 8 MP |
| Telephoto | 50 MP | — |
| Optical zoom | 3 x | — |
| Max video | 4K@60fps | 8K@30fps |
| Front camera | 32 MP+60% | 20 MP |
| OIS | Yes | Yes |
Battery
| Spec | OPPO Find X8 | REDMI K90 Ultra |
|---|---|---|
| Capacity | 5,630 mAh | 8,550 mAh+52% |
| Wired charging | 80 W | 100 W+25% |
| Wireless charging | 50 W | — |
Design
| Spec | OPPO Find X8 | REDMI K90 Ultra |
|---|---|---|
| Weight | 193 g+15% | 227 g |
| Thickness | 7.9 mm+4% | 8.2 mm |
| IP rating | IP68/IP69 | IP68/IP69 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | OPPO Find X8 | REDMI K90 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 7 |
| Bluetooth | 5.4 | 5.4 |
| NFC | Yes | Yes |
| USB | USB-C | USB-C |
| eSIM | Yes | No |
Software
| Spec | OPPO Find X8 | REDMI K90 Ultra |
|---|---|---|
| OS at launch | Android 15 (ColorOS 15) | Android 16 (HyperOS 3) |
| OS update pledge | 5 years | — |
Audio
| Spec | OPPO Find X8 | REDMI K90 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |