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- Galaxy S21 Ultra 5G vs 12 Pro
Samsung Galaxy S21 Ultra 5G vs Xiaomi 12 Pro
What Galaxy S21 Ultra 5G does better (12) and where 12 Pro wins (10) — every spec side by side.
vs
9.1Display8.5
6.7Performance7.4
9.8Camera9.0
6.2Battery7.8
9.4Features9.0
Dimensions
Size comparison
Galaxy S21 Ultra 5G12 Pro
| Galaxy S21 Ultra 5G | 12 Pro | Difference | |
|---|---|---|---|
| Height | 165.1 mm | 163.6 mm | +1.5 mm |
| Width | 75.6 mm | 74.6 mm | +1 mm |
| Thickness | 8.9 mm | 8.2 mm | +0.7 mm |
| Weight | 227 g | 204 g | +23 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Galaxy S21 Ultra 5G better than 12 Pro?
- Main camera108 MP vs 50 MP2.2×
- Optical zoom10× vs 2×5×
- Storage (max)512 GB vs 256 GB2×
- RAM16 GB vs 12 GB+33%
- Battery capacity5,000 mAh vs 4,600 mAh+9%
- 4K selfie videoYes · 12 Pro: No
- eSIMYes · 12 Pro: No
- USB version3.2 vs 2+60%
- Rear cameras4 vs 3+33%
- Selfie camera40 MP vs 32 MP+25%
- Loudspeaker loudness-25.5 LUFS vs -29.5 LUFS+-14%
- Main camera aperturef/1.8 vs f/1.9+6%
Why is 12 Pro better than Galaxy S21 Ultra 5G?
- Wired charging25 W vs 120 W4.8×
- AnTuTu score657,150 vs 985,226+50%
- Charged in 30 min54% vs 167%3.1×
- Wireless charging power15 W vs 50 W3.3×
- Geekbench 6 (multi-core)3,518 vs 3,682+5%
- Weight227 g vs 204 g+11%
- CPU frequency2.9 GHz vs 3 GHz+3%
- Measured brightness1,023 nits vs 1,050 nits+3%
- Process5 nm vs 4 nm+25%
- Thickness8.9 mm vs 8.2 mm+9%
Specifications
Side by side
| Design | ||
| Weight | 227 g | 204 g |
| Thickness | 8.9 mm | 8.2 mm |
| Height | 165.1 mm | 163.6 mm |
| Width | 75.6 mm | 74.6 mm |
| Frame | Aluminium | Aluminium |
| Back | Glass | Glass |
| Ingress protection | IP68 | — |
| Water resistance (IPx) | IPx8 | — |
| Glass protection | Corning Gorilla Glass Victus | Corning Gorilla Glass Victus |
| Colours | Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy | Gray, Blue, Purple, Green |
| Stylus | Yes | — |
| Display | ||
| Screen size | 6.8″ | 6.7″ |
| Panel | Dynamic AMOLED 2X | LTPO AMOLED |
| OLED panel | Yes | Yes |
| LTPO (adaptive 1–120 Hz) | — | Yes |
| Resolution (width) | 1,440 px | 1,440 px |
| Resolution (height) | 3,200 px | 3,200 px |
| Pixel density | 515 ppi | 521 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,500 nits | 1,500 nits |
| Measured brightness | 1,023 nits | 1,050 nits |
| Screen-to-body ratio | 89.8% | 89.6% |
| HDR | Yes | Yes |
| Performance | ||
| Chipset | Exynos 2100 - International | Qualcomm SM8450 Snapdragon 8 Gen 1 |
| Chip maker | Qualcomm | Qualcomm |
| Process | 5 nm | 4 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.9 GHz | 3 GHz |
| GPU | Mali-G78 MP14 - International Adreno 660 - USA/China | Adreno 730 |
| AnTuTu score | 657,150 | 985,226 |
| Geekbench 6 (multi-core) | 3,518 | 3,682 |
| 3DMark Wild Life Extreme | — | 2,479 |
| Memory | ||
| RAM | 16 GB | 12 GB |
| Storage (max) | 512 GB | 256 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | UFS 3.1 | UFS 3.1 |
| Memory card slot | No | No |
| Camera | ||
| Main camera | 108 MP | 50 MP |
| Main camera aperture | f/1.8 | f/1.9 |
| Main sensor size | 1/1.33" | 1/1.28" |
| Rear cameras | 4 | 3 |
| Optical stabilisation | Yes | Yes |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | Yes | Yes |
| Optical zoom | 10× | 2× |
| Max video | 8K | 8K |
| 4K video frame rate | 60 fps | 60 fps |
| Selfie camera | 40 MP | 32 MP |
| 4K selfie video | Yes | No |
| Battery | ||
| Battery capacity | 5,000 mAh | 4,600 mAh |
| Battery type | Li-Ion | Li-Po |
| Wired charging | 25 W | 120 W |
| Charged in 30 min | 54% | 167% |
| Wireless charging | Yes | Yes |
| Wireless charging power | 15 W | 50 W |
| Reverse wireless charging | Yes | Yes |
| Connectivity | ||
| 5G | Yes | Yes |
| eSIM | Yes | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 6E | Wi-Fi 6E |
| Bluetooth | 5.2 | 5.2 |
| NFC | Yes | Yes |
| USB | USB Type-C 3.2 | USB Type-C 2.0 |
| USB version | 3.2 | 2 |
| Ultra Wideband | Yes | — |
| Infrared port | — | Yes |
| Dual-band GPS | — | Yes |
| Satellite navigation | GLONASS, GALILEO, BDS | GLONASS, GALILEO, BDS, QZSS, NavIC |
| Features | ||
| Stereo speakers | Yes | Yes |
| 3.5 mm headphone jack | No | No |
| Loudspeaker loudness | -25.5 LUFS | -29.5 LUFS |
| Fingerprint sensor | Under display, ultrasonic | Under display |
| Barometer | Yes | Yes |
| Sensors | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer | Fingerprint (under display, optical), accelerometer, gyro, compass, barometer |
| SAR (head) | 0.71 W/kg | 0.6 W/kg |
| Software | ||
| OS at launch | Android 11 | Android 12 |
| Platform | Android | Android |
| Interface | One UI 7 | MIUI 13 |
| Major OS updates promised | 4 | — |
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