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- Galaxy A55 vs Galaxy S21 5G
Samsung Galaxy A55 vs Samsung Galaxy S21 5G
What Galaxy A55 does better (11) and where Galaxy S21 5G wins (13) — every spec side by side.
vs
7.4Display7.7
6.3Performance5.6
8.4Camera7.9
5.0Battery3.8
8.5Features9.4
Dimensions
Size comparison
Galaxy A55Galaxy S21 5G
| Galaxy A55 | Galaxy S21 5G | Difference | |
|---|---|---|---|
| Height | 161.1 mm | 151.7 mm | +9.4 mm |
| Width | 77.4 mm | 71.2 mm | +6.2 mm |
| Thickness | 8.2 mm | 7.9 mm | +0.3 mm |
| Weight | 213 g | 169 g | +44 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Galaxy A55 better than Galaxy S21 5G?
- Main camera50 MP vs 12 MP4.2×
- Battery capacity5,000 mAh vs 4,000 mAh+25%
- RAM12 GB vs 8 GB+50%
- AnTuTu score635,598 vs 584,055+9%
- Selfie camera32 MP vs 10 MP3.2×
- Memory card slotYes · Galaxy S21 5G: No
- Measured brightness1,010 nits vs 856 nits+18%
- Screen size6.6″ vs 6.2″+6%
- Process4 nm vs 5 nm+25%
- Bluetooth5.3 vs 5+6%
- Loudspeaker loudness-25.7 LUFS vs -26.4 LUFS+-3%
Why is Galaxy S21 5G better than Galaxy A55?
- Telephoto cameraNo · Galaxy A55: Yes
- Wireless chargingNo · Galaxy A55: Yes
- 3DMark Wild Life Extreme1,024 vs 1,800+76%
- Peak brightness1,000 nits vs 1,300 nits+30%
- Weight213 g vs 169 g+26%
- Max video4K vs 8K
- 4K video frame rate30 fps vs 60 fps2×
- Water resistance (IPx)IPx7 vs IPx8+14%
- Pixel density390 ppi vs 421 ppi+8%
- CPU frequency2.75 GHz vs 2.9 GHz+5%
- USB version2 vs 3.2+60%
- Rear cameras2 vs 3+50%
Specifications
Side by side
| Design | ||
| Weight | 213 g | 169 g |
| Thickness | 8.2 mm | 7.9 mm |
| Height | 161.1 mm | 151.7 mm |
| Width | 77.4 mm | 71.2 mm |
| Frame | Aluminium | Aluminium |
| Back | Glass | Plastic |
| Ingress protection | IP67 | IP68 |
| Water resistance (IPx) | IPx7 | IPx8 |
| Glass protection | Corning Gorilla Glass Victus+ | Corning Gorilla Glass Victus |
| Colours | Iceblue, Lilac, Navy, Lemon | Phantom Gray, Phantom White, Phantom Violet, Phantom Pink |
| Display | ||
| Screen size | 6.6″ | 6.2″ |
| Panel | Super AMOLED | Dynamic AMOLED 2X |
| OLED panel | Yes | Yes |
| Resolution (width) | 1,080 px | 1,080 px |
| Resolution (height) | 2,340 px | 2,400 px |
| Pixel density | 390 ppi | 421 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,000 nits | 1,300 nits |
| Measured brightness | 1,010 nits | 856 nits |
| Screen-to-body ratio | 85.8% | 87.2% |
| HDR | Yes | Yes |
| Performance | ||
| Chipset | Exynos 1480 | Exynos 2100 - International |
| Chip maker | Exynos | Qualcomm |
| Process | 4 nm | 5 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.75 GHz | 2.9 GHz |
| GPU | Xclipse 530 | Mali-G78 MP14 - International Adreno 660 - USA/China |
| AnTuTu score | 635,598 | 584,055 |
| Geekbench 6 (multi-core) | 3,259 | 3,238 |
| 3DMark Wild Life Extreme | 1,024 | 1,800 |
| Memory | ||
| RAM | 12 GB | 8 GB |
| Storage (max) | 256 GB | 256 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | UFS 3.1 | UFS 3.1 |
| Memory card slot | Yes | No |
| Camera | ||
| Main camera | 50 MP | 12 MP |
| Main camera aperture | f/1.8 | f/1.8 |
| Main sensor size | 1/1.56" | 1/1.76" |
| Rear cameras | 2 | 3 |
| Optical stabilisation | Yes | Yes |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | No | Yes |
| Optical zoom | — | 1.1× |
| Max video | 4K | 8K |
| 4K video frame rate | 30 fps | 60 fps |
| Selfie camera | 32 MP | 10 MP |
| 4K selfie video | Yes | Yes |
| Battery | ||
| Battery capacity | 5,000 mAh | 4,000 mAh |
| Battery type | Li-Ion | Li-Ion |
| Active use (test) | 13.4 h | — |
| Wired charging | 25 W | 25 W |
| Charged in 30 min | 55% | 55% |
| Wireless charging | No | Yes |
| Wireless charging power | — | 15 W |
| Reverse wireless charging | — | Yes |
| Connectivity | ||
| 5G | Yes | Yes |
| eSIM | Yes | Yes |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 6 | Wi-Fi 6 |
| Bluetooth | 5.3 | 5 |
| NFC | Yes | Yes |
| USB | USB Type-C 2.0 | USB Type-C 3.2 |
| USB version | 2 | 3.2 |
| Satellite navigation | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | Yes | Yes |
| 3.5 mm headphone jack | No | No |
| Loudspeaker loudness | -25.7 LUFS | -26.4 LUFS |
| Fingerprint sensor | Under display | Under display, ultrasonic |
| Barometer | Yes | Yes |
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, compass | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer |
| SAR (head) | 0.68 W/kg | 0.46 W/kg |
| Software | ||
| OS at launch | Android 14 | Android 11 |
| Platform | Android | Android |
| Interface | One UI 8.5 | One UI 7 |
| Major OS updates promised | 4 | 4 |
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