Samsung Galaxy M55 5G vs Samsung Galaxy S21
46.7Performance34.4
46.8Display49.1
49.8Camera40.8
52.5Battery36.9
70.7Features78.7
7 spec wins — Samsung Galaxy M55 5G5 spec wins — Samsung Galaxy S21
InnoReviews verdict
Samsung Galaxy M55 5G wins this phone face-off, 50.9 to 43.6, pulling ahead mainly in battery (+16) 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 Samsung Galaxy M55 5G
- Stronger performance score: 47 vs 34
- Stronger camera score: 50 vs 41
- Stronger battery score: 53 vs 37
- 400% higher Front camera: 50 MP vs 10 MP
- 317% higher Main camera: 50 MP vs 12 MP
Reasons to pick the Samsung Galaxy S21
- Stronger features score: 79 vs 71
- 50% higher ultra-wide: 12 MP vs 8 MP
- 30% higher Peak brightness: 1,300 nits vs 1,000 nits
- Has eSIM — the other doesn't
Display
| Spec | Samsung Galaxy M55 5G | Samsung Galaxy S21 |
|---|---|---|
| Screen size | 6.7 ″+8% | 6.2 ″ |
| Panel type | Super AMOLED+ | AMOLED |
| Resolution | 1080x2400 | 2400x1080 |
| Pixel density | 393 ppi | 421 ppi+7% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,000 nits | 1,300 nits+30% |
| Screen-to-body | 86.4 % | — |
Performance
| Spec | Samsung Galaxy M55 5G | Samsung Galaxy S21 |
|---|---|---|
| Chipset | Qualcomm Snapdragon 7 Gen 1 | 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) | 12 GB+50% | 8 GB |
| Storage options | 128/256GB | 128GB / 256GB |
| Storage type | — | UFS 3.1 |
Camera
| Spec | Samsung Galaxy M55 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@30fps | 8K@24fps |
| Front camera | 50 MP+400% | 10 MP |
| OIS | Yes | Yes |
Battery
| Spec | Samsung Galaxy M55 5G | Samsung Galaxy S21 |
|---|---|---|
| Capacity | 5,000 mAh+25% | 4,000 mAh |
| Wired charging | 45 W+80% | 25 W |
| Wireless charging | — | 15 W |
Design
| Spec | Samsung Galaxy M55 5G | Samsung Galaxy S21 |
|---|---|---|
| Weight | 180 g | 171 g+5% |
| Thickness | 7.8 mm+1% | 7.9 mm |
| IP rating | — | IP68 |
| Frame material | Plastic | Aluminum |
Connectivity
| Spec | Samsung Galaxy M55 5G | Samsung Galaxy S21 |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 6 |
| Bluetooth | 5.2 | 5.0 |
| NFC | Yes | Yes |
| USB | USB-C 2.0 | USB-C 3.2 |
| eSIM | No | Yes |
Software
| Spec | Samsung Galaxy M55 5G | Samsung Galaxy S21 |
|---|---|---|
| OS at launch | Android 14 (One UI 6.1) | Android 11 (One UI 3.1) |
| OS update pledge | 4 years | 4 years |
Audio
| Spec | Samsung Galaxy M55 5G | Samsung Galaxy S21 |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
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