Nothing Phone (3a) vs Xiaomi 15 Ultra
35.1Performance79.1
58.8Display69.1
54.7Camera73.2
59.2Battery79
73.3Features78.7
3 spec wins — Nothing Phone (3a)15 spec wins — Xiaomi 15 Ultra
InnoReviews verdict
Xiaomi 15 Ultra wins this phone face-off, 75.9 to 52.4, pulling ahead mainly in performance (+44) and battery (+20). Nothing Phone (3a) 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 (3a)
- 11% lower weight: 201 g vs 226 g
- 10% lower thickness: 8.4 mm vs 9.4 mm
- Lower launch price: $379 vs $1,499
Reasons to pick the Xiaomi 15 Ultra
- Stronger performance score: 79 vs 35
- Stronger display score: 69 vs 59
- Stronger camera score: 73 vs 55
- Stronger battery score: 79 vs 59
- Stronger features score: 79 vs 73
Display
| Spec | Nothing Phone (3a) | Xiaomi 15 Ultra |
|---|---|---|
| Screen size | 6.77 ″+1% | 6.73 ″ |
| Panel type | AMOLED | LTPO AMOLED |
| Resolution | 1080x2392 | 1440x3200 |
| Pixel density | 387 ppi | 522 ppi+35% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 3,000 nits | 3,200 nits+7% |
| Screen-to-body | 87.4 % | 90 %+3% |
Performance
| Spec | Nothing Phone (3a) | Xiaomi 15 Ultra |
|---|---|---|
| Chipset | Snapdragon 7s Gen 3 | Snapdragon 8 Elite |
| AnTuTu 10 | 800,000 | 2,650,000+231% |
| Geekbench 6 (single) | 1,150 | 3,050+165% |
| Geekbench 6 (multi) | 3,250 | 9,600+195% |
| RAM (max) | 12 GB | 16 GB+33% |
| Storage options | 128/256GB | 256/512GB/1TB |
| Storage type | UFS 2.2 | UFS 4.1 |
Camera
| Spec | Nothing Phone (3a) | Xiaomi 15 Ultra |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.88 | f/1.63 |
| Ultra-wide | 8 MP | 50 MP+525% |
| Telephoto | 50 MP | 200 MP+300% |
| Optical zoom | 2 x | 4.3 x+115% |
| Max video | 4K@30fps | 8K@30fps |
| Front camera | 32 MP | 32 MP |
| OIS | Yes | Yes |
Battery
| Spec | Nothing Phone (3a) | Xiaomi 15 Ultra |
|---|---|---|
| Capacity | 5,000 mAh | 5,410 mAh+8% |
| Wired charging | 50 W | 90 W+80% |
| Wireless charging | 0 W | 80 W |
| Active use endurance | 11 h | 12 h+9% |
Design
| Spec | Nothing Phone (3a) | Xiaomi 15 Ultra |
|---|---|---|
| Weight | 201 g+11% | 226 g |
| Thickness | 8.4 mm+10% | 9.4 mm |
| IP rating | IP64 | IP68 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | Nothing Phone (3a) | Xiaomi 15 Ultra |
|---|---|---|
| 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 | Yes | Yes |
Software
| Spec | Nothing Phone (3a) | Xiaomi 15 Ultra |
|---|---|---|
| OS at launch | Android 15 (Nothing OS 3.1) | Android 15 (HyperOS 2) |
| OS update pledge | 3 years | 4 years+33% |
Audio
| Spec | Nothing Phone (3a) | Xiaomi 15 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
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