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- Galaxy A55 vs Galaxy S21 Ultra 5G
Samsung Galaxy A55 vs Samsung Galaxy S21 Ultra 5G
What Galaxy A55 does better (4) and where Galaxy S21 Ultra 5G wins (20) — every spec side by side.
vs
7.4Display9.1
6.3Performance6.7
8.3Camera9.8
5.0Battery6.2
8.5Features9.4
Dimensions
Size comparison
Galaxy A55Galaxy S21 Ultra 5G
| Galaxy A55 | Galaxy S21 Ultra 5G | Difference | |
|---|---|---|---|
| Height | 161.1 mm | 165.1 mm | −4 mm |
| Width | 77.4 mm | 75.6 mm | +1.8 mm |
| Thickness | 8.2 mm | 8.9 mm | −0.7 mm |
| Weight | 213 g | 227 g | −14 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Galaxy A55 better than Galaxy S21 Ultra 5G?
- Memory card slotYes · Galaxy S21 Ultra 5G: No
- Weight213 g vs 227 g+7%
- Process4 nm vs 5 nm+25%
- Thickness8.2 mm vs 8.9 mm+9%
Why is Galaxy S21 Ultra 5G better than Galaxy A55?
- Main camera50 MP vs 108 MP2.2×
- Storage (max)256 GB vs 512 GB2×
- Telephoto cameraNo · Galaxy A55: Yes
- Wireless chargingNo · Galaxy A55: Yes
- RAM12 GB vs 16 GB+33%
- AnTuTu score635,598 vs 657,150+3%
- Peak brightness1,000 nits vs 1,500 nits+50%
- Geekbench 6 (multi-core)3,259 vs 3,518+8%
- Pixel density390 ppi vs 515 ppi+32%
- Rear cameras2 vs 42×
- Max video4K vs 8K
- 4K video frame rate30 fps vs 60 fps2×
Specifications
Side by side
| Design | ||
| Weight | 213 g | 227 g |
| Thickness | 8.2 mm | 8.9 mm |
| Height | 161.1 mm | 165.1 mm |
| Width | 77.4 mm | 75.6 mm |
| Frame | Aluminium | Aluminium |
| Back | Glass | Glass |
| 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 Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy |
| Stylus | — | Yes |
| Display | ||
| Screen size | 6.6″ | 6.8″ |
| Panel | Super AMOLED | Dynamic AMOLED 2X |
| OLED panel | Yes | Yes |
| Resolution (width) | 1,080 px | 1,440 px |
| Resolution (height) | 2,340 px | 3,200 px |
| Pixel density | 390 ppi | 515 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,000 nits | 1,500 nits |
| Measured brightness | 1,010 nits | 1,023 nits |
| Screen-to-body ratio | 85.8% | 89.8% |
| 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 | 657,150 |
| Geekbench 6 (multi-core) | 3,259 | 3,518 |
| 3DMark Wild Life Extreme | 1,024 | — |
| Memory | ||
| RAM | 12 GB | 16 GB |
| Storage (max) | 256 GB | 512 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 | 108 MP |
| Main camera aperture | f/1.8 | f/1.8 |
| Main sensor size | 1/1.56" | 1/1.33" |
| Rear cameras | 2 | 4 |
| Optical stabilisation | Yes | Yes |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | No | Yes |
| Optical zoom | — | 10× |
| Max video | 4K | 8K |
| 4K video frame rate | 30 fps | 60 fps |
| Selfie camera | 32 MP | 40 MP |
| 4K selfie video | Yes | Yes |
| Battery | ||
| Battery capacity | 5,000 mAh | 5,000 mAh |
| Battery type | Li-Ion | Li-Ion |
| Active use (test) | 13.4 h | — |
| Wired charging | 25 W | 25 W |
| Charged in 30 min | 55% | 54% |
| 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 6E |
| Bluetooth | 5.3 | 5.2 |
| NFC | Yes | Yes |
| USB | USB Type-C 2.0 | USB Type-C 3.2 |
| USB version | 2 | 3.2 |
| Ultra Wideband | — | Yes |
| 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 | -25.5 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 | 0.71 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 |
