Nothing Phone (4a) vs Redmi K90
40.4Performance84.3
69.8Display65.4
57.6Camera53.1
67.4Battery83.2
65.3Features86.7
6 spec wins — Nothing Phone (4a)5 spec wins — Redmi K90
InnoReviews verdict
Redmi K90 wins this phone face-off, 74.3 to 57.6, pulling ahead mainly in performance (+44) and features (+21). Nothing Phone (4a) 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)
- Stronger display score: 70 vs 65
- Stronger camera score: 58 vs 53
- 60% higher Front camera: 32 MP vs 20 MP
- 40% higher Optical zoom: 3.5 x vs 2.5 x
- 29% higher Peak brightness: 4,500 nits vs 3,500 nits
Reasons to pick the Redmi K90
- Stronger performance score: 84 vs 40
- Stronger battery score: 83 vs 67
- Stronger features score: 87 vs 65
- 100% higher Wired charging: 100 W vs 50 W
- 40% higher capacity: 7,100 mAh vs 5,080 mAh
Display
| Spec | Nothing Phone (4a) | Redmi K90 |
|---|---|---|
| Screen size | 6.78 ″+3% | 6.59 ″ |
| Panel type | AMOLED | AMOLED |
| Resolution | 1224x2720 | 2510x1156 |
| Pixel density | 440 ppi+5% | 419 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 4,500 nits+29% | 3,500 nits |
| Screen-to-body | 87.2 % | 89.8 %+3% |
Performance
| Spec | Nothing Phone (4a) | Redmi K90 |
|---|---|---|
| Chipset | Snapdragon 7s Gen 4 | Snapdragon 8 Elite |
| AnTuTuDifferent AnTuTu versions — not compared | 1,183,775 | 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) | 1,279Bottom 50% | — |
| Geekbench 6 (multi) | 3,374Bottom 47% | — |
| Wild Life Extreme stability | 99 %Top 23% | — |
| RAM (max) | 12 GB | 16 GB+33% |
| Storage options | 128GB/256GB | 256GB / 512GB / 1TB |
| Storage type | UFS 3.1 | UFS |
Camera
| Spec | Nothing Phone (4a) | Redmi K90 |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.9 | f/1.88 |
| Ultra-wide | 8 MP | 8 MP |
| Telephoto | 50 MP | 50 MP |
| Optical zoom | 3.5 x+40% | 2.5 x |
| Max video | 4K@30fps | 8K@30fps |
| Front camera | 32 MP+60% | 20 MP |
| OIS | Yes | Yes |
Battery
| Spec | Nothing Phone (4a) | Redmi K90 |
|---|---|---|
| Capacity | 5,080 mAh | 7,100 mAh+40% |
| Wired charging | 50 W | 100 W+100% |
| Wireless charging | 0 W | — |
| Active use endurance | 13.6 h | — |
Design
| Spec | Nothing Phone (4a) | Redmi K90 |
|---|---|---|
| Weight | 205 g | 206 g |
| Thickness | 8.6 mm | 8 mm+7% |
| IP rating | IP64 | IP68 |
| Frame material | Plastic | Aluminum |
Connectivity
| Spec | Nothing Phone (4a) | Redmi K90 |
|---|---|---|
| 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 | No | No |
Software
| Spec | Nothing Phone (4a) | Redmi K90 |
|---|---|---|
| OS at launch | Android 16 (Nothing OS 4.1) | Android 16 (HyperOS 3) |
| OS update pledge | 3 years | — |
Audio
| Spec | Nothing Phone (4a) | Redmi K90 |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |