- android.gs
- Compare
- Galaxy S21 5G vs 12X
Samsung Galaxy S21 5G vs Xiaomi 12X
What Galaxy S21 5G does better (13) and where 12X wins (12) — every spec side by side.
vs
7.7Display7.5
5.6Performance5.8
7.9Camera9.2
3.8Battery5.5
9.4Features8.1
Dimensions
Size comparison
Galaxy S21 5G12X
| Galaxy S21 5G | 12X | Difference | |
|---|---|---|---|
| Height | 151.7 mm | 152.7 mm | −1 mm |
| Width | 71.2 mm | 69.9 mm | +1.3 mm |
| Thickness | 7.9 mm | 8.2 mm | −0.3 mm |
| Weight | 169 g | 176 g | −7 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Galaxy S21 5G better than 12X?
- Wireless chargingYes · 12X: No
- 3DMark Wild Life Extreme1,800 vs 1,216+48%
- Geekbench 6 (multi-core)3,238 vs 3,168+2%
- 4K selfie videoYes · 12X: No
- eSIMYes · 12X: No
- Peak brightness1,300 nits vs 1,100 nits+18%
- Weight169 g vs 176 g+4%
- USB version3.2 vs 2+60%
- Rear cameras3 vs 2+50%
- Process5 nm vs 7 nm+40%
- Wi-Fi standardWi-Fi 6 vs Wi-Fi 5+20%
- Main camera aperturef/1.8 vs f/1.9+6%
Why is 12X better than Galaxy S21 5G?
- Main camera12 MP vs 50 MP4.2×
- Wired charging25 W vs 67 W2.7×
- RAM8 GB vs 12 GB+50%
- Optical zoom1.1× vs 2.1×+91%
- Battery capacity4,000 mAh vs 4,500 mAh+12%
- AnTuTu score584,055 vs 598,003+2%
- Selfie camera10 MP vs 32 MP3.2×
- CPU frequency2.9 GHz vs 3.2 GHz+10%
- Measured brightness856 nits vs 923 nits+8%
- Charged in 30 min55% vs 77%+40%
- Loudspeaker loudness-26.4 LUFS vs -25.6 LUFS+-3%
- Screen-to-body ratio87.2% vs 89.2%+2%
Specifications
Side by side
| Design | ||
| Weight | 169 g | 176 g |
| Thickness | 7.9 mm | 8.2 mm |
| Height | 151.7 mm | 152.7 mm |
| Width | 71.2 mm | 69.9 mm |
| Frame | Aluminium | — |
| Back | Plastic | Glass |
| Ingress protection | IP68 | — |
| Water resistance (IPx) | IPx8 | — |
| Glass protection | Corning Gorilla Glass Victus | Corning Gorilla Glass Victus |
| Colours | Phantom Gray, Phantom White, Phantom Violet, Phantom Pink | Gray, Blue, Purple |
| Display | ||
| Screen size | 6.2″ | 6.3″ |
| Panel | Dynamic AMOLED 2X | AMOLED |
| OLED panel | Yes | Yes |
| Resolution (width) | 1,080 px | 1,080 px |
| Resolution (height) | 2,400 px | 2,400 px |
| Pixel density | 421 ppi | 419 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,300 nits | 1,100 nits |
| Measured brightness | 856 nits | 923 nits |
| Screen-to-body ratio | 87.2% | 89.2% |
| HDR | Yes | Yes |
| Performance | ||
| Chipset | Exynos 2100 - International | Qualcomm SM8250-AC Snapdragon 870 5G |
| Chip maker | Qualcomm | Qualcomm |
| Process | 5 nm | 7 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.9 GHz | 3.2 GHz |
| GPU | Mali-G78 MP14 - International Adreno 660 - USA/China | Adreno 650 |
| AnTuTu score | 584,055 | 598,003 |
| Geekbench 6 (multi-core) | 3,238 | 3,168 |
| 3DMark Wild Life Extreme | 1,800 | 1,216 |
| Memory | ||
| RAM | 8 GB | 12 GB |
| Storage (max) | 256 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 | 12 MP | 50 MP |
| Main camera aperture | f/1.8 | f/1.9 |
| Main sensor size | 1/1.76" | 1/1.56" |
| Rear cameras | 3 | 2 |
| Optical stabilisation | Yes | Yes |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | Yes | Yes |
| Optical zoom | 1.1× | 2.1× |
| Max video | 8K | 8K |
| 4K video frame rate | 60 fps | 60 fps |
| Selfie camera | 10 MP | 32 MP |
| 4K selfie video | Yes | No |
| Battery | ||
| Battery capacity | 4,000 mAh | 4,500 mAh |
| Battery type | Li-Ion | Li-Po |
| Wired charging | 25 W | 67 W |
| Charged in 30 min | 55% | 77% |
| Wireless charging | Yes | No |
| Wireless charging power | 15 W | — |
| Reverse wireless charging | Yes | — |
| Connectivity | ||
| 5G | Yes | Yes |
| eSIM | Yes | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 6 | Wi-Fi 5 |
| Bluetooth | 5 | 5.1 |
| NFC | Yes | Yes |
| USB | USB Type-C 3.2 | USB Type-C 2.0 |
| USB version | 3.2 | 2 |
| 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 | -26.4 LUFS | -25.6 LUFS |
| Fingerprint sensor | Under display, ultrasonic | Under display |
| Barometer | Yes | — |
| Sensors | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer | Fingerprint (under display, optical), accelerometer, proximity, gyro, compass |
| SAR (head) | 0.46 W/kg | 0.59 W/kg |
| Software | ||
| OS at launch | Android 11 | Android 11 |
| Platform | Android | Android |
| Interface | One UI 7 | MIUI 13 |
| Major OS updates promised | 4 | — |
Related comparisons
vs
Samsung Galaxy S21 5GvsSamsung Galaxy S22 5G7.98.3vs
Samsung Galaxy S21 5GvsXiaomi Redmi Note 10 Pro7.96.9vs
Samsung Galaxy S21 5GvsSamsung Galaxy S21 Ultra 5G7.99.0vs
Samsung Galaxy S21 5GvsSamsung Galaxy S23 Ultra7.99.2
vsGoogle Pixel 6vsSamsung Galaxy S21 5G8.07.9
vsSamsung Galaxy A54vsSamsung Galaxy S21 5G7.57.9