OPPO A78 5G vs Redmi K90
23.2Performance84.3
35.2Display65.4
29Camera53.1
47.8Battery83.2
60Features86.7
2 spec wins — OPPO A78 5G8 spec wins — Redmi K90
InnoReviews verdict
Redmi K90 wins this phone face-off, 74.3 to 35.4, pulling ahead mainly in performance (+61) and battery (+35). OPPO A78 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 A78 5G
- Has 3.5mm jack — the other doesn't
Reasons to pick the Redmi K90
- Stronger performance score: 84 vs 23
- Stronger display score: 65 vs 35
- Stronger camera score: 53 vs 29
- Stronger battery score: 83 vs 48
- Stronger features score: 87 vs 60
Display
| Spec | OPPO A78 5G | Redmi K90 |
|---|---|---|
| Screen size | 6.56 ″ | 6.59 ″ |
| Panel type | IPS LCD | AMOLED |
| Resolution | 1612x720 | 2510x1156 |
| Pixel density | 269 ppi | 419 ppi+56% |
| Refresh rate | 90 Hz | 120 Hz+33% |
| Peak brightness | — | 3,500 nits |
| Screen-to-body | — | 89.8 % |
Performance
| Spec | OPPO A78 5G | Redmi K90 |
|---|---|---|
| Chipset | MediaTek Dimensity 700 | Snapdragon 8 Elite |
| AnTuTuDifferent AnTuTu versions — not compared | 360,000 | 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% |
| Geekbench 6 (single) | 730Bottom 13% | — |
| Geekbench 6 (multi) | 1,900Bottom 12% | — |
| RAM (max) | 8 GB | 16 GB+100% |
| Storage options | 128GB | 256GB / 512GB / 1TB |
| Storage type | UFS 2.2 | UFS |
Camera
| Spec | OPPO A78 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@30fps | 8K@30fps |
| Front camera | 8 MP | 20 MP+150% |
| OIS | No | Yes |
Battery
| Spec | OPPO A78 5G | Redmi K90 |
|---|---|---|
| Capacity | 5,000 mAh | 7,100 mAh+42% |
| Wired charging | 33 W | 100 W+203% |
Design
| Spec | OPPO A78 5G | Redmi K90 |
|---|---|---|
| Weight | 188 g+9% | 206 g |
| Thickness | 8 mm | 8 mm |
| IP rating | IP54 | IP68 |
| Frame material | Plastic | Aluminum |
Connectivity
| Spec | OPPO A78 5G | Redmi K90 |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 7 |
| Bluetooth | 5.3 | 5.4 |
| NFC | Yes | Yes |
| USB | USB-C 2.0 | USB-C |
| eSIM | No | No |
Software
| Spec | OPPO A78 5G | Redmi K90 |
|---|---|---|
| OS at launch | Android 13 (ColorOS 13) | Android 16 (HyperOS 3) |
| OS update pledge | 2 years | — |
Audio
| Spec | OPPO A78 5G | Redmi K90 |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | Yes | No |