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- Galaxy S21 5G vs Galaxy S23 Ultra
Samsung Galaxy S21 5G vs Samsung Galaxy S23 Ultra
What Galaxy S21 5G does better (2) and where Galaxy S23 Ultra wins (25) — every spec side by side.
vs
7.7Display9.2
5.6Performance7.9
7.9Camera9.8
3.8Battery6.5
9.4Features9.4
Dimensions
Size comparison
Galaxy S21 5GGalaxy S23 Ultra
| Galaxy S21 5G | Galaxy S23 Ultra | Difference | |
|---|---|---|---|
| Height | 151.7 mm | 163.4 mm | −11.7 mm |
| Width | 71.2 mm | 78.1 mm | −6.9 mm |
| Thickness | 7.9 mm | 8.9 mm | −1 mm |
| Weight | 169 g | 234 g | −65 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Galaxy S21 5G better than Galaxy S23 Ultra?
- Weight169 g vs 234 g+38%
- Thickness7.9 mm vs 8.9 mm+13%
Why is Galaxy S23 Ultra better than Galaxy S21 5G?
- AnTuTu score584,055 vs 1,241,5312.1×
- Main camera12 MP vs 200 MP16.7×
- Storage (max)256 GB vs 1,024 GB4×
- Optical zoom1.1× vs 10×9.1×
- Wired charging25 W vs 45 W+80%
- 3DMark Wild Life Extreme1,800 vs 3,7902.1×
- Battery capacity4,000 mAh vs 5,000 mAh+25%
- Geekbench 6 (multi-core)3,238 vs 4,927+52%
- RAM8 GB vs 12 GB+50%
- Measured brightness856 nits vs 1,274 nits+49%
- Peak brightness1,300 nits vs 1,750 nits+35%
- Storage (base)128 GB vs 256 GB2×
Specifications
Side by side
| Design | ||
| Weight | 169 g | 234 g |
| Thickness | 7.9 mm | 8.9 mm |
| Height | 151.7 mm | 163.4 mm |
| Width | 71.2 mm | 78.1 mm |
| Frame | Aluminium | Aluminium |
| Back | Plastic | Glass |
| Ingress protection | IP68 | IP68 |
| Water resistance (IPx) | IPx8 | IPx8 |
| Glass protection | Corning Gorilla Glass Victus | Corning Gorilla Glass Victus 2 |
| Colours | Phantom Gray, Phantom White, Phantom Violet, Phantom Pink | Phantom Black, Green, Cream, Lavender, Graphite, Sky Blue, Lime, Red, BMW M Edition |
| Stylus | — | Yes |
| Display | ||
| Screen size | 6.2″ | 6.8″ |
| Panel | Dynamic AMOLED 2X | Dynamic AMOLED 2X |
| OLED panel | Yes | Yes |
| Resolution (width) | 1,080 px | 1,440 px |
| Resolution (height) | 2,400 px | 3,088 px |
| Pixel density | 421 ppi | 500 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,300 nits | 1,750 nits |
| Measured brightness | 856 nits | 1,274 nits |
| Screen-to-body ratio | 87.2% | 89.9% |
| HDR | Yes | Yes |
| Performance | ||
| Chipset | Exynos 2100 - International | Qualcomm SM8550-AC Snapdragon 8 Gen 2 |
| Chip maker | Qualcomm | Qualcomm |
| Process | 5 nm | 4 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.9 GHz | 3.36 GHz |
| GPU | Mali-G78 MP14 - International Adreno 660 - USA/China | Adreno 740 |
| AnTuTu score | 584,055 | 1,241,531 |
| Geekbench 6 (multi-core) | 3,238 | 4,927 |
| 3DMark Wild Life Extreme | 1,800 | 3,790 |
| Memory | ||
| RAM | 8 GB | 12 GB |
| Storage (max) | 256 GB | 1,024 GB |
| Storage (base) | 128 GB | 256 GB |
| Storage type | UFS 3.1 | UFS 4.0 |
| Memory card slot | No | No |
| Camera | ||
| Main camera | 12 MP | 200 MP |
| Main camera aperture | f/1.8 | f/1.7 |
| Main sensor size | 1/1.76" | 1/1.3" |
| Rear cameras | 3 | 4 |
| Optical stabilisation | Yes | Yes |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | Yes | Yes |
| Optical zoom | 1.1× | 10× |
| Max video | 8K | 8K |
| 4K video frame rate | 60 fps | 60 fps |
| Selfie camera | 10 MP | 12 MP |
| 4K selfie video | Yes | Yes |
| Battery | ||
| Battery capacity | 4,000 mAh | 5,000 mAh |
| Battery type | Li-Ion | Li-Ion |
| Active use (test) | — | 13.4 h |
| Wired charging | 25 W | 45 W |
| Charged in 30 min | 55% | 65% |
| Wireless charging | Yes | Yes |
| Wireless charging power | 15 W | 15 W |
| Reverse wireless charging | Yes | Yes |
| Connectivity | ||
| 5G | Yes | Yes |
| eSIM | Yes | Yes |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 6 | Wi-Fi 6E |
| Bluetooth | 5 | 5.3 |
| NFC | Yes | Yes |
| USB | USB Type-C 3.2 | USB Type-C 3.2 |
| USB version | 3.2 | 3.2 |
| Video output | — | Yes |
| Ultra Wideband | — | Yes |
| Satellite navigation | GLONASS, GALILEO, BDS | GLONASS, GALILEO, BDS, QZSS |
| Features | ||
| Stereo speakers | Yes | Yes |
| 3.5 mm headphone jack | No | No |
| Loudspeaker loudness | -26.4 LUFS | -25.6 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) | 0.46 W/kg | 0.96 W/kg |
| Software | ||
| OS at launch | Android 11 | Android 13 |
| Platform | Android | Android |
| Interface | One UI 7 | One UI 9.0 |
| Major OS updates promised | 4 | 4 |
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