Xiaomi 12 vs Xiaomi 15 Ultra
43.2Performance79.1
47.7Display69.1
47Camera73.2
62.5Battery79
65.3Features78.7
2 spec wins — Xiaomi 1213 spec wins — Xiaomi 15 Ultra
InnoReviews verdict
Xiaomi 15 Ultra wins this phone face-off, 75.9 to 50.9, pulling ahead mainly in performance (+36) and camera (+26). Xiaomi 12 still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the Xiaomi 12
- 20% lower weight: 180 g vs 226 g
- 12% lower thickness: 8.2 mm vs 9.4 mm
- Lower launch price: $749 vs $1,499
Reasons to pick the Xiaomi 15 Ultra
- Stronger performance score: 79 vs 43
- Stronger display score: 69 vs 48
- Stronger camera score: 73 vs 47
- Stronger battery score: 79 vs 63
- Stronger features score: 79 vs 65
Display
| Spec | Xiaomi 12 | Xiaomi 15 Ultra |
|---|---|---|
| Screen size | 6.28 ″ | 6.73 ″+7% |
| Panel type | AMOLED | LTPO AMOLED |
| Resolution | 2400x1080 | 1440x3200 |
| Pixel density | 419 ppi | 522 ppi+25% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,100 nits | 3,200 nits+191% |
| Screen-to-body | — | 90 % |
Performance
| Spec | Xiaomi 12 | Xiaomi 15 Ultra |
|---|---|---|
| Chipset | Snapdragon 8 Gen 1 | Snapdragon 8 Elite |
| AnTuTu 10 | 1,150,000Top 37% | 2,650,000+130%Top 4% |
| Geekbench 6 (single) | 1,720Top 43% | 3,050+77%Top 7% |
| Geekbench 6 (multi) | 4,300Top 45% | 9,600+123%Top 5% |
| RAM (max) | 8 GB | 16 GB+100% |
| Storage options | 128GB / 256GB | 256/512GB/1TB |
| Storage type | UFS 3.1 | UFS 4.1 |
Camera
| Spec | Xiaomi 12 | Xiaomi 15 Ultra |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.9 | f/1.63 |
| Ultra-wide | 13 MP | 50 MP+285% |
| Telephoto | — | 200 MP |
| Optical zoom | — | 4.3 x |
| Max video | 8K@24fps | 8K@30fps |
| Front camera | 32 MP | 32 MP |
| OIS | Yes | Yes |
Battery
| Spec | Xiaomi 12 | Xiaomi 15 Ultra |
|---|---|---|
| Capacity | 4,500 mAh | 5,410 mAh+20% |
| Wired charging | 67 W | 90 W+34% |
| Wireless charging | 50 W | 80 W+60% |
| Active use endurance | — | 12 h |
Design
| Spec | Xiaomi 12 | Xiaomi 15 Ultra |
|---|---|---|
| Weight | 180 g+20% | 226 g |
| Thickness | 8.2 mm+12% | 9.4 mm |
| IP rating | — | IP68 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | Xiaomi 12 | Xiaomi 15 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 7 |
| Bluetooth | 5.2 | 6.0 |
| NFC | Yes | Yes |
| USB | USB-C 2.0 | USB-C 3.2 |
| eSIM | No | Yes |
Software
| Spec | Xiaomi 12 | Xiaomi 15 Ultra |
|---|---|---|
| OS at launch | Android 12 (MIUI 13) | Android 15 (HyperOS 2) |
| OS update pledge | 3 years | 4 years+33% |
Audio
| Spec | Xiaomi 12 | Xiaomi 15 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |