Compare Oppo A1k vs Oppo F1s Selfie Expert

Specifications
Key Specifications
Display Size 6.1 inches 5.5 inches
Operating System Android 9.0 (Pie); ColorOS 6 Android 5.1 (Lollipop), upgradable to 6.0 (Marshmallow)
RAM 2 GB RAM 4 GB RAM or 32 GB 3 GB RAM
Rear Camera 8 MP 13 MP
Battery Capacity Non-removable Li-Po 4000 mAh battery Non-removable Li-Po 3075 mAh battery
General Features
Release Date 2019, April 2016, August
SIM Support Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by)
Phone Dimensions 6.08 x 2.91 x 0.33 in 6.08 x 2.99 x 0.29 in
Phone Weight 170 g 160 g
Operating System Android 9.0 (Pie); ColorOS 6 Android 5.1 (Lollipop), upgradable to 6.0 (Marshmallow)
Display
Screen Size 6.1 inches 5.5 inches
Screen Resolution 720 x 1560 pixels 720 x 1280 pixels
Screen Type IPS LCD capacitive touchscreen, 16M colors IPS LCD capacitive touchscreen, 16M colors
Screen Protection Corning Gorilla Glass 3 Corning Gorilla Glass 4
Memory
Internal Memory 32 GB 64 GB
RAM 2 GB RAM 4 GB RAM or 32 GB 3 GB RAM
Card Slot microSD, up to 256 GB (dedicated slot) microSD, up to 256 GB (dedicated slot)
Performance
Processor Octa-core 2.0 GHz Cortex-A53 Octa-core 1.5 GHz Cortex-A53
GPU PowerVR GE8320 Mali-T860MP2
Battery
Type Non-removable Li-Po 4000 mAh battery Non-removable Li-Po 3075 mAh battery
Camera
Front Camera 5 MP 16 MP
Front Flash Light No
Front Video Recording 720p 1080p@30fps
Back Flash Light Yes Yes
Back Camera 8 MP 13 MP
Back Video Recording 1080p@30fps 1080p@30fps
Connectivity
Bluetooth Yes Yes
3G Yes Yes
4G/LTE Yes Yes
Radio FM radio FM radio
WiFi Yes Yes
NFC Yes (market/region dependent)