Samsung Galaxy A55 vs Samsung Galaxy S21 Ultra
37.9Performance37.2
46.1Display56.3
46.8Camera72
52.7Battery46.4
78.7Features78.7
6 spec wins — Samsung Galaxy A5510 spec wins — Samsung Galaxy S21 Ultra
InnoReviews verdict
Samsung Galaxy S21 Ultra wins this phone face-off, 53.9 to 48.4, pulling ahead mainly in camera (+25) and display (+10). Samsung Galaxy A55 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 A55
- Stronger battery score: 53 vs 46
- 77% higher AnTuTu 10 (GPU): 224,206 vs 126,989
- 34% higher AnTuTu 10 (CPU): 353,082 vs 263,424
- 27% higher AnTuTu 10: 997,950 vs 783,817
- 13% higher AnTuTu 10 (UX): 258,141 vs 227,841
- Lower launch price: $449 vs $1,199
Reasons to pick the Samsung Galaxy S21 Ultra
- Stronger display score: 56 vs 46
- Stronger camera score: 72 vs 47
- 900% higher Optical zoom: 10 x vs 1 x
- 116% higher Main camera: 108 MP vs 50 MP
- 50% higher Peak brightness: 1,500 nits vs 1,000 nits
Display
| Spec | Samsung Galaxy A55 | Samsung Galaxy S21 Ultra |
|---|---|---|
| Screen size | 6.6 ″ | 6.8 ″+3% |
| Panel type | Super AMOLED | LTPO AMOLED |
| Resolution | 1080x2340 | 3200x1440 |
| Pixel density | 390 ppi | 515 ppi+32% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,000 nits | 1,500 nits+50% |
| Screen-to-body | 85.8 % | — |
| AnTuTu 10 (CPU) | 353,082+34%Top 75% | 263,424Top 88% |
| AnTuTu 10 (GPU) | 224,206+77%Top 63% | 126,989Top 82% |
| AnTuTu 10 (Memory) | 162,521Top 75% | 165,563+2%Top 72% |
| AnTuTu 10 (UX) | 258,141+13%Top 75% | 227,841Top 82% |
Performance
| Spec | Samsung Galaxy A55 | Samsung Galaxy S21 Ultra |
|---|---|---|
| Chipset | Samsung Exynos 1480 | Samsung Exynos 2100 |
| AnTuTu 10 | 997,950+27%Top 49% | 783,817Top 65% |
| Geekbench 6 (single) | 1,150Top 61% | 1,430+24%Top 52% |
| Geekbench 6 (multi) | 3,400Top 57% | 3,550+4%Top 56% |
| RAM (max) | 12 GB | 12 GB |
| Storage options | 128/256GB | 128GB / 256GB / 512GB |
| Storage type | — | UFS 3.1 |
Camera
| Spec | Samsung Galaxy A55 | Samsung Galaxy S21 Ultra |
|---|---|---|
| Main camera | 50 MP | 108 MP+116% |
| Main aperture | f/1.8 | f/1.8 |
| Ultra-wide | 12 MP | 12 MP |
| Telephoto | — | 10 MP |
| Optical zoom | 1 x | 10 x+900% |
| Max video | 4K@30fps | 8K@24fps |
| Front camera | 32 MP | 40 MP+25% |
| OIS | Yes | Yes |
Battery
| Spec | Samsung Galaxy A55 | Samsung Galaxy S21 Ultra |
|---|---|---|
| Capacity | 5,000 mAh | 5,000 mAh |
| Wired charging | 25 W | 25 W |
| Wireless charging | 0 W | 15 W |
| Active use endurance | 11 h | — |
Design
| Spec | Samsung Galaxy A55 | Samsung Galaxy S21 Ultra |
|---|---|---|
| Weight | 213 g+7% | 228 g |
| Thickness | 8.2 mm+8% | 8.9 mm |
| IP rating | IP67 | IP68 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | Samsung Galaxy A55 | Samsung Galaxy S21 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 6E |
| Bluetooth | 5.3 | 5.2 |
| NFC | Yes | Yes |
| USB | USB-C 2.0 | USB-C 3.2 |
| eSIM | Yes | Yes |
Software
| Spec | Samsung Galaxy A55 | 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 A55 | Samsung Galaxy S21 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
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