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AI Summary
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General
| Name | Oppo A31 (2015) | Samsung Galaxy S7 active |
|---|---|---|
| Launch Date | 1 Apr 2015 | 1 Jun 2016 |
| Brand | Oppo | Samsung |
| Colors | - | Camo Green, Titanium Gray, Sandy Gold |
| Models | - | SM-G891A |
Display
| Display Size | 4.5 Inches | 5.1 Inches |
|---|---|---|
| Display Type | LCD | Super AMOLED |
| Resolution | 480 x 854 pixels | 1440 x 2560 pixels |
| Refresh Rate | 60Hz | 60Hz |
| Display Protection | - | Gorilla Glass 4 |
| Aspect Ratio | 16:9 | 16:9 |
| Features | - | 64.3% (screen to body ratio), 576 ppi |
Platform
| Operating System | Android 4.4 (KitKat) | Android 6.0 (Marshmallow), upgradable to 7.0 (Nougat), TouchWiz UI |
|---|---|---|
| Processor | Snapdragon 410 (28 nm) | Snapdragon 820 (14 nm) |
| CPU | - | Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo) |
| GPU | - | Adreno 530 |
Memory
| Ram | 1GB | 4GB |
|---|---|---|
| Ram Type | - | LPDDR4 |
| Storage | 8GB | 32GB |
| Storage Type | eMMC 4.5 | UFS 2.0 |
| SD Card Slot | Yes | Yes |
Camera
| Type | Single Camera | Single Camera |
|---|---|---|
| Main | 8 MP, AF | 12 MP, f/1.7, 26mm, 1/2.55", 1.4µm, OIS |
| Video | 1080p@30fps | 4K@30fps, 1080p@30fps (gyro-EIS), 1080p@60fps, 720p@240fps, HDR, stereo sound rec., OIS |
| Features | - | auto-HDR |
Front Camera
| Type | Single Camera | Single Camera |
|---|---|---|
| Selfie | 5 MP | 5 MP, f/1.7, 22mm, 1/4.1", 1.34µm |
| Video | - | Yes |
| Features | - | Dual video call, Auto-HDR |
Battery
| Capacity | 2000 mAh | 4000 mAh |
|---|---|---|
| Battery Technology | Li-Ion | Li-Ion, non-removable |
| Charging Speed | 10W | 15W, Qc2 |
| USB Type | Micro USB | Micro USB, USB 2.0, OTG |
| Wireless Charging | No | Yes (Qi/PMA) |
| Reverse Wireless Charging | - | No |
Network
| Sim | Dual Sim | Single Sim |
|---|---|---|
| Sim Type | Nano-SIM | |
| Technology | 4G | 4G |
| Bands | ||
Connectivity
| Wi-Fi | WiFi 2.4 | WiFi 5 |
|---|---|---|
| Bluetooth | V4.0 | V4.2 |
| NFC | No | Yes |
| GPS | Yes | Yes |
Audio
| Loudspeaker | Yes | Yes |
|---|---|---|
| Headphone Jack | Yes | Yes |
Biometric
| Fingerprint | No | Yes |
|---|---|---|
| Fingerprint Type | - | Capacitive Fingerprint Scanner |
| Fingerprint Position | - | Front-Mounted |
| Face Unlock | Not Available | Not Available |
Body
| Dimensions | 131.9 x 65.5 x 8 mm | 148.8 x 74.9 x 9.9 mm |
|---|---|---|
| Weight | 135 g | 184.8 g |
| Frame | - | Aluminium Frame |
| Back | - | Plastic Back |
| IP Rating | No | IP68 |
Others
| Sensors | - | Accelerometer, gyro, proximity, compass, barometer, heart rate, SpO2 |
|---|---|---|
| Features | - | Samsung Pay |
| SAR | - | 0.92 W/kg (head), 0.75 W/kg (body) |
| SAR EU | - | 0.32 W/kg (head), 0.98 W/kg (body) |
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