realme 15 Pro 5G vs Samsung Galaxy S21 Ultra
27.4Performance37.2
88.3Display56.3
58.6Camera72
79.8Battery46.4
73.3Features78.7
8 spec wins — realme 15 Pro 5G4 spec wins — Samsung Galaxy S21 Ultra
InnoReviews verdict
realme 15 Pro 5G wins this phone face-off, 60.9 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 15 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
- 317% higher ultra-wide: 50 MP vs 12 MP
- 220% higher Wired charging: 80 W vs 25 W
Reasons to pick the Samsung Galaxy S21 Ultra
- Stronger performance score: 37 vs 27
- Stronger camera score: 72 vs 59
- Stronger features score: 79 vs 73
- 116% higher Main camera: 108 MP vs 50 MP
- 18% higher Geekbench 6 (single): 1,430 vs 1,213
Display
| Spec | realme 15 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 15 Pro 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Chipset | Qualcomm Snapdragon 7 Gen 4 | Samsung Exynos 2100 |
| AnTuTu | — | 783,817Bottom 19% |
| AnTuTu 11 (CPU) | — | 263,424Bottom 14% |
| AnTuTu 11 (GPU) | — | 126,989Bottom 29% |
| AnTuTu 11 (Memory) | — | 165,563Bottom 31% |
| AnTuTu 11 (UX) | — | 227,841Bottom 17% |
| Geekbench 6 (single) | 1,213Bottom 46% | 1,430+18%Top 48% |
| Geekbench 6 (multi) | 3,507Bottom 48% | 3,550+1%Bottom 48% |
| RAM (max) | 12 GB | 12 GB |
| Storage options | 128/256/512GB | 128GB / 256GB / 512GB |
| Storage type | UFS 3.1 | UFS 3.1 |
Camera
| Spec | realme 15 Pro 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Main camera | 50 MP | 108 MP+116% |
| Main aperture | f/1.8 | f/1.8 |
| Ultra-wide | 50 MP+317% | 12 MP |
| 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 15 Pro 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Capacity | 7,000 mAh+40% | 5,000 mAh |
| Wired charging | 80 W+220% | 25 W |
| Wireless charging | — | 15 W |
Design
| Spec | realme 15 Pro 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Weight | 187 g+18% | 228 g |
| Thickness | 7.8 mm+12% | 8.9 mm |
| IP rating | IP66/IP68/IP69 | IP68 |
| Frame material | — | Aluminum |
Connectivity
| Spec | realme 15 Pro 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 6E |
| Bluetooth | 5.4 | 5.2 |
| NFC | — | Yes |
| USB | USB Type-C | USB-C 3.2 |
| eSIM | — | Yes |
Software
| Spec | realme 15 Pro 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| OS at launch | Android 15 (realme UI 6.0) | Android 11 (One UI 3.1) |
| OS update pledge | — | 4 years |
Audio
| Spec | realme 15 Pro 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
Related comparisons
realme 15 Pro 5Gvs Huawei Mate X7VSrealme 15 Pro 5Gvs POCO F6 ProVSrealme 15 Pro 5Gvs Huawei nova 15 ProVSrealme 15 Pro 5Gvs OPPO K15VSSamsung Galaxy S21 Ultravs realme P4 Power 5GVSSamsung Galaxy S21 Ultravs Motorola Edge 50 ProVSSamsung Galaxy S21 Ultravs iPhone 16eVSSamsung Galaxy S21 Ultravs OPPO Reno13VS