LG
LG K40S

LG
LG K20 (2019)

Features
Fingerprint (rear-mounted), accelerometer, proximity
Fingerprint (rear-mounted), accelerometer, proximity
Accelerometer, proximity
Memory
microSD, up to 1 TB (dedicated slot), 32GB 3GB RAM
microSD, up to 1 TB (dedicated slot), 32GB 2GB RAM, 32GB 3GB RAM
microSD, up to 32 GB (dedicated slot), 16GB 1GB RAM
Display
IPS LCD capacitive touchscreen, 16M colors, 720 x 1520 pixels, 19:9 ratio (~259 ppi density), 6.5 inches, 105.5 cm2 (~82.1% screen-to-body ratio)
IPS LCD capacitive touchscreen, 16M colors, 6.1 inches, 92.9 cm2 (~80.4% screen-to-body ratio), 720 x 1520 pixels, 19:9 ratio (~276 ppi density)
IPS LCD capacitive touchscreen, 16M colors, 5.45 inches, 76.7 cm2 (~71.7% screen-to-body ratio), 480 x 960 pixels, 18:9 ratio (~197 ppi density)
Battery
Non-removable Li-Po 4000 mAh battery
Non-removable Li-Po 3500 mAh battery
Non-removable Li-Ion 3000 mAh battery
Main Camera
1080p@30fps, LED flash, panorama, HDR, 13 MP, f/2.2, 26mm (wide), PDAF, 5 MP, (ultrawide), 2 MP, f/2.4 depth sensor
1080p@30fps, LED flash, panorama, HDR, 13 MP, f/2.2, 26mm (wide), PDAF, 5 MP, (ultrawide)
1080p@30fps, LED flash, panorama, HDR, 8 MP, f/2.0, 27mm (wide), 1.12µm, AF