Redmi Note 12 (4G) vs Samsung Galaxy S21 Ultra
26.2Performance37.2
46.9Display56.3
30.1Camera72
47.8Battery46.4
28Features78.7
4 spec wins — Redmi Note 12 (4G)15 spec wins — Samsung Galaxy S21 Ultra
InnoReviews verdict
Samsung Galaxy S21 Ultra wins this phone face-off, 53.9 to 35.6, pulling ahead mainly in features (+51) and camera (+42). Redmi Note 12 (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 12 (4G)
- 32% higher Wired charging: 33 W vs 25 W
- 19% lower weight: 184 g vs 228 g
- 11% lower thickness: 7.9 mm vs 8.9 mm
- Has 3.5mm jack — the other doesn't
- Lower launch price: $199 vs $1,199
Reasons to pick the Samsung Galaxy S21 Ultra
- Stronger performance score: 37 vs 26
- Stronger display score: 56 vs 47
- Stronger camera score: 72 vs 30
- Stronger features score: 79 vs 28
- 208% higher Front camera: 40 MP vs 13 MP
Display
| Spec | Redmi Note 12 (4G) | Samsung Galaxy S21 Ultra |
|---|---|---|
| Screen size | 6.67 ″ | 6.8 ″+2% |
| Panel type | AMOLED | LTPO AMOLED |
| Resolution | 2400x1080 | 3200x1440 |
| Pixel density | 395 ppi | 515 ppi+30% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,200 nits | 1,500 nits+25% |
| AnTuTu 10 (CPU) | — | 263,424Top 88% |
| AnTuTu 10 (GPU) | — | 126,989Top 82% |
| AnTuTu 10 (Memory) | — | 165,563Top 72% |
| AnTuTu 10 (UX) | — | 227,841Top 82% |
Performance
| Spec | Redmi Note 12 (4G) | Samsung Galaxy S21 Ultra |
|---|---|---|
| Chipset | Snapdragon 685 | Samsung Exynos 2100 |
| AnTuTu 10 | 470,000Top 80% | 783,817+67%Top 65% |
| Geekbench 6 (single) | 470Top 92% | 1,430+204%Top 52% |
| Geekbench 6 (multi) | 1,500Top 92% | 3,550+137%Top 56% |
| RAM (max) | 8 GB | 12 GB+50% |
| Storage options | 128GB / 256GB | 128GB / 256GB / 512GB |
| Storage type | UFS 2.2 | UFS 3.1 |
Camera
| Spec | Redmi Note 12 (4G) | Samsung Galaxy S21 Ultra |
|---|---|---|
| Main camera | 50 MP | 108 MP+116% |
| Main aperture | f/1.8 | 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 | 13 MP | 40 MP+208% |
| OIS | No | Yes |
Battery
| Spec | Redmi Note 12 (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 12 (4G) | Samsung Galaxy S21 Ultra |
|---|---|---|
| Weight | 184 g+19% | 228 g |
| Thickness | 7.9 mm+11% | 8.9 mm |
| IP rating | IP53 | IP68 |
| Frame material | Plastic | Aluminum |
Connectivity
| Spec | Redmi Note 12 (4G) | Samsung Galaxy S21 Ultra |
|---|---|---|
| 5G | No | Yes |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 6E |
| Bluetooth | 5.1 | 5.2 |
| NFC | Yes | Yes |
| USB | USB-C 2.0 | USB-C 3.2 |
| eSIM | No | Yes |
Software
| Spec | Redmi Note 12 (4G) | Samsung Galaxy S21 Ultra |
|---|---|---|
| OS at launch | Android 13 (MIUI 14) | Android 11 (One UI 3.1) |
| OS update pledge | 2 years | 4 years+100% |
Audio
| Spec | Redmi Note 12 (4G) | Samsung Galaxy S21 Ultra |
|---|---|---|
| Stereo speakers | No | Yes |
| 3.5mm jack | Yes | No |
Related comparisons
Redmi Note 12 (4G)vs OPPO A78 5GVSRedmi Note 12 (4G)vs Philips S7221 5GVSRedmi Note 12 (4G)vs POCO X5VSRedmi Note 12 (4G)vs Samsung Galaxy A24 (4G)VSSamsung Galaxy S21 Ultravs iPhone 16eVSSamsung Galaxy S21 Ultravs Google Pixel 9aVSSamsung Galaxy S21 Ultravs Honor 400VSSamsung Galaxy S21 Ultravs Nothing Phone (3a) ProVS