realme P3 Ultra 5G vs Samsung Galaxy S21
30.6Performance34.4
59.2Display49.1
42.6Camera40.8
81.4Battery36.9
86.7Features78.7
10 spec wins — realme P3 Ultra 5G4 spec wins — Samsung Galaxy S21
InnoReviews verdict
realme P3 Ultra 5G wins this phone face-off, 54.5 to 43.6, pulling ahead mainly in battery (+45) and display (+10). Samsung Galaxy S21 still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the realme P3 Ultra 5G
- Stronger display score: 59 vs 49
- Stronger battery score: 81 vs 37
- Stronger features score: 87 vs 79
- 317% higher Main camera: 50 MP vs 12 MP
- 220% higher Wired charging: 80 W vs 25 W
Reasons to pick the Samsung Galaxy S21
- Stronger performance score: 34 vs 31
- 50% higher ultra-wide: 12 MP vs 8 MP
- 12% higher Geekbench 6 (single): 1,430 vs 1,274
Display
| Spec | realme P3 Ultra 5G | Samsung Galaxy S21 |
|---|---|---|
| Screen size | 6.83 ″+10% | 6.2 ″ |
| Panel type | AMOLED | AMOLED |
| Resolution | 1272x2800 | 2400x1080 |
| Pixel density | 450 ppi+7% | 421 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,500 nits+15% | 1,300 nits |
| Screen-to-body | 93.8 % | — |
Performance
| Spec | realme P3 Ultra 5G | Samsung Galaxy S21 |
|---|---|---|
| Chipset | MediaTek Dimensity 8350 Ultra | Samsung Exynos 2100 |
| AnTuTu | — | 746,547Bottom 18% |
| AnTuTu 11 (CPU) | — | 252,025Bottom 14% |
| AnTuTu 11 (GPU) | — | 127,819Bottom 35% |
| AnTuTu 11 (Memory) | — | 144,909Bottom 16% |
| AnTuTu 11 (UX) | — | 221,794Bottom 18% |
| 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+50% | 8 GB |
| Storage options | 128/256/512GB | 128GB / 256GB |
| Storage type | UFS 3.1 | UFS 3.1 |
Camera
| Spec | realme P3 Ultra 5G | Samsung Galaxy S21 |
|---|---|---|
| Main camera | 50 MP+317% | 12 MP |
| Main aperture | f/1.8 | f/1.8 |
| Ultra-wide | 8 MP | 12 MP+50% |
| Telephoto | — | 64 MP |
| Max video | 4K@60fps | 8K@24fps |
| Front camera | 16 MP+60% | 10 MP |
| OIS | Yes | Yes |
Battery
| Spec | realme P3 Ultra 5G | Samsung Galaxy S21 |
|---|---|---|
| Capacity | 6,000 mAh+50% | 4,000 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 |
|---|---|---|
| Weight | 183 g | 171 g+7% |
| Thickness | 7.4 mm+7% | 7.9 mm |
| IP rating | IP66/IP68/IP69 | IP68 |
| Frame material | Plastic | Aluminum |
Connectivity
| Spec | realme P3 Ultra 5G | Samsung Galaxy S21 |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 6 |
| Bluetooth | 5.4 | 5.0 |
| NFC | Yes | Yes |
| USB | USB Type-C | USB-C 3.2 |
| eSIM | — | Yes |
Software
| Spec | realme P3 Ultra 5G | Samsung Galaxy S21 |
|---|---|---|
| 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 |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
Related comparisons
realme P3 Ultra 5Gvs Huawei nova 14VSrealme P3 Ultra 5Gvs Xiaomi 13TVSrealme P3 Ultra 5Gvs Redmi Note 14 Pro+VSrealme P3 Ultra 5Gvs OnePlus Nord CE5VSSamsung Galaxy S21vs Infinix HOT 50 Pro+VSSamsung Galaxy S21vs Samsung Galaxy M35 5GVSSamsung Galaxy S21vs TECNO POVA Slim 5GVSSamsung Galaxy S21vs Moto G55 5GVS