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- Galaxy S20 vs Galaxy S21 5G
Samsung Galaxy S20 vs Samsung Galaxy S21 5G
What Galaxy S20 does better (7) and where Galaxy S21 5G wins (8) — every spec side by side.
vs
7.7Display7.7
6.0Performance5.6
7.9Camera7.9
3.8Battery3.8
8.2Features9.4
Dimensions
Size comparison
Galaxy S20Galaxy S21 5G
| Galaxy S20 | Galaxy S21 5G | Difference | |
|---|---|---|---|
| Height | 151.7 mm | 151.7 mm | = |
| Width | 69.1 mm | 71.2 mm | −2.1 mm |
| Thickness | 7.9 mm | 7.9 mm | = |
| Weight | 163 g | 169 g | −6 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Galaxy S20 better than Galaxy S21 5G?
- Geekbench 6 (multi-core)12,557 vs 3,2383.9×
- Pixel density563 ppi vs 421 ppi+34%
- Memory card slotYes · Galaxy S21 5G: No
- Weight163 g vs 169 g+4%
- Resolution (width)1,440 px vs 1,080 px+33%
- Loudspeaker loudness-23.9 LUFS vs -26.4 LUFS+-9%
- Screen-to-body ratio89.5% vs 87.2%+3%
Why is Galaxy S21 5G better than Galaxy S20?
- Storage (max)128 GB vs 256 GB2×
- 5GNo · Galaxy S20: Yes
- AnTuTu score525,029 vs 584,055+11%
- 3DMark Wild Life Extreme1,414 vs 1,800+27%
- Peak brightness1,200 nits vs 1,300 nits+8%
- Measured brightness814 nits vs 856 nits+5%
- CPU frequency2.84 GHz vs 2.9 GHz+2%
- Process7 nm vs 5 nm+40%
Specifications
Side by side
| Design | ||
| Weight | 163 g | 169 g |
| Thickness | 7.9 mm | 7.9 mm |
| Height | 151.7 mm | 151.7 mm |
| Width | 69.1 mm | 71.2 mm |
| Frame | Aluminium | Aluminium |
| Back | Glass | Plastic |
| Ingress protection | IP68 | IP68 |
| Water resistance (IPx) | IPx8 | IPx8 |
| Glass protection | Corning Gorilla Glass 6 | Corning Gorilla Glass Victus |
| Colours | Cosmic Grey, Cloud Blue, Cloud Pink, Cloud White, Aura Red | Phantom Gray, Phantom White, Phantom Violet, Phantom Pink |
| Display | ||
| Screen size | 6.2″ | 6.2″ |
| Panel | Dynamic AMOLED 2X | Dynamic AMOLED 2X |
| OLED panel | Yes | Yes |
| Resolution (width) | 1,440 px | 1,080 px |
| Resolution (height) | 3,200 px | 2,400 px |
| Pixel density | 563 ppi | 421 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,200 nits | 1,300 nits |
| Measured brightness | 814 nits | 856 nits |
| Screen-to-body ratio | 89.5% | 87.2% |
| HDR | Yes | Yes |
| Performance | ||
| Chipset | Exynos 990 - Global | Exynos 2100 - International |
| Chip maker | Qualcomm | Qualcomm |
| Process | 7 nm | 5 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.84 GHz | 2.9 GHz |
| GPU | Mali-G77 MP11 - Global Adreno 650 - USA | Mali-G78 MP14 - International Adreno 660 - USA/China |
| AnTuTu score | 525,029 | 584,055 |
| Geekbench 6 (multi-core) | 12,557 | 3,238 |
| 3DMark Wild Life Extreme | 1,414 | 1,800 |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Storage (max) | 128 GB | 256 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | UFS 3.0 | UFS 3.1 |
| Memory card slot | Yes | No |
| Camera | ||
| Main camera | 12 MP | 12 MP |
| Main camera aperture | f/1.8 | f/1.8 |
| Main sensor size | 1/1.76" | 1/1.76" |
| Rear cameras | 3 | 3 |
| Optical stabilisation | Yes | Yes |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | Yes | Yes |
| Optical zoom | 1.1× | 1.1× |
| Max video | 8K | 8K |
| 4K video frame rate | 60 fps | 60 fps |
| Selfie camera | 10 MP | 10 MP |
| 4K selfie video | Yes | Yes |
| Battery | ||
| Battery capacity | 4,000 mAh | 4,000 mAh |
| Battery type | Li-Ion | Li-Ion |
| Wired charging | 25 W | 25 W |
| Charged in 30 min | — | 55% |
| Wireless charging | Yes | Yes |
| Wireless charging power | 15 W | 15 W |
| Reverse wireless charging | Yes | Yes |
| Connectivity | ||
| 5G | No | Yes |
| eSIM | Yes | Yes |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 6 | Wi-Fi 6 |
| Bluetooth | 5 | 5 |
| NFC | Yes | Yes |
| USB | USB Type-C 3.2 | USB Type-C 3.2 |
| USB version | 3.2 | 3.2 |
| Satellite navigation | GLONASS, GALILEO, BDS | GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | Yes | Yes |
| 3.5 mm headphone jack | No | No |
| Loudspeaker loudness | -23.9 LUFS | -26.4 LUFS |
| Fingerprint sensor | Under display, ultrasonic | Under display, ultrasonic |
| Barometer | Yes | Yes |
| Sensors | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer |
| SAR (head) | 0.28 W/kg | 0.46 W/kg |
| Software | ||
| OS at launch | Android 10 | Android 11 |
| Platform | Android | Android |
| Interface | One UI 5 | One UI 7 |
| Major OS updates promised | — | 4 |
