realme P4x 5G vs Samsung Galaxy S21
46.6Performance34.4
52.9Display49.1
29Camera40.8
71.3Battery36.9
52Features78.7
9 spec wins — realme P4x 5G9 spec wins — Samsung Galaxy S21
InnoReviews verdict
realme P4x 5G wins this phone face-off, 49.8 to 43.6, pulling ahead mainly in battery (+34) and performance (+12). 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 P4x 5G
- Stronger performance score: 47 vs 34
- Stronger display score: 53 vs 49
- Stronger battery score: 71 vs 37
- 317% higher Main camera: 50 MP vs 12 MP
- 80% higher Wired charging: 45 W vs 25 W
Reasons to pick the Samsung Galaxy S21
- Stronger camera score: 41 vs 29
- Stronger features score: 79 vs 52
- 100% higher OS update pledge: 4 years vs 2 years
- 30% higher Peak brightness: 1,300 nits vs 1,000 nits
- 25% higher Front camera: 10 MP vs 8 MP
Display
| Spec | realme P4x 5G | Samsung Galaxy S21 |
|---|---|---|
| Screen size | 6.72 ″+8% | 6.2 ″ |
| Panel type | IPS LCD | AMOLED |
| Resolution | 1080x2400 | 2400x1080 |
| Pixel density | 391 ppi | 421 ppi+8% |
| Refresh rate | 144 Hz+20% | 120 Hz |
| Peak brightness | 1,000 nits | 1,300 nits+30% |
| Screen-to-body | 86.5 % | — |
Performance
| Spec | realme P4x 5G | Samsung Galaxy S21 |
|---|---|---|
| Chipset | MediaTek Dimensity 7400 Ultra | Samsung Exynos 2100 |
| AnTuTu 11 | 876,440+17%Bottom 33% | 746,547Bottom 18% |
| AnTuTu 11 (CPU) | 342,564+36%Bottom 33% | 252,025Bottom 14% |
| AnTuTu 11 (GPU) | 103,831Bottom 22% | 127,819+23%Bottom 35% |
| AnTuTu 11 (Memory) | 163,676+13%Bottom 33% | 144,909Bottom 16% |
| AnTuTu 11 (UX) | 266,369+20%Bottom 32% | 221,794Bottom 18% |
| Geekbench 6 (single) | — | 1,430Top 46% |
| Geekbench 6 (multi) | — | 3,550Bottom 50% |
| RAM (max) | 8 GB | 8 GB |
| Storage options | 128GB / 256GB | 128GB / 256GB |
| Storage type | UFS 3.1 | UFS 3.1 |
Camera
| Spec | realme P4x 5G | Samsung Galaxy S21 |
|---|---|---|
| Main camera | 50 MP+317% | 12 MP |
| Main aperture | f/1.8 | f/1.8 |
| Ultra-wide | — | 12 MP |
| Telephoto | — | 64 MP |
| Max video | 4K@30fps | 8K@24fps |
| Front camera | 8 MP | 10 MP+25% |
| OIS | No | Yes |
Battery
| Spec | realme P4x 5G | Samsung Galaxy S21 |
|---|---|---|
| Capacity | 7,000 mAh+75% | 4,000 mAh |
| Wired charging | 45 W+80% | 25 W |
| Wireless charging | — | 15 W |
Design
| Spec | realme P4x 5G | Samsung Galaxy S21 |
|---|---|---|
| Weight | 208 g | 171 g+18% |
| Thickness | 8.4 mm | 7.9 mm+6% |
| IP rating | IP64 | IP68 |
| Frame material | Plastic | Aluminum |
Connectivity
| Spec | realme P4x 5G | Samsung Galaxy S21 |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 6 |
| Bluetooth | 5.4 | 5.0 |
| NFC | No | Yes |
| USB | USB Type-C | USB-C 3.2 |
| eSIM | — | Yes |
Software
| Spec | realme P4x 5G | Samsung Galaxy S21 |
|---|---|---|
| OS at launch | Android 15 (realme UI 6.0) | Android 11 (One UI 3.1) |
| OS update pledge | 2 years | 4 years+100% |
Audio
| Spec | realme P4x 5G | Samsung Galaxy S21 |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
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