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- Galaxy A21s vs Redmi Note 12
Samsung Galaxy A21s vs Xiaomi Redmi Note 12
What Galaxy A21s does better (0) and where Redmi Note 12 wins (21) — every spec side by side.
vs
3.4Display8.0
2.2Performance3.5
5.7Camera5.7
4.0Battery3.9
5.0Features5.7
Dimensions
Size comparison
Galaxy A21sRedmi Note 12
| Galaxy A21s | Redmi Note 12 | Difference | |
|---|---|---|---|
| Height | 163.7 mm | 165.9 mm | −2.2 mm |
| Width | 75.3 mm | 76.2 mm | −0.9 mm |
| Thickness | 8.9 mm | 8 mm | +0.9 mm |
| Weight | 192 g | 188 g | +4 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Galaxy A21s better than Redmi Note 12?
Galaxy A21s has no measurable advantages in this pair.
Why is Redmi Note 12 better than Galaxy A21s?
- AnTuTu score107,157 vs 360,7453.4×
- Wired charging15 W vs 33 W2.2×
- Refresh rate60 Hz vs 120 Hz2×
- Geekbench 6 (multi-core)1,100 vs 1,998+82%
- Peak brightness540 nits vs 1,200 nits2.2×
- OLED panelNo · Galaxy A21s: Yes
- Storage (max)128 GB vs 256 GB2×
- 5GNo · Galaxy A21s: Yes
- RAM6 GB vs 8 GB+33%
- Pixel density270 ppi vs 395 ppi+46%
- Storage (base)32 GB vs 128 GB4×
- Charged in 30 min25% vs 68%2.7×
Specifications
Side by side
| Design | ||
| Weight | 192 g | 188 g |
| Thickness | 8.9 mm | 8 mm |
| Height | 163.7 mm | 165.9 mm |
| Width | 75.3 mm | 76.2 mm |
| Frame | Plastic | Plastic |
| Back | Plastic | Plastic |
| Ingress protection | — | IP53 |
| Water resistance (IPx) | — | IPx3 |
| Glass protection | — | Corning Gorilla Glass 3 |
| Colours | Black, White, Blue, Red | Frosted Green, Matte Black, Mystique Blue |
| Display | ||
| Screen size | 6.5″ | 6.7″ |
| Panel | PLS LCD | AMOLED |
| OLED panel | No | Yes |
| 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 | 1,200 nits |
| Measured brightness | 490 nits | 706 nits |
| Screen-to-body ratio | 82.8% | 85% |
| Performance | ||
| Chipset | Exynos 850 | Qualcomm SM4375 Snapdragon 4 Gen 1 |
| Chip maker | Exynos | Qualcomm |
| Process | 8 nm | 6 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2 GHz | 2 GHz |
| GPU | Mali-G52 | Adreno 619 |
| AnTuTu score | 107,157 | 360,745 |
| Geekbench 6 (multi-core) | 1,100 | 1,998 |
| 3DMark Wild Life Extreme | — | 308 |
| Memory | ||
| RAM | 6 GB | 8 GB |
| Storage (max) | 128 GB | 256 GB |
| Storage (base) | 32 GB | 128 GB |
| Storage type | eMMC 5.1 | UFS 2.2 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 48 MP | 48 MP |
| Main camera aperture | f/2 | f/1.8 |
| Main sensor size | 1/2.0" | 1/2.76" |
| Rear cameras | 2 | 2 |
| Optical stabilisation | No | No |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | No | No |
| Max video | 1080p | 1080p |
| Selfie camera | 13 MP | 13 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,000 mAh | 5,000 mAh |
| Battery type | Li-Po | Li-Po |
| Active use (test) | — | 11 h |
| Wired charging | 15 W | 33 W |
| Charged in 30 min | 25% | 68% |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | Yes |
| 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 |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Loudspeaker loudness | -30 LUFS | -28 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 | 0.68 W/kg |
| Software | ||
| OS at launch | Android 10 | Android 12 |
| Platform | Android | Android |
| Interface | One UI 4.1 | MIUI 14 (International) |
