Samsung Galaxy A55 vs Samsung Galaxy S21
37.9Performance34.4
46.1Display49.1
46.8Camera40.8
52.7Battery36.9
78.7Features78.7
10 spec wins — Samsung Galaxy A557 spec wins — Samsung Galaxy S21
InnoReviews verdict
Samsung Galaxy A55 wins this phone face-off, 48.4 to 43.6, pulling ahead mainly in battery (+16) and camera (+6). 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 A55
- Stronger performance score: 38 vs 34
- Stronger camera score: 47 vs 41
- Stronger battery score: 53 vs 37
- 317% higher Main camera: 50 MP vs 12 MP
- 220% higher Front camera: 32 MP vs 10 MP
- Lower launch price: $449 vs $799
Reasons to pick the Samsung Galaxy S21
- Stronger display score: 49 vs 46
- 30% higher Peak brightness: 1,300 nits vs 1,000 nits
- 24% higher Geekbench 6 (single): 1,430 vs 1,150
- 20% lower weight: 171 g vs 213 g
Display
| Spec | Samsung Galaxy A55 | Samsung Galaxy S21 |
|---|---|---|
| Screen size | 6.6 ″+6% | 6.2 ″ |
| Panel type | Super AMOLED | AMOLED |
| Resolution | 1080x2340 | 2400x1080 |
| Pixel density | 390 ppi | 421 ppi+8% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,000 nits | 1,300 nits+30% |
| Screen-to-body | 85.8 % | — |
| AnTuTu 10 (CPU) | 353,082+40%Top 75% | 252,025Top 94% |
| AnTuTu 10 (GPU) | 224,206+75%Top 63% | 127,819Top 79% |
| AnTuTu 10 (Memory) | 162,521+12%Top 75% | 144,909Top 91% |
| AnTuTu 10 (UX) | 258,141+16%Top 75% | 221,794Top 88% |
Performance
| Spec | Samsung Galaxy A55 | Samsung Galaxy S21 |
|---|---|---|
| Chipset | Samsung Exynos 1480 | Samsung Exynos 2100 |
| AnTuTu 10 | 997,950+34%Top 49% | 746,547Top 66% |
| 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+50% | 8 GB |
| Storage options | 128/256GB | 128GB / 256GB |
| Storage type | — | UFS 3.1 |
Camera
| Spec | Samsung Galaxy A55 | Samsung Galaxy S21 |
|---|---|---|
| Main camera | 50 MP+317% | 12 MP |
| Main aperture | f/1.8 | f/1.8 |
| Ultra-wide | 12 MP | 12 MP |
| Telephoto | — | 64 MP |
| Optical zoom | 1 x | — |
| Max video | 4K@30fps | 8K@24fps |
| Front camera | 32 MP+220% | 10 MP |
| OIS | Yes | Yes |
Battery
| Spec | Samsung Galaxy A55 | Samsung Galaxy S21 |
|---|---|---|
| Capacity | 5,000 mAh+25% | 4,000 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 |
|---|---|---|
| Weight | 213 g | 171 g+20% |
| Thickness | 8.2 mm | 7.9 mm+4% |
| IP rating | IP67 | IP68 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | Samsung Galaxy A55 | Samsung Galaxy S21 |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 6 |
| Bluetooth | 5.3 | 5.0 |
| NFC | Yes | Yes |
| USB | USB-C 2.0 | USB-C 3.2 |
| eSIM | Yes | Yes |
Software
| Spec | Samsung Galaxy A55 | 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 A55 | Samsung Galaxy S21 |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |