realme P3 Ultra 5G vs Samsung Galaxy S21 Ultra
30.6Performance37.2
59.2Display56.3
42.6Camera72
81.4Battery46.4
86.7Features78.7
6 spec wins — realme P3 Ultra 5G6 spec wins — Samsung Galaxy S21 Ultra
InnoReviews verdict
This one is close to a dead heat: realme P3 Ultra 5G scores 54.5 against 53.9 for Samsung Galaxy S21 Ultra. Pick by the categories that matter to you — realme P3 Ultra 5G edges ahead in battery and features, or by price.
Which would you pick?
Key differences
Reasons to pick the realme P3 Ultra 5G
- Stronger battery score: 81 vs 46
- Stronger features score: 87 vs 79
- 220% higher Wired charging: 80 W vs 25 W
- 20% higher capacity: 6,000 mAh vs 5,000 mAh
- 20% lower weight: 183 g vs 228 g
Reasons to pick the Samsung Galaxy S21 Ultra
- Stronger performance score: 37 vs 31
- Stronger camera score: 72 vs 43
- 150% higher Front camera: 40 MP vs 16 MP
- 116% higher Main camera: 108 MP vs 50 MP
- 50% higher ultra-wide: 12 MP vs 8 MP
Display
| Spec | realme P3 Ultra 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Screen size | 6.83 ″ | 6.8 ″ |
| Panel type | AMOLED | LTPO AMOLED |
| Resolution | 1272x2800 | 3200x1440 |
| Pixel density | 450 ppi | 515 ppi+14% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,500 nits | 1,500 nits |
| Screen-to-body | 93.8 % | — |
Performance
| Spec | realme P3 Ultra 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Chipset | MediaTek Dimensity 8350 Ultra | 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) | 1,274Bottom 50% | 1,430+12%Top 46% |
| Geekbench 6 (multi) | 4,169+17%Top 46% | 3,550Bottom 50% |
| 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 P3 Ultra 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 | 16 MP | 40 MP+150% |
| OIS | Yes | Yes |
Battery
| Spec | realme P3 Ultra 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Capacity | 6,000 mAh+20% | 5,000 mAh |
| Wired charging | 80 W+220% | 25 W |
| Wireless charging | 0 W | 15 W |
| Active use endurance | 16.8 h | — |
Design
| Spec | realme P3 Ultra 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Weight | 183 g+20% | 228 g |
| Thickness | 7.4 mm+17% | 8.9 mm |
| IP rating | IP66/IP68/IP69 | IP68 |
| Frame material | Plastic | Aluminum |
Connectivity
| Spec | realme P3 Ultra 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 6E |
| Bluetooth | 5.4 | 5.2 |
| NFC | Yes | Yes |
| USB | USB Type-C | USB-C 3.2 |
| eSIM | — | Yes |
Software
| Spec | realme P3 Ultra 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 P3 Ultra 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
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