Redmi K100 Pro Max vs Xiaomi 15 Ultra
64.4Performance79.1
83.8Display69.1
78.2Camera73.2
92Battery79
86.7Features78.7
9 spec wins — Redmi K100 Pro Max5 spec wins — Xiaomi 15 Ultra
InnoReviews verdict
Redmi K100 Pro Max wins this phone face-off, 78.8 to 75.9, pulling ahead mainly in display (+15) and battery (+13). Xiaomi 15 Ultra still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the Redmi K100 Pro Max
- Stronger display score: 84 vs 69
- Stronger camera score: 78 vs 73
- Stronger battery score: 92 vs 79
- Stronger features score: 87 vs 79
- 300% higher Main camera: 200 MP vs 50 MP
Reasons to pick the Xiaomi 15 Ultra
- Stronger performance score: 79 vs 64
- 300% higher telephoto: 200 MP vs 50 MP
- 60% higher Wireless charging: 80 W vs 50 W
- 25% higher Pixel density: 522 ppi vs 416 ppi
- Has eSIM — the other doesn't
Display
| Spec | Redmi K100 Pro Max | Xiaomi 15 Ultra |
|---|---|---|
| Screen size | 6.9 ″+3% | 6.73 ″ |
| Panel type | AMOLED | LTPO AMOLED |
| Resolution | 1200x2608 | 1440x3200 |
| Pixel density | 416 ppi | 522 ppi+25% |
| Refresh rate | 185 Hz+54% | 120 Hz |
| Peak brightness | 4,500 nits+41% | 3,200 nits |
| Screen-to-body | 91.5 %+2% | 90 % |
Performance
| Spec | Redmi K100 Pro Max | Xiaomi 15 Ultra |
|---|---|---|
| Chipset | Snapdragon 8 Elite Gen 5 | Snapdragon 8 Elite |
| AnTuTu | — | 2,650,000 |
| Geekbench 6 (single) | — | 3,050Top 12% |
| Geekbench 6 (multi) | — | 9,600Top 11% |
| RAM (max) | 16 GB | 16 GB |
| Storage options | 256/512GB | 256/512GB/1TB |
| Storage type | UFS 4.1 | UFS 4.1 |
Camera
| Spec | Redmi K100 Pro Max | Xiaomi 15 Ultra |
|---|---|---|
| Main camera | 200 MP+300% | 50 MP |
| Main aperture | f/1.7 | f/1.63 |
| Ultra-wide | 50 MP | 50 MP |
| Telephoto | 50 MP | 200 MP+300% |
| Optical zoom | 5 x+16% | 4.3 x |
| Max video | 8K@30fps | 8K@30fps |
| Front camera | 32 MP | 32 MP |
| OIS | Yes | Yes |
Battery
| Spec | Redmi K100 Pro Max | Xiaomi 15 Ultra |
|---|---|---|
| Capacity | 9,070 mAh+68% | 5,410 mAh |
| Wired charging | 100 W+11% | 90 W |
| Wireless charging | 50 W | 80 W+60% |
| Active use endurance | — | 12 h |
Design
| Spec | Redmi K100 Pro Max | Xiaomi 15 Ultra |
|---|---|---|
| Weight | 238 g | 226 g+5% |
| Thickness | 8.5 mm+9% | 9.4 mm |
| IP rating | IP68/IP69 | IP68 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | Redmi K100 Pro Max | Xiaomi 15 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 6.0 | 6.0 |
| NFC | Yes | Yes |
| USB | USB-C | USB-C 3.2 |
| eSIM | No | Yes |
Software
| Spec | Redmi K100 Pro Max | Xiaomi 15 Ultra |
|---|---|---|
| OS at launch | Android 16 (HyperOS 3) | Android 15 (HyperOS 2) |
| OS update pledge | — | 4 years |
Audio
| Spec | Redmi K100 Pro Max | Xiaomi 15 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
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