Advan
Advan Hammer CT1

Advan
Advan G1

Features
Yes, QuadCore 1.3 GHz, MediaTek / Spreadtrum, Yes, Mali, N/A, No, Android 6.0 (Marshmallow) IDOS 7.2, N/A, N/A
N/A, dual core 1.0 GHz, Mediatek, No, No, N/A, N/A, Android OS, v4.4.2 (Kitkat), Yes, N/A
Fingerprint, compass, proximity, gyro, accelerometer
Memory
microSD, Up to 32 GB, 8 GB, 1 GB RAM
microSD, up to 16 GB, 512 MB, 256MB RAM
microSD, up to 128 GB, 16GB 3 GB RAM
Display
16M colors, Yes, N/A, 480 x 854 Pixels, 5.0 inches, IPS LCD capacitive touchscreen
N/A, N/A, N/A, 230 x 430 pixels, 2.4 inches, N/A
Yes, 720 x 1280 pixels, 5.0 inches, IPS Capacitive Touchscreen, 2.5D Corning Gorilla Glass
Battery
N/A, N/A, Li-Ion 2500 mAh
N/A, N/A, Removable Li-Ion 1400 mAh
Non-Removable Li-Ion 2600 mAh