HTC
HTC Desire 620G dual sim
HTC
HTC Desire 826 dual sim

HTC
HTC Desire 526G+ dual sim

Features
Accelerometer, proximity
Accelerometer, proximity, compass
Accelerometer, proximity
Memory
microSD, up to 32 GB (dedicated slot), 8 GB, 1 GB RAM
microSD, up to 256 GB (dedicated slot), 16 GB, 2 GB RAM
microSD, up to 32 GB (dedicated slot), 8/16 GB, 1 GB RAM
Display
720 x 1280 pixels, 16:9 ratio (~294 ppi density), - HTC Sense UI, Super LCD capacitive touchscreen, 16M colors, 5.0 inches, 68.9 cm2 (~63.2% screen-to-body ratio)
1080 x 1920 pixels, 16:9 ratio (~401 ppi density), Super LCD3 capacitive touchscreen, 16M colors, - HTC Sense UI, 5.5 inches, 83.4 cm2 (~68.1% screen-to-body ratio)
540 x 960 pixels, 16:9 ratio (~234 ppi density), IPS LCD, capacitive touchscreen, 16M colors, 4.7 inches, 60.9 cm2 (~62.4% screen-to-body ratio)
Battery
Up to 19 h (3G), Removable Li-Po 2100 mAh battery, Up to 525 h (3G)
Non-removable Li-Po 2600 mAh battery, Up to 22 h (2G) / Up to 19 h (3G), Up to 626 h (2G) / Up to 687 h (3G)
Removable Li-Ion 2000 mAh battery, Up to 15 h (3G), Up to 622 h (3G)
Main Camera
1080p@30fps, LED flash, panorama, 8 MP, AF, f/2.4
LED flash, HDR, 13 MP, AF, f/2.2, 1080p@30fps, 720p@60fps
1080p@30fps, LED flash, 8 MP, AF, f/2.2