POCO M8x 5G vs Samsung Galaxy S21
20Performance34.4
50.5Display49.1
29Camera40.8
71.3Battery36.9
62.7Features78.7
5 spec wins — POCO M8x 5G6 spec wins — Samsung Galaxy S21
InnoReviews verdict
This one is close to a dead heat: POCO M8x 5G scores 42.4 against 43.6 for Samsung Galaxy S21. Pick by the categories that matter to you — Samsung Galaxy S21 edges ahead in features and performance, or by price.
Which would you pick?
Key differences
Reasons to pick the POCO M8x 5G
- Stronger battery score: 71 vs 37
- 317% higher Main camera: 50 MP vs 12 MP
- 98% higher capacity: 7,900 mAh vs 4,000 mAh
- 80% higher Wired charging: 45 W vs 25 W
- 11% higher Screen size: 6.9 ″ vs 6.2 ″
- Lower launch price: $170 vs $799
Reasons to pick the Samsung Galaxy S21
- Stronger performance score: 34 vs 20
- Stronger camera score: 41 vs 29
- Stronger features score: 79 vs 63
- 66% higher Pixel density: 421 ppi vs 254 ppi
- 33% higher RAM (max): 8 GB vs 6 GB
Display
| Spec | POCO M8x 5G | Samsung Galaxy S21 |
|---|---|---|
| Screen size | 6.9 ″+11% | 6.2 ″ |
| Panel type | LCD | AMOLED |
| Resolution | 720x1600 | 2400x1080 |
| Pixel density | 254 ppi | 421 ppi+66% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | — | 1,300 nits |
Performance
| Spec | POCO M8x 5G | Samsung Galaxy S21 |
|---|---|---|
| Chipset | Qualcomm Snapdragon 4 Gen 5 | 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) | — | 1,430Top 46% |
| Geekbench 6 (multi) | — | 3,550Bottom 50% |
| RAM (max) | 6 GB | 8 GB+33% |
| Storage options | 128GB | 128GB / 256GB |
| Storage type | UFS 2.2 | UFS 3.1 |
Camera
| Spec | POCO M8x 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 | — | 8K@24fps |
| Front camera | 8 MP | 10 MP+25% |
| OIS | — | Yes |
Battery
| Spec | POCO M8x 5G | Samsung Galaxy S21 |
|---|---|---|
| Capacity | 7,900 mAh+98% | 4,000 mAh |
| Wired charging | 45 W+80% | 25 W |
| Wireless charging | 0 W | 15 W |
Design
| Spec | POCO M8x 5G | Samsung Galaxy S21 |
|---|---|---|
| Weight | 232 g | 171 g+26% |
| Thickness | 8.8 mm | 7.9 mm+10% |
| IP rating | IP64 | IP68 |
| Frame material | — | Aluminum |
Connectivity
| Spec | POCO M8x 5G | Samsung Galaxy S21 |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | — | Wi-Fi 6 |
| Bluetooth | 5.1 | 5.0 |
| NFC | — | Yes |
| USB | — | USB-C 3.2 |
| eSIM | — | Yes |
Software
| Spec | POCO M8x 5G | Samsung Galaxy S21 |
|---|---|---|
| OS at launch | Android 16 (HyperOS 3) | Android 11 (One UI 3.1) |
| OS update pledge | 4 years | 4 years |
Audio
| Spec | POCO M8x 5G | Samsung Galaxy S21 |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | Yes | No |
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