Redmi 15 vs Samsung Galaxy S25 Ultra
21.8Performance80
50.5Display66.7
29Camera74
66.7Battery65.8
28Features94.7
3 spec wins — Redmi 1514 spec wins — Samsung Galaxy S25 Ultra
InnoReviews verdict
Samsung Galaxy S25 Ultra wins this phone face-off, 74.8 to 38.6, pulling ahead mainly in features (+67) and performance (+58). 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
- 40% higher capacity: 7,000 mAh vs 5,000 mAh
- 20% higher Refresh rate: 144 Hz vs 120 Hz
Reasons to pick the Samsung Galaxy S25 Ultra
- Stronger performance score: 80 vs 22
- Stronger display score: 67 vs 51
- Stronger camera score: 74 vs 29
- Stronger features score: 95 vs 28
- 539% higher Geekbench 6 (single): 3,030 vs 474
Display
| Spec | Redmi 15 | Samsung Galaxy S25 Ultra |
|---|---|---|
| Screen size | 6.9 ″ | 6.9 ″ |
| Panel type | IPS LCD | Dynamic LTPO AMOLED 2X |
| Resolution | 1080x2340 | 1440x3120 |
| Pixel density | 374 ppi | 498 ppi+33% |
| Refresh rate | 144 Hz+20% | 120 Hz |
| Peak brightness | 850 nits | 2,600 nits+206% |
| Screen-to-body | — | 92.5 % |
Performance
| Spec | Redmi 15 | Samsung Galaxy S25 Ultra |
|---|---|---|
| Chipset | Snapdragon 685 | Snapdragon 8 Elite for Galaxy |
| AnTuTu | — | 2,787,981Top 21% |
| AnTuTu 11 (CPU) | — | 895,141Top 11% |
| AnTuTu 11 (GPU) | — | 989,555Top 21% |
| AnTuTu 11 (Memory) | — | 348,188Top 27% |
| AnTuTu 11 (UX) | — | 555,097Top 27% |
| Geekbench 6 (single) | 474Bottom 9% | 3,030+539%Top 13% |
| Geekbench 6 (multi) | 1,620Bottom 10% | 9,800+505%Top 8% |
| Wild Life Extreme stability | 99 %Top 39% | — |
| RAM (max) | 8 GB | 16 GB+100% |
| Storage options | 128/256GB | 256/512GB/1TB |
| Storage type | UFS 2.2 | UFS 4.0 |
Camera
| Spec | Redmi 15 | Samsung Galaxy S25 Ultra |
|---|---|---|
| Main camera | 50 MP | 200 MP+300% |
| Main aperture | f/1.8 | f/1.7 |
| Ultra-wide | — | 50 MP |
| Telephoto | — | 50 MP |
| Optical zoom | — | 5 x |
| Max video | 1080p@30fps | 8K@30fps |
| Front camera | 8 MP | 12 MP+50% |
| OIS | No | Yes |
Battery
| Spec | Redmi 15 | Samsung Galaxy S25 Ultra |
|---|---|---|
| Capacity | 7,000 mAh+40% | 5,000 mAh |
| Wired charging | 33 W | 45 W+36% |
| Wireless charging | — | 15 W |
| Active use endurance | — | 13 h |
Design
| Spec | Redmi 15 | Samsung Galaxy S25 Ultra |
|---|---|---|
| Weight | 214 g+2% | 218 g |
| Thickness | 8.4 mm | 8.2 mm+2% |
| IP rating | IP64 | IP68 |
| Frame material | Plastic | Titanium |
Connectivity
| Spec | Redmi 15 | Samsung Galaxy S25 Ultra |
|---|---|---|
| 5G | No | Yes |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 7 |
| Bluetooth | 5.0 | 5.4 |
| NFC | Yes | Yes |
| USB | USB-C 2.0 | USB-C 3.2 |
| eSIM | No | Yes |
Software
| Spec | Redmi 15 | Samsung Galaxy S25 Ultra |
|---|---|---|
| OS at launch | Android 15 (HyperOS 2) | Android 15 (One UI 7) |
| OS update pledge | 2 years | 7 years+250% |
Audio
| Spec | Redmi 15 | Samsung Galaxy S25 Ultra |
|---|---|---|
| Stereo speakers | No | Yes |
| 3.5mm jack | No | No |
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