realme P3 5G vs Samsung Galaxy S21 Ultra
25.7Performance37.2
58.2Display56.3
30.7Camera72
61.9Battery46.4
73.3Features78.7
5 spec wins — realme P3 5G8 spec wins — Samsung Galaxy S21 Ultra
InnoReviews verdict
Samsung Galaxy S21 Ultra wins this phone face-off, 53.9 to 45.2, pulling ahead mainly in camera (+41) and performance (+12). realme P3 5G 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 5G
- Stronger battery score: 62 vs 46
- 80% higher Wired charging: 45 W vs 25 W
- 33% higher Peak brightness: 2,000 nits vs 1,500 nits
- 20% higher capacity: 6,000 mAh vs 5,000 mAh
- 15% lower weight: 194 g vs 228 g
Reasons to pick the Samsung Galaxy S21 Ultra
- Stronger performance score: 37 vs 26
- Stronger camera score: 72 vs 31
- Stronger features score: 79 vs 73
- 150% higher Front camera: 40 MP vs 16 MP
- 116% higher Main camera: 108 MP vs 50 MP
Display
| Spec | realme P3 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Screen size | 6.67 ″ | 6.8 ″+2% |
| Panel type | AMOLED | LTPO AMOLED |
| Resolution | 1080x2400 | 3200x1440 |
| Pixel density | 395 ppi | 515 ppi+30% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 2,000 nits+33% | 1,500 nits |
| Screen-to-body | 92.7 % | — |
Performance
| Spec | realme P3 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Chipset | Qualcomm Snapdragon 6 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) | 1,091Bottom 42% | 1,430+31%Top 46% |
| Geekbench 6 (multi) | 3,099Bottom 42% | 3,550+15%Bottom 50% |
| RAM (max) | 12 GB | 12 GB |
| Storage options | 128/256GB | 128GB / 256GB / 512GB |
| Storage type | UFS 2.2 | UFS 3.1 |
Camera
| Spec | realme P3 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Main camera | 50 MP | 108 MP+116% |
| Main aperture | f/1.8 | f/1.8 |
| Ultra-wide | — | 12 MP |
| Telephoto | — | 10 MP |
| Optical zoom | — | 10 x |
| Max video | 4K@30fps | 8K@24fps |
| Front camera | 16 MP | 40 MP+150% |
| OIS | No | Yes |
Battery
| Spec | realme P3 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Capacity | 6,000 mAh+20% | 5,000 mAh |
| Wired charging | 45 W+80% | 25 W |
| Wireless charging | — | 15 W |
Design
| Spec | realme P3 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Weight | 194 g+15% | 228 g |
| Thickness | 8 mm+10% | 8.9 mm |
| IP rating | IP66/IP68/IP69 | IP68 |
| Frame material | — | Aluminum |
Connectivity
| Spec | realme P3 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 6E |
| Bluetooth | 5.2 | 5.2 |
| NFC | No | Yes |
| USB | USB Type-C | USB-C 3.2 |
| eSIM | — | Yes |
Software
| Spec | realme P3 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| OS at launch | Android 15 | Android 11 (One UI 3.1) |
| OS update pledge | — | 4 years |
Audio
| Spec | realme P3 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
Related comparisons
realme P3 5Gvs OPPO Reno12 F 5GVSrealme P3 5Gvs Samsung Galaxy S21 FE 5GVSrealme P3 5Gvs TECNO CAMON 30S ProVSrealme P3 5Gvs realme C85 ProVSSamsung Galaxy S21 Ultravs realme P4 Power 5GVSSamsung Galaxy S21 Ultravs TECNO POVA Curve 2 5GVSSamsung Galaxy S21 Ultravs Motorola Edge 50 ProVSSamsung Galaxy S21 Ultravs iPhone 16eVS