Redmi 15 vs Xiaomi 15 Ultra
21.8Performance79.1
50.5Display69.1
29Camera73.2
66.7Battery79
28Features78.7
5 spec wins — Redmi 1512 spec wins — Xiaomi 15 Ultra
InnoReviews verdict
Xiaomi 15 Ultra wins this phone face-off, 75.9 to 38.6, pulling ahead mainly in performance (+57) and features (+51). Redmi 15 still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the Redmi 15
- 29% higher capacity: 7,000 mAh vs 5,410 mAh
- 20% higher Refresh rate: 144 Hz vs 120 Hz
- 10% lower thickness: 8.4 mm vs 9.4 mm
Reasons to pick the Xiaomi 15 Ultra
- Stronger performance score: 79 vs 22
- Stronger display score: 69 vs 51
- Stronger camera score: 73 vs 29
- Stronger battery score: 79 vs 67
- Stronger features score: 79 vs 28
Display
| Spec | Redmi 15 | Xiaomi 15 Ultra |
|---|---|---|
| Screen size | 6.9 ″+3% | 6.73 ″ |
| Panel type | IPS LCD | LTPO AMOLED |
| Resolution | 1080x2340 | 1440x3200 |
| Pixel density | 374 ppi | 522 ppi+40% |
| Refresh rate | 144 Hz+20% | 120 Hz |
| Peak brightness | 850 nits | 3,200 nits+276% |
| Screen-to-body | — | 90 % |
Performance
| Spec | Redmi 15 | Xiaomi 15 Ultra |
|---|---|---|
| Chipset | Snapdragon 685 | Snapdragon 8 Elite |
| AnTuTu | — | 2,650,000 |
| Geekbench 6 (single) | 474Bottom 10% | 3,050+543%Top 13% |
| Geekbench 6 (multi) | 1,620Bottom 10% | 9,600+493%Top 11% |
| Wild Life Extreme stability | 99 %Top 40% | — |
| RAM (max) | 8 GB | 16 GB+100% |
| Storage options | 128/256GB | 256/512GB/1TB |
| Storage type | UFS 2.2 | UFS 4.1 |
Camera
| Spec | Redmi 15 | Xiaomi 15 Ultra |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.8 | f/1.63 |
| Ultra-wide | — | 50 MP |
| Telephoto | — | 200 MP |
| Optical zoom | — | 4.3 x |
| Max video | 1080p@30fps | 8K@30fps |
| Front camera | 8 MP | 32 MP+300% |
| OIS | No | Yes |
Battery
| Spec | Redmi 15 | Xiaomi 15 Ultra |
|---|---|---|
| Capacity | 7,000 mAh+29% | 5,410 mAh |
| Wired charging | 33 W | 90 W+173% |
| Wireless charging | — | 80 W |
| Active use endurance | — | 12 h |
Design
| Spec | Redmi 15 | Xiaomi 15 Ultra |
|---|---|---|
| Weight | 214 g+5% | 226 g |
| Thickness | 8.4 mm+10% | 9.4 mm |
| IP rating | IP64 | IP68 |
| Frame material | Plastic | Aluminum |
Connectivity
| Spec | Redmi 15 | Xiaomi 15 Ultra |
|---|---|---|
| 5G | No | Yes |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 7 |
| Bluetooth | 5.0 | 6.0 |
| NFC | Yes | Yes |
| USB | USB-C 2.0 | USB-C 3.2 |
| eSIM | No | Yes |
Software
| Spec | Redmi 15 | Xiaomi 15 Ultra |
|---|---|---|
| OS at launch | Android 15 (HyperOS 2) | Android 15 (HyperOS 2) |
| OS update pledge | 2 years | 4 years+100% |
Audio
| Spec | Redmi 15 | Xiaomi 15 Ultra |
|---|---|---|
| Stereo speakers | No | Yes |
| 3.5mm jack | No | No |