Nothing Phone (4a) Pro vs REDMI K90 Ultra
45.1Performance64.4
85.2Display78.7
57.6Camera43.4
71.5Battery83.2
73.3Features86.7
7 spec wins — Nothing Phone (4a) Pro4 spec wins — REDMI K90 Ultra
InnoReviews verdict
REDMI K90 Ultra wins this phone face-off, 69.1 to 63.7, pulling ahead mainly in performance (+19) and features (+13). Nothing Phone (4a) Pro still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the Nothing Phone (4a) Pro
- Stronger display score: 85 vs 79
- Stronger camera score: 58 vs 43
- 60% higher Front camera: 32 MP vs 20 MP
- 43% higher Peak brightness: 5,000 nits vs 3,500 nits
- Has eSIM — the other doesn't
Reasons to pick the REDMI K90 Ultra
- Stronger performance score: 64 vs 45
- Stronger battery score: 83 vs 72
- Stronger features score: 87 vs 73
- 100% higher Wired charging: 100 W vs 50 W
- 68% higher capacity: 8,550 mAh vs 5,080 mAh
Display
| Spec | Nothing Phone (4a) Pro | REDMI K90 Ultra |
|---|---|---|
| Screen size | 6.83 ″ | 6.83 ″ |
| Panel type | AMOLED | AMOLED |
| Resolution | 1260x2800 | 1280x2772 |
| Pixel density | 450 ppi+1% | 447 ppi |
| Refresh rate | 144 Hz | 165 Hz+15% |
| Peak brightness | 5,000 nits+43% | 3,500 nits |
| Screen-to-body | 93.9 %+4% | 90.3 % |
Performance
| Spec | Nothing Phone (4a) Pro | REDMI K90 Ultra |
|---|---|---|
| Chipset | Snapdragon 7 Gen 4 | Snapdragon 8 Elite |
| AnTuTu | 1,469,717 | — |
| Geekbench 6 (single) | 1,334Top 50% | — |
| Geekbench 6 (multi) | 4,170Top 46% | — |
| Wild Life Extreme stability | 99 %Top 37% | — |
| RAM (max) | 12 GB | 16 GB+33% |
| Storage options | 128GB/256GB | 256/512GB |
| Storage type | UFS 3.1 | UFS 4.1 |
Camera
| Spec | Nothing Phone (4a) Pro | REDMI K90 Ultra |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.9 | f/1.7 |
| Ultra-wide | 8 MP | 8 MP |
| Telephoto | 50 MP | — |
| Optical zoom | 3.5 x | — |
| Max video | 4K@60fps | 8K@30fps |
| Front camera | 32 MP+60% | 20 MP |
| OIS | Yes | Yes |
Battery
| Spec | Nothing Phone (4a) Pro | REDMI K90 Ultra |
|---|---|---|
| Capacity | 5,080 mAh | 8,550 mAh+68% |
| Wired charging | 50 W | 100 W+100% |
| Wireless charging | 0 W | — |
| Active use endurance | 15.3 h | — |
Design
| Spec | Nothing Phone (4a) Pro | REDMI K90 Ultra |
|---|---|---|
| Weight | 210 g+7% | 227 g |
| Thickness | 7.9 mm+4% | 8.2 mm |
| IP rating | IP65 | IP68/IP69 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | Nothing Phone (4a) Pro | 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 2.0 | USB-C |
| eSIM | Yes | No |
Software
| Spec | Nothing Phone (4a) Pro | REDMI K90 Ultra |
|---|---|---|
| OS at launch | Android 16 (Nothing OS 4.1) | Android 16 (HyperOS 3) |
| OS update pledge | 3 years | — |
Audio
| Spec | Nothing Phone (4a) Pro | REDMI K90 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
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