realme 12 5G vs REDMI K90 Ultra
28.9Performance64.4
46.6Display78.7
33.9Camera43.4
52.5Battery83.2
86.7Features86.7
4 spec wins — realme 12 5G10 spec wins — REDMI K90 Ultra
InnoReviews verdict
REDMI K90 Ultra wins this phone face-off, 69.1 to 43.9, pulling ahead mainly in performance (+36) and display (+32). realme 12 5G still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the realme 12 5G
- 116% higher Main camera: 108 MP vs 50 MP
- 17% lower weight: 188 g vs 227 g
- Has 3.5mm jack — the other doesn't
Reasons to pick the REDMI K90 Ultra
- Stronger performance score: 64 vs 29
- Stronger display score: 79 vs 47
- Stronger camera score: 43 vs 34
- Stronger battery score: 83 vs 53
- 268% higher Peak brightness: 3,500 nits vs 950 nits
Display
| Spec | realme 12 5G | REDMI K90 Ultra |
|---|---|---|
| Screen size | 6.72 ″ | 6.83 ″+2% |
| Panel type | IPS LCD | AMOLED |
| Resolution | 1080x2400 | 1280x2772 |
| Pixel density | 392 ppi | 447 ppi+14% |
| Refresh rate | 120 Hz | 165 Hz+38% |
| Peak brightness | 950 nits | 3,500 nits+268% |
| Screen-to-body | 86.5 % | 90.3 %+4% |
Performance
| Spec | realme 12 5G | REDMI K90 Ultra |
|---|---|---|
| Chipset | MediaTek Dimensity 6100+ | Snapdragon 8 Elite |
| RAM (max) | 8 GB | 16 GB+100% |
| Storage options | 128/256/512GB | 256/512GB |
| Storage type | — | UFS 4.1 |
Camera
| Spec | realme 12 5G | REDMI K90 Ultra |
|---|---|---|
| Main camera | 108 MP+116% | 50 MP |
| Main aperture | f/1.75 | f/1.7 |
| Ultra-wide | — | 8 MP |
| Max video | 1080p@30fps | 8K@30fps |
| Front camera | 8 MP | 20 MP+150% |
| OIS | No | Yes |
Battery
| Spec | realme 12 5G | REDMI K90 Ultra |
|---|---|---|
| Capacity | 5,000 mAh | 8,550 mAh+71% |
| Wired charging | 45 W | 100 W+122% |
| Wireless charging | 0 W | — |
Design
| Spec | realme 12 5G | REDMI K90 Ultra |
|---|---|---|
| Weight | 188 g+17% | 227 g |
| Thickness | 7.7 mm+6% | 8.2 mm |
| IP rating | IP54 | IP68/IP69 |
| Frame material | — | Aluminum |
Connectivity
| Spec | realme 12 5G | REDMI K90 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 7 |
| Bluetooth | 5.2 | 5.4 |
| NFC | Yes | Yes |
| USB | USB Type-C 2.0 | USB-C |
| eSIM | — | No |
Software
| Spec | realme 12 5G | REDMI K90 Ultra |
|---|---|---|
| OS at launch | Android 14 (realme UI 5.0) | Android 16 (HyperOS 3) |
Audio
| Spec | realme 12 5G | REDMI K90 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | Yes | No |