OPPO F31 5G vs Redmi K90
28.9Performance84.3
55.2Display65.4
30.7Camera53.1
79.8Battery83.2
52Features86.7
2 spec wins — OPPO F31 5G8 spec wins — Redmi K90
InnoReviews verdict
Redmi K90 wins this phone face-off, 74.3 to 47, pulling ahead mainly in performance (+55) and features (+35). OPPO F31 5G still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the OPPO F31 5G
- 10% lower weight: 185 g vs 206 g
Reasons to pick the Redmi K90
- Stronger performance score: 84 vs 29
- Stronger display score: 65 vs 55
- Stronger camera score: 53 vs 31
- Stronger battery score: 83 vs 80
- Stronger features score: 87 vs 52
Display
| Spec | OPPO F31 5G | Redmi K90 |
|---|---|---|
| Screen size | 6.57 ″ | 6.59 ″ |
| Panel type | AMOLED | AMOLED |
| Resolution | 2372x1080 | 2510x1156 |
| Pixel density | 397 ppi | 419 ppi+6% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,400 nits | 3,500 nits+150% |
| Screen-to-body | 93 %+4% | 89.8 % |
Performance
| Spec | OPPO F31 5G | Redmi K90 |
|---|---|---|
| Chipset | Dimensity 6300 | Snapdragon 8 Elite |
| AnTuTu | — | 3,106,623Top 11% |
| AnTuTu 11 (CPU) | — | 872,376Top 15% |
| AnTuTu 11 (GPU) | — | 1,143,259Top 13% |
| AnTuTu 11 (Memory) | — | 462,601Top 6% |
| AnTuTu 11 (UX) | — | 628,387Top 13% |
| RAM (max) | 8 GB | 16 GB+100% |
| Storage options | 128GB / 256GB | 256GB / 512GB / 1TB |
| Storage type | UFS 2.2 | UFS |
Camera
| Spec | OPPO F31 5G | Redmi K90 |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.8 | f/1.88 |
| Ultra-wide | — | 8 MP |
| Telephoto | — | 50 MP |
| Optical zoom | — | 2.5 x |
| Max video | 1080p@60fps | 8K@30fps |
| Front camera | 16 MP | 20 MP+25% |
| OIS | — | Yes |
Battery
| Spec | OPPO F31 5G | Redmi K90 |
|---|---|---|
| Capacity | 7,000 mAh | 7,100 mAh+1% |
| Wired charging | 80 W | 100 W+25% |
Design
| Spec | OPPO F31 5G | Redmi K90 |
|---|---|---|
| Weight | 185 g+10% | 206 g |
| Thickness | 8 mm | 8 mm |
| IP rating | IP66/IP68/IP69 | IP68 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | OPPO F31 5G | Redmi K90 |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 7 |
| Bluetooth | 5.4 | 5.4 |
| NFC | No | Yes |
| USB | USB-C 2.0 | USB-C |
| eSIM | No | No |
Software
| Spec | OPPO F31 5G | Redmi K90 |
|---|---|---|
| OS at launch | Android 15 (ColorOS 15) | Android 16 (HyperOS 3) |
| OS update pledge | 2 years | — |
Audio
| Spec | OPPO F31 5G | Redmi K90 |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |