REDMI Note 15 5G vs Samsung Galaxy S21
35.3Performance34.4
64Display49.1
48.3Camera40.8
57.4Battery36.9
70.7Features78.7
8 spec wins — REDMI Note 15 5G7 spec wins — Samsung Galaxy S21
InnoReviews verdict
REDMI Note 15 5G wins this phone face-off, 51.6 to 43.6, pulling ahead mainly in battery (+21) and display (+15). Samsung Galaxy S21 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 5G
- Stronger display score: 64 vs 49
- Stronger camera score: 48 vs 41
- Stronger battery score: 57 vs 37
- 800% higher Main camera: 108 MP vs 12 MP
- 146% higher Peak brightness: 3,200 nits vs 1,300 nits
Reasons to pick the Samsung Galaxy S21
- Stronger features score: 79 vs 71
- 50% higher ultra-wide: 12 MP vs 8 MP
- 41% higher Geekbench 6 (single): 1,430 vs 1,017
- 20% higher Geekbench 6 (multi): 3,550 vs 2,963
- Has eSIM — the other doesn't
Display
| Spec | REDMI Note 15 5G | Samsung Galaxy S21 |
|---|---|---|
| Screen size | 6.77 ″+9% | 6.2 ″ |
| Panel type | AMOLED | AMOLED |
| Resolution | 1080x2392 | 2400x1080 |
| Pixel density | 388 ppi | 421 ppi+9% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 3,200 nits+146% | 1,300 nits |
| Screen-to-body | 92 % | — |
Performance
| Spec | REDMI Note 15 5G | Samsung Galaxy S21 |
|---|---|---|
| Chipset | Snapdragon 6 Gen 3 | Samsung Exynos 2100 |
| AnTuTuDifferent AnTuTu versions — not compared | 857,561 | 746,547Bottom 16% |
| AnTuTu 11 (CPU) | — | 252,025Bottom 10% |
| AnTuTu 11 (GPU) | — | 127,819Bottom 31% |
| AnTuTu 11 (Memory) | — | 144,909Bottom 14% |
| AnTuTu 11 (UX) | — | 221,794Bottom 15% |
| Geekbench 6 (single) | 1,017Bottom 32% | 1,430+41%Top 48% |
| Geekbench 6 (multi) | 2,963Bottom 38% | 3,550+20%Bottom 48% |
| Wild Life Extreme stability | 100 %Top 13% | — |
| RAM (max) | 12 GB+50% | 8 GB |
| Storage options | 128/256/512GB | 128GB / 256GB |
| Storage type | UFS 2.2 | UFS 3.1 |
Camera
| Spec | REDMI Note 15 5G | Samsung Galaxy S21 |
|---|---|---|
| Main camera | 108 MP+800% | 12 MP |
| Main aperture | f/1.7 | f/1.8 |
| Ultra-wide | 8 MP | 12 MP+50% |
| Telephoto | — | 64 MP |
| Max video | 4K@30fps | 8K@24fps |
| Front camera | 20 MP+100% | 10 MP |
| OIS | Yes | Yes |
Battery
| Spec | REDMI Note 15 5G | Samsung Galaxy S21 |
|---|---|---|
| Capacity | 5,520 mAh+38% | 4,000 mAh |
| Wired charging | 45 W+80% | 25 W |
| Wireless charging | 0 W | 15 W |
Design
| Spec | REDMI Note 15 5G | Samsung Galaxy S21 |
|---|---|---|
| Weight | 178 g | 171 g+4% |
| Thickness | 7.4 mm+7% | 7.9 mm |
| IP rating | IP65/IP66 | IP68 |
| Frame material | Plastic | Aluminum |
Connectivity
| Spec | REDMI Note 15 5G | Samsung Galaxy S21 |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 6 |
| Bluetooth | 5.1 | 5.0 |
| NFC | Yes | Yes |
| USB | USB-C 2.0 | USB-C 3.2 |
| eSIM | No | Yes |
Software
| Spec | REDMI Note 15 5G | Samsung Galaxy S21 |
|---|---|---|
| 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 5G | Samsung Galaxy S21 |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |