Oppo A57 vs Oppo K1 - comparison
| Oppo A57 | Oppo K1 | 
| Change Model   | Change Model   | 
|   |   | 
| Buy Now ₹13,340.00 | Buy Now ₹16,990.00 | 
Comparison Overview Oppo A57 vs Oppo K1
| Key Feature- Oppo A57 | Key Feature- Oppo K1 | 
|---|---|
| Display: 5.2 inch, Resolution: 720x1280 ~ 282 PPI pixel density | Display: 6.41 inch, Resolution: 1080x2340 ~ 403 PPI pixel density | 
| Camera : Back Camera - 13 MP, FrontCamera - 16 MP | Camera : Back Camera - 16 + 2 MP, FrontCamera - 25 MP | 
| Memory : RAM - 3 GB, Internal Memory - 32 GB, Extendable - 256 GB | Memory : RAM - 4 GB, Internal Memory - 64 GB, Extendable - 256 GB | 
| Processor : octa-core (1.4GHz, quad-core, Cortex A53 + 1.1GHz, quad core, Cortex A53) Qualcomm MSM8940 Snapdragon 435 with Adreno 505 GPU | Processor : Octa Core - 1.95GHz Qualcomm Snapdragon 660 with Adreno 512 GPU | 
Reason to Buy Oppo A57 over Oppo K1
| Weight | |
| Oppo A57 | 147 gm | 
| Oppo K1 | 156 gm | 
| Price | |
| Oppo A57 | 14499 Rs | 
| Oppo K1 | 16990 Rs | 
Reason to Buy Oppo K1 over Oppo A57
| Announced on | |
| Oppo K1 | February 2019 | 
| Oppo A57 | February 2017 | 
| Back Camera | |
| Oppo K1 | 16 + 2 MP | 
| Oppo A57 | 13 MP | 
| Front Camera | |
| Oppo K1 | 25 MP | 
| Oppo A57 | 16 MP | 
| Display Size | |
| Oppo K1 | 6.41 inch | 
| Oppo A57 | 5.2 inch | 
| Pixel Density | |
| Oppo K1 | 403 ppi | 
| Oppo A57 | 282 ppi | 
| Display resolution | |
| Oppo K1 | 1080x2340 pixels | 
| Oppo A57 | 720x1280 pixels | 
| RAM | |
| Oppo K1 | 4 GB | 
| Oppo A57 | 3 GB | 
| Internal Memory | |
| Oppo K1 | 64 GB | 
| Oppo A57 | 32 GB | 
| Battery Capacity | |
| Oppo K1 | 3500 mAh | 
| Oppo A57 | 2900 mAh | 
| Thickness | |
| Oppo K1 | 7.4 mm | 
| Oppo A57 | 7.6 mm | 
| Network Technology | |
| Oppo K1 | GSM, HSPA, LTE, VoLTE | 
| Oppo A57 | GSM, HSPA, LTE | 
| Sensors | |
| Oppo K1 | Fingerprint (In Display), Accelerometer, Compass, Light, Proximity | 
| Oppo A57 | Fingerprint, accelerometer, proximity, Light | 
Common features in Oppo K1 and Oppo A57
| Expandable Memory | |
| Oppo A57 | 256 GB | 
| Oppo K1 | 256 GB | 
Compare Specification - Oppo A57 vs Oppo K1
| Oppo A57 | Oppo K1 | |
| General | ||
|---|---|---|
| Brand Name | Oppo | Oppo | 
| Model Name | A57 | K1 | 
| Announced On | 2017-02-03 | 2019-02-06 | 
| Network Technology | GSM  HSPA  LTE | GSM  HSPA  LTE  VoLTE | 
| Internet Connectivity | GPRS, EDGE,HSPA, LTE | GPRS, EDGE,HSPA, LTE | 
| SIM | Dual Sim(Nano SIM + Nano SIM) | Dual SIM (Nano-SIM + Nano-SIM) | 
| Operating System | Android v6.0 (Marshmallow) | Android v8.1 (Oreo) | 
| Display | ||
| Display Size | 5.2-inch | 6.41-inch | 
| Display Type | HD IPS TFT display | FullHD+ FullView Display | 
| Resolution | 720x1280 Pixels | 1080x2340 Pixels | 
| Pixel density | 282PPI | 403PPI | 
| Display Feature | Gorilla Glass 4 | Dewdrop display | 
| Processor | ||
| ChipSet | Qualcomm MSM8940 Snapdragon 435 | Qualcomm Snapdragon 660 | 
| CPU | octa-core (1.4GHz, quad-core, Cortex A53 + 1.1GHz, quad core, Cortex A53) | Octa Core - 1.95GHz | 
| GPU | Adreno 505 | Adreno 512 | 
| Memory | ||
| RAM | 3GB | 4GB | 
| Internal Memory | 32GB | 64GB | 
| Expandable Memory | 256GB | 256GB | 
| Camera | ||
| Back Camera | 13MP | 16 + 2MP | 
| Front Camera | 16MP | 25MP | 
| Camera Feature | Back Camera Feature Flash :    LED flash  PDAF autofocus  Aperture f/2.2  Video : 1920x1080@30fps Front Camera Feature Flash :    Aperture f/2.0 | Back Camera Feature Flash :    Led Flash  F1.1.75 Aperture Front Camera Feature Flash :    Aperture F2.0  Face Unlock | 
| Connectivity | ||
| WiFi | Yes, Wi-Fi 802.11 a/b/g/n, Hotspot | Yes, Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | 
| Bluetooth | Yes, v4.1, A2DP | Yes, v5.0 | 
| Radio | Yes, FM Radio | unknown | 
| USB | micro usb v2.0 | Micro USB v2.0 | 
| HeadPhone | 3.5mm standard jack | 3.5 mm standard jack | 
| Connectivity Features | ||
| GPS | Yes, with A-GPS | Yes, with A-GPS | 
| Sensors | Fingerprint  accelerometer  proximity  Light | Fingerprint (In Display)  Accelerometer  Compass  Light  Proximity | 
| Battery | ||
| Battery | 2900 mAh non-removable | 3500 mAh Lithium-ion | 
| Battery StandBy | ||
| Battery Talktime | ||
| Other | ||
| Dimension | 149.1 x 72.9 x 7.6 mm | 158.3 x 75.5 x 7.4 mm | 
| Weight | 147gm | 156gm | 
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