Compare BlackBerry Q20 vs BlackBerry Classic

Specifications
Key Specifications
Display Size 3.5 inches 3.5 inches
Operating System BlackBerry OS 10.3.1, upgradable to 10.3.2 BlackBerry OS 10.3.1, upgradable to 10.3.2
RAM 2 GB RAM 2 GB RAM
Rear Camera 8 MP 8 MP
Battery Capacity Non-removable Li-Ion 2515 mAh battery Non-removable Li-Ion 2515 mAh battery
General Features
Release Date 2014, June 2014, June
SIM Support Nano-SIM Nano-SIM
Phone Dimensions 5.16 x 2.85 x 0.40 in 5.16 x 2.85 x 0.40 in
Phone Weight 177 g 177 g
Operating System BlackBerry OS 10.3.1, upgradable to 10.3.2 BlackBerry OS 10.3.1, upgradable to 10.3.2
Display
Screen Size 3.5 inches 3.5 inches
Screen Resolution 720 x 720 pixels 720 x 720 pixels
Screen Type IPS LCD, capacitive touchscreen, 16M colors IPS LCD, capacitive touchscreen, 16M colors
Screen Protection Corning Gorilla Glass 3 Corning Gorilla Glass 3
Memory
Internal Memory 16 GB 16 GB
RAM 2 GB RAM 2 GB RAM
Card Slot microSD, up to 256 GB (dedicated slot) microSD, up to 256 GB (dedicated slot)
Performance
Processor Dual-core 1.5 GHz Krait Dual-core 1.5 GHz Krait
GPU Adreno 225 Adreno 225
Battery
Type Non-removable Li-Ion 2515 mAh battery Non-removable Li-Ion 2515 mAh battery
Camera
Front Camera 2 MP 2 MP
Front Flash Light
Front Video Recording No No
Back Flash Light Yes Yes
Back Camera 8 MP 8 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 Yes