AI Summary
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General
| Name | Samsung Galaxy A31 | Redmi Note 9 4G |
|---|---|---|
| Launch Date | 24 Mar 2020 | 26 Nov 2020 |
| Brand | Samsung | Redmi |
| Colors | Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White | Gray, Green, Blue, Orange |
| Models | SM-A315F, SM-A315F/DS, SM-A315G/DS, SM-A315G, SM-A315N | M2010J19SC |
Display
| Display Size | 6.4 Inches | 6.53 Inches |
|---|---|---|
| Display Type | Super AMOLED | IPS LCD, 400 nits (typ) |
| Resolution | 1080 x 2400 pixels | 1080 x 2340 pixels |
| Refresh Rate | 60Hz | 60Hz |
| Display Protection | - | Gorilla Glass 3 |
| Aspect Ratio | 20:9 | 19.5:9 |
| Features | 84.9% (screen to body ratio), 411 ppi | 83.4% (screen to body ratio), 395 ppi |
Platform
| Operating System | Android 10, One UI 2.5 | Android 10, MIUI 12 |
|---|---|---|
| Processor | MediaTek Helio P65 (12nm) | Snapdragon 662 (11 nm) |
| CPU | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55) | Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) |
| GPU | Mali-G52 MC2 | Adreno 610 |
Memory
| Ram | 4GB, 6GB, 8GB | 4GB, 6GB, 8GB |
|---|---|---|
| Storage | 64GB, 128GB | 128GB, 256GB |
| Storage Type | eMMC 5.1 | UFS 2.2 |
| 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, 26mm, 1/2.0", 0.8µm |
| Ultra Wide | 8 MP, f/2.2, 123˚, 1/4.0", 1.12µm | 8 MP, f/2.2, 120˚, 1/4.0", 1.12µm |
| Macro | 5 MP, f/2.4 | - |
| Depth | 5 MP, f/2.4 | 2 MP, f/2.4 |
| Video | 1080p@30fps | 1080p@30fps |
| Features | HDR | HDR |
Front Camera
| Type | Single Camera | Single Camera |
|---|---|---|
| Selfie | 20 MP, f/2.2 | 8 MP, f/2.0, 27mm, 1/4.0", 1.12µm |
| Video | 1080p@30fps | 1080p@30fps |
Battery
| Capacity | 5000 mAh | 6000 mAh |
|---|---|---|
| Battery Technology | Li-Po, non-removable | Li-Po, non-removable |
| Charging Speed | 15W | 18W, 2.5W reverse wired |
| USB Type | Type C, USB 2.0, OTG | Type C, USB 2.0, OTG |
| Wireless Charging | No | No |
Network
| Sim | Dual Sim | Dual Sim |
|---|---|---|
| Sim Type | Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| Technology | 4G | 4G |
| Bands | ||
Connectivity
| Wi-Fi | WiFi 5 | WiFi 5 |
|---|---|---|
| Bluetooth | V5.0 | V4.2 |
| NFC | Yes | No |
| GPS | Yes | Yes |
Audio
| Loudspeaker | Yes | Stereo speakers |
|---|---|---|
| Headphone Jack | Yes | Yes |
| Features | - | 24-bit/192kHz Hi-Res audio |
Biometric
| Fingerprint | Yes | Yes |
|---|---|---|
| Fingerprint Type | Optical Fingerprint Scanner | Capacitive Fingerprint Scanner |
| Fingerprint Position | In-Display | Side-Mounted |
| Face Unlock | 2D Face Unlock | 2D Face Unlock |
Body
| Dimensions | 159.3 x 73.1 x 8.6 mm | 162.3 x 77.3 x 9.6 mm |
|---|---|---|
| Weight | 185 g | 198 g |
| Frame | Plastic Frame | Plastic Frame |
| Back | Plastic Back | Plastic Back |
| IP Rating | No | No |
Others
| Sensors | Accelerometer, gyro, compass | Accelerometer, proximity, compass |
|---|---|---|
| Features | Virtual proximity sensing | - |
| SAR EU | 0.49 W/kg (head), 1.68 W/kg (body) | - |
Benchmarks
| Antutu | 151815 (v8) | 177212 (v8) |
|---|---|---|
| Geekbench | 5096 (v4.4), 1216 (v5.1) | 1367 (v5.1) |
| GFX Bench | 7fps (ES 3.1 onscreen) | 5.9fps (ES 3.1 onscreen) |
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