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- Galaxy A21s vs Poco X3 NFC
Samsung Galaxy A21s vs Xiaomi Poco X3 NFC
What Galaxy A21s does better (3) and where Poco X3 NFC wins (20) — every spec side by side.
vs
3.4Display5.5
2.2Performance3.2
5.7Camera7.4
4.0Battery7.3
5.0Features4.6
Dimensions
Size comparison
Galaxy A21sPoco X3 NFC
| Galaxy A21s | Poco X3 NFC | Difference | |
|---|---|---|---|
| Height | 163.7 mm | 165.3 mm | −1.6 mm |
| Width | 75.3 mm | 76.8 mm | −1.5 mm |
| Thickness | 8.9 mm | 9.4 mm | −0.5 mm |
| Weight | 192 g | 215 g | −23 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Galaxy A21s better than Poco X3 NFC?
- Peak brightness540 nits vs 450 nits+20%
- Weight192 g vs 215 g+12%
- Thickness8.9 mm vs 9.4 mm+6%
Why is Poco X3 NFC better than Galaxy A21s?
- AnTuTu score107,157 vs 283,7502.6×
- Wired charging15 W vs 33 W2.2×
- Refresh rate60 Hz vs 120 Hz2×
- Geekbench 6 (multi-core)1,100 vs 1,777+62%
- Stereo speakersNo · Galaxy A21s: Yes
- RAM6 GB vs 8 GB+33%
- Main camera48 MP vs 64 MP+33%
- Battery capacity5,000 mAh vs 5,160 mAh+3%
- Pixel density270 ppi vs 395 ppi+46%
- Charged in 30 min25% vs 62%2.5×
- Measured brightness490 nits vs 631 nits+29%
- Storage (base)32 GB vs 64 GB2×
Specifications
Side by side
| Design | ||
| Weight | 192 g | 215 g |
| Thickness | 8.9 mm | 9.4 mm |
| Height | 163.7 mm | 165.3 mm |
| Width | 75.3 mm | 76.8 mm |
| Frame | Plastic | Aluminium |
| Back | Plastic | Plastic |
| Ingress protection | — | IP53 |
| Water resistance (IPx) | — | IPx3 |
| Glass protection | — | Corning Gorilla Glass 5 |
| Colours | Black, White, Blue, Red | Cobalt Blue, Shadow Gray |
| Display | ||
| Screen size | 6.5″ | 6.7″ |
| Panel | PLS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 1,080 px |
| Resolution (height) | 1,600 px | 2,400 px |
| Pixel density | 270 ppi | 395 ppi |
| Refresh rate | 60 Hz | 120 Hz |
| Peak brightness | 540 nits | 450 nits |
| Measured brightness | 490 nits | 631 nits |
| Screen-to-body ratio | 82.8% | 84.6% |
| HDR | — | Yes |
| Performance | ||
| Chipset | Exynos 850 | Qualcomm SM7150-AC Snapdragon 732G |
| Chip maker | Exynos | Qualcomm |
| Process | 8 nm | 8 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2 GHz | 2.3 GHz |
| GPU | Mali-G52 | Adreno 618 |
| AnTuTu score | 107,157 | 283,750 |
| Geekbench 6 (multi-core) | 1,100 | 1,777 |
| 3DMark Wild Life Extreme | — | 336 |
| Memory | ||
| RAM | 6 GB | 8 GB |
| Storage (max) | 128 GB | 128 GB |
| Storage (base) | 32 GB | 64 GB |
| Storage type | eMMC 5.1 | UFS 2.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 48 MP | 64 MP |
| Main camera aperture | f/2 | f/1.9 |
| Main sensor size | 1/2.0" | 1/1.73" |
| Rear cameras | 2 | 2 |
| Optical stabilisation | No | No |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | No | No |
| Max video | 1080p | 4K |
| 4K video frame rate | — | 30 fps |
| Selfie camera | 13 MP | 20 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,000 mAh | 5,160 mAh |
| Battery type | Li-Po | Li-Po |
| Wired charging | 15 W | 33 W |
| Charged in 30 min | 25% | 62% |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | No |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5 | 5.1 |
| NFC | Yes | Yes |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Infrared port | — | Yes |
| Satellite navigation | GLONASS, GALILEO, BDS | GLONASS, BDS |
| Features | ||
| Stereo speakers | No | Yes |
| 3.5 mm headphone jack | Yes | Yes |
| Loudspeaker loudness | -30 LUFS | -25.3 LUFS |
| Fingerprint sensor | Rear | Side |
| Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| SAR (head) | 0.42 W/kg | 0.56 W/kg |
| Software | ||
| OS at launch | Android 10 | Android 10 |
| Platform | Android | Android |
| Interface | One UI 4.1 | MIUI 14 |
