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AI Summary
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General
| Name | Oppo A31 (2015) | Samsung Galaxy S8 Plus |
|---|---|---|
| Launch Date | 1 Apr 2015 | 29 Mar 2017 |
| Brand | Oppo | Samsung |
| Colors | - | Midnight Black, Orchid Gray, Arctic Silver, Coral Blue, Maple Gold, Rose Pink |
| Models | - | SM-G955F, SM-G955FD, SM-G955W, SM-G955A, SM-G955P, SM-G955T, SM-G955V, SM-G955R4, SM-G955U, SM-G955S, SM-G955K, SM-G955L, SM-G955, SM-G955U1, SM-G955N, SM-G9550, SC-03J, G955F |
Display
| Display Size | 4.5 Inches | 6.2 Inches |
|---|---|---|
| Display Type | LCD | Super AMOLED |
| Resolution | 480 x 854 pixels | 1440 x 2960 pixels |
| Refresh Rate | 60Hz | 60Hz |
| Display Protection | - | Gorilla Glass 5 |
| Aspect Ratio | 16:9 | 18.5:9 |
| Features | - | 84.0% (screen to body ratio), 529 ppi |
Platform
| Operating System | Android 4.4 (KitKat) | Android 7.0 (Nougat), upgradable to Android 9.0 (Pie), One UI |
|---|---|---|
| Processor | Snapdragon 410 (28 nm) | Exynos 8895 (10 nm) - EMEA, Snapdragon 835 (10 nm) - USA & China |
| CPU | - | Octa-core (4x2.3 GHz Mongoose M2 & 4x1.7 GHz Cortex-A53) - EMEA, Octa-core (4x2.35 GHz Kryo & 4x1.9 GHz Kryo) - USA & China |
| GPU | - | Mali-G71 MP20 - EMEA, Adreno 540 - USA & China |
Memory
| Ram | 1GB | 4GB, 6GB |
|---|---|---|
| Ram Type | - | LPDDR4x |
| Storage | 8GB | 64GB, 128GB |
| Storage Type | eMMC 4.5 | UFS 2.0 or UFS 2.1 |
| 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@30/60fps, 720p@240fps, HDR, stereo sound rec., gyro-EIS, OIS |
| Features | - | auto-HDR |
Front Camera
| Type | Single Camera | Dual Camera |
|---|---|---|
| Selfie | 5 MP | 8 MP, f/1.7, 25mm, 1/3.6", 1.22µm, AF and 2 MP (iris scanner) |
| Video | - | 1440p@30fps |
| Features | - | Dual video call, Auto-HDR |
Battery
| Capacity | 2000 mAh | 3500 mAh |
|---|---|---|
| Battery Technology | Li-Ion | Li-Ion, non-removable |
| Charging Speed | 10W | 15W, QC2 |
| USB Type | Micro USB | Type C, USB 3.1 |
| Wireless Charging | No | Yes (Qi/PMA) |
| Reverse Wireless Charging | - | No |
Network
| Sim | Dual Sim | Dual Sim |
|---|---|---|
| Sim Type | Single SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by) | |
| Technology | 4G | 4G |
| Bands | ||
Connectivity
| Wi-Fi | WiFi 2.4 | WiFi 5 |
|---|---|---|
| Bluetooth | V4.0 | V5.0 |
| NFC | No | Yes |
| GPS | Yes | Yes |
Audio
| Loudspeaker | Yes | Yes |
|---|---|---|
| Headphone Jack | Yes | Yes |
| Features | - | 32-bit/384kHz audio |
Biometric
| Fingerprint | No | Yes |
|---|---|---|
| Fingerprint Type | - | Capacitive Fingerprint Scanner |
| Fingerprint Position | - | Rear-Mounted |
| Face Unlock | Not Available | 2D Face Unlock |
Body
| Dimensions | 131.9 x 65.5 x 8 mm | 159.5 x 73.4 x 8.1 mm |
|---|---|---|
| Weight | 135 g | 173 g |
| Frame | - | Aluminium Frame |
| Back | - | Glass Back |
| Back Protection | - | Gorilla Glass 5 |
| IP Rating | No | IP68 |
Others
| Sensors | - | Iris scanner, accelerometer, gyro, proximity, compass, barometer, heart rate, SpO2 |
|---|---|---|
| Features | - | Samsung DeX (desktop experience support), Samsung Pay |
| SAR | - | 0.67 W/kg (head), 0.97 W/kg (body) |
| SAR EU | - | 0.27 W/kg (head), 1.00 W/kg (body) |
Benchmarks
| Antutu | - | 199892 (v7) |
|---|---|---|
| Geekbench | - | 6754 (v4.4) |
| GFX Bench | - | 13fps (ES 3.1 onscreen) |
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