Samsung Galaxy M55 5G vs Samsung Galaxy S21 Ultra
46.7Performance37.2
46.8Display56.3
49.8Camera72
52.5Battery46.4
70.7Features78.7
4 spec wins — Samsung Galaxy M55 5G6 spec wins — Samsung Galaxy S21 Ultra
InnoReviews verdict
Samsung Galaxy S21 Ultra wins this phone face-off, 53.9 to 50.9, pulling ahead mainly in camera (+22) and display (+10). Samsung Galaxy M55 5G 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 37
- Stronger battery score: 53 vs 46
- 80% higher Wired charging: 45 W vs 25 W
- 25% higher Front camera: 50 MP vs 40 MP
- 21% lower weight: 180 g vs 228 g
Reasons to pick the Samsung Galaxy S21 Ultra
- Stronger display score: 56 vs 47
- Stronger camera score: 72 vs 50
- Stronger features score: 79 vs 71
- 116% higher Main camera: 108 MP vs 50 MP
- 50% higher Peak brightness: 1,500 nits vs 1,000 nits
Display
| Spec | Samsung Galaxy M55 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Screen size | 6.7 ″ | 6.8 ″+1% |
| Panel type | Super AMOLED+ | LTPO AMOLED |
| Resolution | 1080x2400 | 3200x1440 |
| Pixel density | 393 ppi | 515 ppi+31% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,000 nits | 1,500 nits+50% |
| Screen-to-body | 86.4 % | — |
Performance
| Spec | Samsung Galaxy M55 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Chipset | Qualcomm Snapdragon 7 Gen 1 | 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) | — | 1,430Top 46% |
| Geekbench 6 (multi) | — | 3,550Bottom 50% |
| RAM (max) | 12 GB | 12 GB |
| Storage options | 128/256GB | 128GB / 256GB / 512GB |
| Storage type | — | UFS 3.1 |
Camera
| Spec | Samsung Galaxy M55 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Main camera | 50 MP | 108 MP+116% |
| Main aperture | f/1.8 | f/1.8 |
| Ultra-wide | 8 MP | 12 MP+50% |
| Telephoto | — | 10 MP |
| Optical zoom | — | 10 x |
| Max video | 4K@30fps | 8K@24fps |
| Front camera | 50 MP+25% | 40 MP |
| OIS | Yes | Yes |
Battery
| Spec | Samsung Galaxy M55 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Capacity | 5,000 mAh | 5,000 mAh |
| Wired charging | 45 W+80% | 25 W |
| Wireless charging | — | 15 W |
Design
| Spec | Samsung Galaxy M55 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Weight | 180 g+21% | 228 g |
| Thickness | 7.8 mm+12% | 8.9 mm |
| IP rating | — | IP68 |
| Frame material | Plastic | Aluminum |
Connectivity
| Spec | Samsung Galaxy M55 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 6E |
| Bluetooth | 5.2 | 5.2 |
| NFC | Yes | Yes |
| USB | USB-C 2.0 | USB-C 3.2 |
| eSIM | No | Yes |
Software
| Spec | Samsung Galaxy M55 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| 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 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
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