Redmi Note 13 (4G) vs Samsung Galaxy S21 Ultra
28.9Performance37.2
50.9Display56.3
35.6Camera72
47.8Battery46.4
46.7Features78.7
5 spec wins — Redmi Note 13 (4G)8 spec wins — Samsung Galaxy S21 Ultra
InnoReviews verdict
Samsung Galaxy S21 Ultra wins this phone face-off, 53.9 to 40.2, pulling ahead mainly in camera (+36) and features (+32). Redmi Note 13 (4G) 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 13 (4G)
- 32% higher Wired charging: 33 W vs 25 W
- 20% higher Peak brightness: 1,800 nits vs 1,500 nits
- 17% lower weight: 189 g vs 228 g
- 10% lower thickness: 8 mm vs 8.9 mm
- Has 3.5mm jack — the other doesn't
Reasons to pick the Samsung Galaxy S21 Ultra
- Stronger performance score: 37 vs 29
- Stronger display score: 56 vs 51
- Stronger camera score: 72 vs 36
- Stronger features score: 79 vs 47
- 150% higher Front camera: 40 MP vs 16 MP
Display
| Spec | Redmi Note 13 (4G) | Samsung Galaxy S21 Ultra |
|---|---|---|
| Screen size | 6.67 ″ | 6.8 ″+2% |
| Panel type | AMOLED | LTPO AMOLED |
| Resolution | 1080x2400 | 3200x1440 |
| Pixel density | 395 ppi | 515 ppi+30% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,800 nits+20% | 1,500 nits |
Performance
| Spec | Redmi Note 13 (4G) | Samsung Galaxy S21 Ultra |
|---|---|---|
| Chipset | Snapdragon 685 | Samsung Exynos 2100 |
| AnTuTu | — | 783,817Bottom 22% |
| AnTuTu 11 (CPU) | — | 263,424Bottom 17% |
| AnTuTu 11 (GPU) | — | 126,989Bottom 33% |
| AnTuTu 11 (Memory) | — | 165,563Bottom 35% |
| AnTuTu 11 (UX) | — | 227,841Bottom 20% |
| Geekbench 6 (single) | — | 1,430Top 46% |
| Geekbench 6 (multi) | — | 3,550Bottom 50% |
| RAM (max) | 8 GB | 12 GB+50% |
| Storage options | 128/256GB | 128GB / 256GB / 512GB |
| Storage type | UFS 2.2 | UFS 3.1 |
Camera
| Spec | Redmi Note 13 (4G) | Samsung Galaxy S21 Ultra |
|---|---|---|
| Main camera | 108 MP | 108 MP |
| Main aperture | f/1.75 | f/1.8 |
| Ultra-wide | 8 MP | 12 MP+50% |
| Telephoto | — | 10 MP |
| Optical zoom | — | 10 x |
| Max video | 1080p@30fps | 8K@24fps |
| Front camera | 16 MP | 40 MP+150% |
| OIS | No | Yes |
Battery
| Spec | Redmi Note 13 (4G) | Samsung Galaxy S21 Ultra |
|---|---|---|
| Capacity | 5,000 mAh | 5,000 mAh |
| Wired charging | 33 W+32% | 25 W |
| Wireless charging | — | 15 W |
Design
| Spec | Redmi Note 13 (4G) | Samsung Galaxy S21 Ultra |
|---|---|---|
| Weight | 189 g+17% | 228 g |
| Thickness | 8 mm+10% | 8.9 mm |
| IP rating | IP54 | IP68 |
| Frame material | Plastic | Aluminum |
Connectivity
| Spec | Redmi Note 13 (4G) | Samsung Galaxy S21 Ultra |
|---|---|---|
| 5G | No | Yes |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 6E |
| Bluetooth | 5.1 | 5.2 |
| NFC | — | Yes |
| USB | USB-C | USB-C 3.2 |
| eSIM | No | Yes |
Software
| Spec | Redmi Note 13 (4G) | Samsung Galaxy S21 Ultra |
|---|---|---|
| OS at launch | Android 13 (MIUI 14) | Android 11 (One UI 3.1) |
| OS update pledge | — | 4 years |
Audio
| Spec | Redmi Note 13 (4G) | Samsung Galaxy S21 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | Yes | No |
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