Microsoft
Microsoft Lumia 640 XL Dual SIM
Microsoft
Microsoft Lumia 532 Dual SIM

Microsoft
Microsoft Lumia 535 Dual SIM

Features
Yes, Qualcomm Snapdragon 400 Quad-core 1.2 GHz Cortex-A7, Yes, Yes, SMS (threaded view), MMS, Email, Push Email, IM, Microsoft Windows Phone 8.1 with Lumia Denim, Yes
Yes, Qualcomm Snapdragon 200 Quad-core 1.2 GHz Cortex-A7, Yes, Yes, SMS (threaded view), MMS, Email, Push Email, IM, Microsoft Windows Phone 8.1, Yes
Yes, Qualcomm Snapdragon 200 Quad-core 1.2 GHz Cortex-A7, Yes, Yes, SMS (threaded view), MMS, Email, Push Email, IM, Microsoft Windows Phone 8.1, Yes
Memory
microSD, up to 128 GB, 1 GB RAM, 8 GB storage
microSD, up to 128 GB, 1 GB RAM, 8 GB storage
microSD, up to 128 GB, 1 GB RAM, 8 GB storage
Display
16 M colors, IPS LCD capacitive touchscreen, 720 x 1280 pixels (~259 ppi pixel density), 5.7 inches (~69.1% screen-to-body ratio)
16 M colors, Capacitive touchscreen, 480 x 800 pixels (~233 ppi pixel density), 4.0 inches (~58.5% screen-to-body ratio)
16 M colors, 540 x 960 pixels, 5.0 inches (~220 ppi pixel density), IPS LCD capacitive touchscreen