Sony
Sony Xperia E1

Sony
Sony Xperia T3

Features
Yes, Qualcomm MSM8210 Snapdragon 200 Dual-core 1.2 GHz Cortex-A7, Yes, Yes, Yes, SMS (threaded view), MMS, Email, IM, Push Email, Android OS, v4.3 (Jelly Bean), Yes
Yes, Qualcomm MSM8210 Snapdragon 200 Dual-core 1.2 GHz Cortex-A7, Yes, Yes, Yes, SMS (threaded view), MMS, Email, IM, Push Email, Android OS, v4.3 (Jelly Bean), Yes
Yes, Qualcomm MSM8928-2 Snapdragon 400 (D5103/D5106)/ Qualcomm MSM8228 (D5102) Quad-core 1.4 GHz Cortex-A7, Yes, Yes, Yes, SMS (threaded view), MMS, Email, IM, Push Email, Android OS, v4.4.2 (KitKat), Yes
Memory
microSD, up to 32 GB, 4 GB storage, 512 MB RAM
microSD, Up to 32 GB, 4 GB storage, 512 MB RAM
MicroSD, up to 32 GB, 1 GB RAM, 8 GB storage
Display
16 M colors, 480 x 800 pixels, 4.0 inches (~233 ppi pixel density), TFT capacitive touchscreen
16 M colors, 480 x 800 pixels, 4.0 inches (~233 ppi pixel density), TFT capacitive touchscreen
16 M colors, 720 x 1280 pixels, 5.3 inches (~277 ppi pixel density), IPS LCD capacitive touchscreen