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- Galaxy S21 Ultra 5G vs Galaxy S24 Ultra
Samsung Galaxy S21 Ultra 5G vs Samsung Galaxy S24 Ultra
What Galaxy S21 Ultra 5G does better (4) and where Galaxy S24 Ultra wins (17) — every spec side by side.
vs
9.1Display9.0
6.7Performance8.3
9.8Camera9.8
6.2Battery6.8
9.4Features9.8
Dimensions
Size comparison
Galaxy S21 Ultra 5GGalaxy S24 Ultra
| Galaxy S21 Ultra 5G | Galaxy S24 Ultra | Difference | |
|---|---|---|---|
| Height | 165.1 mm | 162.3 mm | +2.8 mm |
| Width | 75.6 mm | 79 mm | −3.4 mm |
| Thickness | 8.9 mm | 8.6 mm | +0.3 mm |
| Weight | 227 g | 232 g | −5 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Galaxy S21 Ultra 5G better than Galaxy S24 Ultra?
- Optical zoom10× vs 5×2×
- RAM16 GB vs 12 GB+33%
- Selfie camera40 MP vs 12 MP3.3×
- Weight227 g vs 232 g+2%
Why is Galaxy S24 Ultra better than Galaxy S21 Ultra 5G?
- AnTuTu score657,150 vs 1,453,4972.2×
- Geekbench 6 (multi-core)3,518 vs 7,0762×
- Main camera108 MP vs 200 MP+85%
- Wired charging25 W vs 45 W+80%
- Storage (max)512 GB vs 1,024 GB2×
- Major OS updates promised4 vs 7+75%
- Peak brightness1,500 nits vs 2,600 nits+73%
- Measured brightness1,023 nits vs 1,447 nits+41%
- Storage (base)128 GB vs 256 GB2×
- 4K video frame rate60 fps vs 120 fps2×
- CPU frequency2.9 GHz vs 3.39 GHz+17%
- Process5 nm vs 4 nm+25%
Specifications
Side by side
| Design | ||
| Weight | 227 g | 232 g |
| Thickness | 8.9 mm | 8.6 mm |
| Height | 165.1 mm | 162.3 mm |
| Width | 75.6 mm | 79 mm |
| Frame | Aluminium | Titanium |
| Back | Glass | Glass |
| Ingress protection | IP68 | IP68 |
| Water resistance (IPx) | IPx8 | IPx8 |
| Glass protection | Corning Gorilla Glass Victus | Corning Gorilla Armor |
| Colours | Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy | Titanium Black, Titanium Gray, Titanium Violet, Titanium Yellow, Titanium Blue, Titanium Green, Titanium Orange |
| Stylus | Yes | Yes |
| Display | ||
| Screen size | 6.8″ | 6.8″ |
| Panel | Dynamic AMOLED 2X | Dynamic LTPO AMOLED 2X |
| OLED panel | Yes | Yes |
| LTPO (adaptive 1–120 Hz) | — | Yes |
| Resolution (width) | 1,440 px | 1,440 px |
| Resolution (height) | 3,200 px | 3,120 px |
| Pixel density | 515 ppi | 505 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,500 nits | 2,600 nits |
| Measured brightness | 1,023 nits | 1,447 nits |
| Screen-to-body ratio | 89.8% | 88.5% |
| HDR | Yes | Yes |
| Performance | ||
| Chipset | Exynos 2100 - International | Qualcomm SM8650-AC Snapdragon 8 Gen 3 |
| Chip maker | Qualcomm | Qualcomm |
| Process | 5 nm | 4 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.9 GHz | 3.39 GHz |
| GPU | Mali-G78 MP14 - International Adreno 660 - USA/China | Adreno 750 |
| AnTuTu score | 657,150 | 1,453,497 |
| Geekbench 6 (multi-core) | 3,518 | 7,076 |
| 3DMark Wild Life Extreme | — | 4,983 |
| Memory | ||
| RAM | 16 GB | 12 GB |
| Storage (max) | 512 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 | 108 MP | 200 MP |
| Main camera aperture | f/1.8 | f/1.7 |
| Main sensor size | 1/1.33" | 1/1.3" |
| Rear cameras | 4 | 4 |
| Optical stabilisation | Yes | Yes |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | Yes | Yes |
| Optical zoom | 10× | 5× |
| Max video | 8K | 8K |
| 4K video frame rate | 60 fps | 120 fps |
| Selfie camera | 40 MP | 12 MP |
| 4K selfie video | Yes | Yes |
| Battery | ||
| Battery capacity | 5,000 mAh | 5,000 mAh |
| Battery type | Li-Ion | Li-Ion |
| Active use (test) | — | 13.8 h |
| Wired charging | 25 W | 45 W |
| Charged in 30 min | 54% | 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 6E | Wi-Fi 7 |
| Bluetooth | 5.2 | 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 | Yes |
| Dual-band GPS | — | Yes |
| Satellite navigation | GLONASS, GALILEO, BDS | GLONASS, GALILEO, BDS, QZSS |
| Features | ||
| Stereo speakers | Yes | Yes |
| 3.5 mm headphone jack | No | No |
| Loudspeaker loudness | -25.5 LUFS | -24.6 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) | 0.71 W/kg | 1.06 W/kg |
| Software | ||
| OS at launch | Android 11 | Android 14 |
| Platform | Android | Android |
| Interface | One UI 7 | One UI 9 |
| Major OS updates promised | 4 | 7 |
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