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General
| Name | Samsung Galaxy A51 5G UW | Xiaomi Mi A3 |
|---|---|---|
| Launch Date | 14 Aug 2020 | 17 Jul 2019 |
| Brand | Samsung | Xiaomi |
| Colors | Prism Bricks Blue | Kind of Gray, Not just Blue, More than White |
| Models | SM-A516V | M1906F9SH, M1906F9SI |
Display
| Display Size | 6.5 Inches | 6.09 Inches |
|---|---|---|
| Display Type | Super AMOLED | Super AMOLED |
| Resolution | 1080 x 2400 pixels | 720 x 1560 pixels |
| Refresh Rate | 60Hz | 60Hz |
| Display Protection | Gorilla Glass 3 | Gorilla Glass 5 |
| Aspect Ratio | 20:9 | 19.5:9 |
| Features | 87.5% (screen to body ratio), 405 ppi | 82.5% (screen to body ratio), 282 ppi |
Platform
| Operating System | Android 10, One UI 2 | Android 9.0 (Pie), upgradable to Android 11, Android One |
|---|---|---|
| Processor | Snapdragon 765G 5G (7 nm) | Snapdragon 665 (11 nm) |
| CPU | Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver) | Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) |
| GPU | Adreno 620 | Adreno 610 |
Memory
| Ram | 6GB | 4GB, 6GB |
|---|---|---|
| Ram Type | LPDDR4x | - |
| Storage | 128GB | 64GB, 128GB |
| Storage Type | UFS 2.1 | UFS 2.1 |
| SD Card Slot | Yes | Yes |
Camera
| Type | Quad Camera | Triple Camera |
|---|---|---|
| Main | 48 MP, f/2.0, 26mm, 1/2.0", 0.8µm | 48 MP, f/1.8, 1/2.0", 0.8µm |
| Ultra Wide | 12 MP, f/2.2, 123˚ | 8 MP, f/2.2, 13mm, 1/4.0", 1.12µm |
| Macro | 5 MP, f/2.4 | - |
| Depth | 5 MP, f/2.2 | 2 MP, f/2.4 |
| Video | 4K@30fps, 1080p@30/120fps; gyro-EIS | 4K@30fps, 1080p@30/60/120fps |
| Features | HDR | HDR |
Front Camera
| Type | Single Camera | Single Camera |
|---|---|---|
| Selfie | 32 MP, f/2.2, 26mm, 1/2.8", 0.8µm | 32 MP, f/2.0, 26mm, 1/2.8", 0.8µm |
| Video | 4K@30fps, 1080p@30fps | 1080p@30fps |
| Features | HDR | HDR |
Battery
| Capacity | 4500 mAh | 4030 mAh |
|---|---|---|
| Battery Technology | Li-Po, non-removable | Li-Po, non-removable |
| Charging Speed | 15W | 18W, QC3 |
| USB Type | Type C, USB 2.0, OTG | Type C, USB 2.0 |
| Wireless Charging | No | No |
Network
| Sim | Single Sim | Dual Sim |
|---|---|---|
| Sim Type | Pre-installed Nano-SIM | Hybrid Dual SIM (Nano-SIM, dual stand-by) |
| Technology | 5G | 4G |
| Bands | ||
Connectivity
| Wi-Fi | WiFi 5 | WiFi 5 |
|---|---|---|
| Bluetooth | V5.0 | V5.0 |
| NFC | Yes | No |
| GPS | Yes | Yes |
Audio
| Loudspeaker | Yes | Yes |
|---|---|---|
| Headphone Jack | Yes | Yes |
Biometric
| Fingerprint | Yes | Yes |
|---|---|---|
| Fingerprint Type | Optical Fingerprint Scanner | Optical Fingerprint Scanner |
| Fingerprint Position | In-Display | In-Display |
| Face Unlock | 2D Face Unlock | 2D Face Unlock |
Body
| Dimensions | 158.8 x 73.4 x 8.6 mm | 153.5 x 71.9 x 8.5 mm |
|---|---|---|
| Weight | 188.8 g | 173.8 g |
| Frame | Aluminium Frame | Plastic Frame |
| Back | Plastic Back | Glass Back |
| Back Protection | - | Gorilla Glass 5 |
| IP Rating | No | No |
Others
| Sensors | Accelerometer, gyro, proximity, compass | Accelerometer, gyro, proximity, compass |
|---|---|---|
| SAR | - | 0.53 W/kg (head), 0.72 W/kg (body) |
| SAR EU | 0.59 W/kg (head), 1.32 W/kg (body) | 0.30 W/kg (head), 1.10 W/kg (body) |
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