realme P4 Pro 5G vs Samsung Galaxy S21 Ultra
27.5Performance37.2
88.3Display56.3
49.8Camera72
79.8Battery46.4
57.3Features78.7
7 spec wins — realme P4 Pro 5G8 spec wins — Samsung Galaxy S21 Ultra
InnoReviews verdict
realme P4 Pro 5G wins this phone face-off, 57.6 to 53.9, pulling ahead mainly in battery (+33) and display (+32). 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 realme P4 Pro 5G
- Stronger display score: 88 vs 56
- Stronger battery score: 80 vs 46
- 333% higher Peak brightness: 6,500 nits vs 1,500 nits
- 220% higher Wired charging: 80 W vs 25 W
- 40% higher capacity: 7,000 mAh vs 5,000 mAh
Reasons to pick the Samsung Galaxy S21 Ultra
- Stronger performance score: 37 vs 28
- Stronger camera score: 72 vs 50
- Stronger features score: 79 vs 57
- 116% higher Main camera: 108 MP vs 50 MP
- 50% higher ultra-wide: 12 MP vs 8 MP
Display
| Spec | realme P4 Pro 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Screen size | 6.8 ″ | 6.8 ″ |
| Panel type | AMOLED | LTPO AMOLED |
| Resolution | 1280x2800 | 3200x1440 |
| Pixel density | 453 ppi | 515 ppi+14% |
| Refresh rate | 144 Hz+20% | 120 Hz |
| Peak brightness | 6,500 nits+333% | 1,500 nits |
| Screen-to-body | 94 % | — |
Performance
| Spec | realme P4 Pro 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Chipset | Qualcomm Snapdragon 7 Gen 4 | 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) | 1,211Bottom 48% | 1,430+18%Top 46% |
| Geekbench 6 (multi) | 3,540Bottom 49% | 3,550Bottom 50% |
| Wild Life Extreme stability | 99 %Top 23% | — |
| RAM (max) | 12 GB | 12 GB |
| Storage options | 128/256GB | 128GB / 256GB / 512GB |
| Storage type | UFS 3.1 | UFS 3.1 |
Camera
| Spec | realme P4 Pro 5G | 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 | 4K@60fps | 8K@24fps |
| Front camera | 50 MP+25% | 40 MP |
| OIS | Yes | Yes |
Battery
| Spec | realme P4 Pro 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Capacity | 7,000 mAh+40% | 5,000 mAh |
| Wired charging | 80 W+220% | 25 W |
| Wireless charging | 0 W | 15 W |
Design
| Spec | realme P4 Pro 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Weight | 189 g+17% | 228 g |
| Thickness | 7.7 mm+14% | 8.9 mm |
| IP rating | IP65/IP66 | IP68 |
| Frame material | — | Aluminum |
Connectivity
| Spec | realme P4 Pro 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 6E |
| Bluetooth | 5.4 | 5.2 |
| NFC | No | Yes |
| USB | USB Type-C | USB-C 3.2 |
| eSIM | — | Yes |
Software
| Spec | realme P4 Pro 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| OS at launch | Android 15 (realme UI 6.0) | Android 11 (One UI 3.1) |
| OS update pledge | 3 years | 4 years+33% |
Audio
| Spec | realme P4 Pro 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
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