Nothing Phone (4a) vs Xiaomi 15
40.4Performance76.7
69.8Display64.5
57.6Camera64.7
67.4Battery83.5
65.3Features78.7
4 spec wins — Nothing Phone (4a)12 spec wins — Xiaomi 15
InnoReviews verdict
Xiaomi 15 wins this phone face-off, 73.4 to 57.6, pulling ahead mainly in performance (+36) and battery (+16). 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
- 41% higher Peak brightness: 4,500 nits vs 3,200 nits
- 35% higher Optical zoom: 3.5 x vs 2.6 x
- 12% higher Wild Life Extreme stability: 99 % vs 89 %
Reasons to pick the Xiaomi 15
- Stronger performance score: 77 vs 40
- Stronger camera score: 65 vs 58
- Stronger battery score: 84 vs 67
- Stronger features score: 79 vs 65
- 525% higher ultra-wide: 50 MP vs 8 MP
Display
| Spec | Nothing Phone (4a) | Xiaomi 15 |
|---|---|---|
| Screen size | 6.78 ″+7% | 6.36 ″ |
| Panel type | AMOLED | LTPO AMOLED |
| Resolution | 1224x2720 | 1200x2670 |
| Pixel density | 440 ppi | 460 ppi+5% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 4,500 nits+41% | 3,200 nits |
| Screen-to-body | 87.2 % | — |
Performance
| Spec | Nothing Phone (4a) | Xiaomi 15 |
|---|---|---|
| Chipset | Snapdragon 7s Gen 4 | Snapdragon 8 Elite |
| AnTuTuDifferent AnTuTu versions — not compared | 1,183,775 | 2,914,100Top 17% |
| AnTuTu 11 (CPU) | — | 874,340Top 14% |
| AnTuTu 11 (GPU) | — | 1,069,991Top 17% |
| AnTuTu 11 (Memory) | — | 379,667Top 20% |
| AnTuTu 11 (UX) | — | 590,102Top 20% |
| Geekbench 6 (single) | 1,279Bottom 50% | 2,972+132%Top 15% |
| Geekbench 6 (multi) | 3,374Bottom 47% | 9,330+177%Top 12% |
| Wild Life Extreme stability | 99 %+12%Top 23% | 89 %Top 50% |
| RAM (max) | 12 GB | 12 GB |
| Storage options | 128GB/256GB | 256/512GB |
| Storage type | UFS 3.1 | UFS 4.0 |
Camera
| Spec | Nothing Phone (4a) | Xiaomi 15 |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.9 | f/1.62 |
| Ultra-wide | 8 MP | 50 MP+525% |
| Telephoto | 50 MP | 50 MP |
| Optical zoom | 3.5 x+35% | 2.6 x |
| Max video | 4K@30fps | 8K@30fps |
| Front camera | 32 MP | 32 MP |
| OIS | Yes | Yes |
Battery
| Spec | Nothing Phone (4a) | Xiaomi 15 |
|---|---|---|
| Capacity | 5,080 mAh | 5,240 mAh+3% |
| Wired charging | 50 W | 90 W+80% |
| Wireless charging | 0 W | 50 W |
| Active use endurance | 13.6 h | 16.5 h+21% |
Design
| Spec | Nothing Phone (4a) | Xiaomi 15 |
|---|---|---|
| Weight | 205 g | 191 g+7% |
| Thickness | 8.6 mm | 8.1 mm+6% |
| IP rating | IP64 | IP68 |
| Frame material | Plastic | Aluminum |
Connectivity
| Spec | Nothing Phone (4a) | Xiaomi 15 |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 7 |
| Bluetooth | 5.4 | 6.0 |
| NFC | Yes | Yes |
| USB | USB-C 2.0 | USB-C 3.2 |
| eSIM | No | Yes |
Software
| Spec | Nothing Phone (4a) | Xiaomi 15 |
|---|---|---|
| OS at launch | Android 16 (Nothing OS 4.1) | Android 15 (HyperOS 2) |
| OS update pledge | 3 years | 4 years+33% |
Audio
| Spec | Nothing Phone (4a) | Xiaomi 15 |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |