REDMI Note 15 Pro+ 5G vs Samsung Galaxy S21 Ultra
37.4Performance37.2
63.7Display56.3
54.7Camera72
78.5Battery46.4
78.7Features78.7
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, 58.5 to 53.9, pulling ahead mainly in battery (+32) and display (+7). 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: 64 vs 56
- Stronger battery score: 79 vs 46
- 300% higher Wired charging: 100 W vs 25 W
- 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 55
- 50% higher ultra-wide: 12 MP vs 8 MP
- 25% higher Front camera: 40 MP vs 32 MP
- 17% higher Geekbench 6 (single): 1,430 vs 1,221
- 15% higher Pixel density: 515 ppi vs 447 ppi
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 |
Performance
| Spec | REDMI Note 15 Pro+ 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Chipset | Qualcomm Snapdragon 7s Gen 4 | Samsung Exynos 2100 |
| AnTuTu 11 | 975,892+25%Bottom 37% | 783,817Bottom 22% |
| AnTuTu 11 (CPU) | 402,002+53%Bottom 41% | 263,424Bottom 17% |
| AnTuTu 11 (GPU) | 111,009Bottom 28% | 126,989+14%Bottom 33% |
| AnTuTu 11 (Memory) | 191,997+16%Bottom 41% | 165,563Bottom 35% |
| AnTuTu 11 (UX) | 270,884+19%Bottom 38% | 227,841Bottom 20% |
| Geekbench 6 (single) | 1,221Bottom 49% | 1,430+17%Top 46% |
| Geekbench 6 (multi) | 3,209Bottom 45% | 3,550+11%Bottom 50% |
| Wild Life Extreme stability | 99 %Top 39% | — |
| 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 | 32 MP | 40 MP+25% |
| OIS | Yes | Yes |
Battery
| Spec | REDMI Note 15 Pro+ 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Capacity | 6,500 mAh+30% | 5,000 mAh |
| Wired charging | 100 W+300% | 25 W |
| Wireless charging | 0 W | 15 W |
Design
| Spec | REDMI Note 15 Pro+ 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Weight | 207 g+9% | 228 g |
| Thickness | 8.2 mm+8% | 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 6E | 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 | 4 years |
Audio
| Spec | REDMI Note 15 Pro+ 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
Related comparisons
REDMI Note 15 Pro+ 5Gvs OPPO A7 Pro Max 5GVSREDMI Note 15 Pro+ 5Gvs OPPO K13 Turbo ProVSREDMI Note 15 Pro+ 5Gvs Google Pixel 8 ProVSREDMI Note 15 Pro+ 5Gvs Samsung Galaxy Z Fold 6VSSamsung Galaxy S21 Ultravs realme P4 Power 5GVSSamsung Galaxy S21 Ultravs TECNO POVA Curve 2 5GVSSamsung Galaxy S21 Ultravs Motorola Edge 50 ProVSSamsung Galaxy S21 Ultravs iPhone 16eVS