REDMI Note 15 Pro 5G vs Samsung Galaxy S21 Ultra
35.5Performance37.2
65.3Display56.3
52.2Camera72
67.3Battery46.4
100Features78.7
11 spec wins — REDMI Note 15 Pro 5G7 spec wins — Samsung Galaxy S21 Ultra
InnoReviews verdict
REDMI Note 15 Pro 5G wins this phone face-off, 57.6 to 53.9, pulling ahead mainly in features (+21) and battery (+21). Samsung Galaxy S21 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 Note 15 Pro 5G
- Stronger display score: 65 vs 56
- Stronger battery score: 67 vs 46
- Stronger features score: 100 vs 79
- 113% higher Peak brightness: 3,200 nits vs 1,500 nits
- 85% higher Main camera: 200 MP vs 108 MP
Reasons to pick the Samsung Galaxy S21 Ultra
- Stronger camera score: 72 vs 52
- 100% higher Front camera: 40 MP vs 20 MP
- 50% higher ultra-wide: 12 MP vs 8 MP
- 36% higher Geekbench 6 (single): 1,430 vs 1,050
- 21% higher Geekbench 6 (multi): 3,550 vs 2,939
Display
| Spec | REDMI Note 15 Pro 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Screen size | 6.83 ″ | 6.8 ″ |
| Panel type | AMOLED | LTPO AMOLED |
| Resolution | 1280x2772 | 3200x1440 |
| Pixel density | 447 ppi | 515 ppi+15% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 3,200 nits+113% | 1,500 nits |
| Screen-to-body | 90 % | — |
Performance
| Spec | REDMI Note 15 Pro 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Chipset | MediaTek Dimensity 7400 Ultra | Samsung Exynos 2100 |
| AnTuTu 11 | 876,387+12%Bottom 32% | 783,817Bottom 22% |
| AnTuTu 11 (CPU) | 317,490+21%Bottom 30% | 263,424Bottom 17% |
| AnTuTu 11 (GPU) | 117,275Bottom 31% | 126,989+8%Bottom 33% |
| AnTuTu 11 (Memory) | 169,096+2%Bottom 36% | 165,563Bottom 35% |
| AnTuTu 11 (UX) | 272,526+20%Bottom 39% | 227,841Bottom 20% |
| Geekbench 6 (single) | 1,050Bottom 37% | 1,430+36%Top 46% |
| Geekbench 6 (multi) | 2,939Bottom 37% | 3,550+21%Bottom 50% |
| Wild Life Extreme stability | 100 %Top 3% | — |
| RAM (max) | 12 GB | 12 GB |
| Storage options | 256/512GB | 128GB / 256GB / 512GB |
| Storage type | UFS 2.2 | UFS 3.1 |
Camera
| Spec | REDMI Note 15 Pro 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Main camera | 200 MP+85% | 108 MP |
| Main aperture | f/1.7 | f/1.8 |
| Ultra-wide | 8 MP | 12 MP+50% |
| Telephoto | — | 10 MP |
| Optical zoom | — | 10 x |
| Max video | 4K@30fps | 8K@24fps |
| Front camera | 20 MP | 40 MP+100% |
| OIS | Yes | Yes |
Battery
| Spec | REDMI Note 15 Pro 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Capacity | 6,580 mAh+32% | 5,000 mAh |
| Wired charging | 45 W+80% | 25 W |
| Wireless charging | 0 W | 15 W |
Design
| Spec | REDMI Note 15 Pro 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Weight | 210 g+8% | 228 g |
| Thickness | 8 mm+11% | 8.9 mm |
| IP rating | IP66/IP68/IP69/IP69K | IP68 |
| Frame material | Aluminum-alloy reinforced | Aluminum |
Connectivity
| Spec | REDMI Note 15 Pro 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 6E |
| Bluetooth | 5.4 | 5.2 |
| NFC | Yes | Yes |
| USB | USB-C 2.0 | USB-C 3.2 |
| eSIM | Yes | Yes |
Software
| Spec | REDMI Note 15 Pro 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| OS at launch | Android 15 (HyperOS 2) | Android 11 (One UI 3.1) |
| OS update pledge | — | 4 years |
Audio
| Spec | REDMI Note 15 Pro 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
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