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AI Summary
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General
| Name | Samsung Galaxy M21 | Oppo A71 (2018) |
|---|---|---|
| Launch Date | 18 Mar 2020 | 1 Feb 2018 |
| Brand | Samsung | Oppo |
| Colors | Midnight Blue, Raven Black | - |
| Models | SM-M215F, SM-M215F/DS, SM-M215F/DSN | - |
Display
| Display Size | 6.4 Inches | 5.2 Inches |
|---|---|---|
| Display Type | Super AMOLED, 420 nits (peak) | LCD |
| Resolution | 1080 x 2340 pixels | 720 x 1280 pixels |
| Refresh Rate | 60Hz | 60Hz |
| Display Protection | Gorilla Glass 3 | - |
| Aspect Ratio | 19.5:9 | 16:9 |
| Features | 84.2% (screen to body ratio), 403 ppi | - |
Platform
| Operating System | Android 10, upgradable to Android 11, One UI 3.1 Core | Android 7.1 (Nougat), ColorOS 3.2 |
|---|---|---|
| Processor | Exynos 9611 (10nm) | Snapdragon 450 (14 nm) |
| CPU | Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) | - |
| GPU | Mali-G72 MP3 | - |
Memory
| Ram | 4GB, 6GB | 2GB, 3GB |
|---|---|---|
| Ram Type | LPDDR4x | - |
| Storage | 64GB, 128GB | 16GB |
| Storage Type | UFS 2.1 | eMMC 5.1 |
| SD Card Slot | Yes | Yes |
Camera
| Type | Triple Camera | Single Camera |
|---|---|---|
| Main | 48 MP, f/2.0, 26mm, 1/2.0", 0.8µm | 13 MP, f/2.2 |
| Ultra Wide | 8 MP, f/2.2, 123˚, 12mm, 1/4.0", 1.12µm | - |
| Depth | 5 MP, f/2.2 | - |
| Video | 4K@30fps, 1080p@30fps, 720p@240fps, gyro-EIS | 1080p@30fps |
| Features | HDR | - |
Front Camera
| Type | Single Camera | Single Camera |
|---|---|---|
| Selfie | 20 MP, f/2.2, 26mm | 5 MP, f/2.4 |
| Video | 1080p@30fps | - |
| Features | HDR | - |
Battery
| Capacity | 6000 mAh | 3000 mAh |
|---|---|---|
| Battery Technology | Li-Po, non-removable | Li-Ion |
| Charging Speed | 15W | 10W |
| USB Type | Type C, USB 2.0 | Micro USB |
| Wireless Charging | No | No |
Network
| Sim | Dual Sim | Dual Sim |
|---|---|---|
| Sim Type | Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) | |
| Technology | 4G | 4G |
| Bands | ||
Connectivity
| Wi-Fi | WiFi 5 | WiFi 2.4 |
|---|---|---|
| Bluetooth | V5.0 | V4.2 |
| NFC | Yes | No |
| GPS | Yes | Yes |
Audio
| Loudspeaker | Yes | Yes |
|---|---|---|
| Headphone Jack | Yes | Yes |
Biometric
| Fingerprint | Yes | No |
|---|---|---|
| Fingerprint Type | Capacitive Fingerprint Scanner | - |
| Fingerprint Position | Rear-Mounted | - |
| Face Unlock | 2D Face Unlock | Not Available |
Body
| Dimensions | 159 x 75.1 x 8.9 mm | 148.1 x 73.8 x 7.6 mm |
|---|---|---|
| Weight | 188 g | 137 g |
| Frame | Plastic Frame | Aluminium Frame |
| Back | Plastic Back | Metal Back |
| IP Rating | No | No |
Others
| Sensors | Accelerometer, gyro, proximity, compass | - |
|---|---|---|
| SAR | 0.47 W/kg (head) | - |
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