Evercoss
Evercoss A7S

Evercoss
Evercoss A66A

Features
Yes, Yes
Yes, MT6577 Dual Core 1 GHzGPU PowerVR SGX 531, Yes, Yes, Yes, SMS (threaded view), MMS, Email, IM, Push Email, Android OS, v4.0 (Ice Cream Sandwich)
Yes, Quad core 1.3 Ghz, Yes, Yes, Yes, SMS(threaded view), MMS, Email, Push Email, IM, Android OS, v4.2.2 (Jelly Bean)
Memory
Ya
4 GB, 512 MB RAM, microSD (up to 32GB)
microSD, Up to 32 GB, 8 GB Storage, 1 GB RAM