Lumia 640 XL NETWORK Technology GSM / HSPA LAUNCH Announced 2015, March Status Available. Released 2015, April BODY Dimensions 157.9 x 81.5 x 9 mm (6.22 x 3.21 x 0.35 in) Weight 171 g (6.03 oz) SIM Micro-SIM DISPLAY Type IPS LCD capacitive touchscreen, 16M colors Size 5.7 inches (~69.1% screen-to-body ratio) Resolution 720 x 1280 pixels (~259 ppi pixel density) Multitouch Yes Protection Corning Gorilla Glass 3 - ClearBlack display PLATFORM OS Microsoft Windows Phone 8.1 with Lumia Denim Chipset Qualcomm MSM8226 Snapdragon 400 CPU Quad-core 1.2 GHz Cortex-A7 GPU Adreno 305 MEMORY Card slot microSD, up to 128 GB Internal 8 GB, 1 GB RAM CAMERA Primary 13 MP, 4128 x 3096 pixels, Carl Zeiss optics, autofocus, LED flash Features 1/3'' sensor size Video 1080p@30fps Secondary 5 MP, 1080p SOUND Alert types Vibration; MP3, WAV ringtones Loudspeaker Yes 3.5mm jack Yes COMMS WLAN Wi-Fi 802.11 b/g/n, DLNA, hotspot Bluetooth v4.0, A2DP GPS Yes, with A-GPS, GLONASS, Beidou NFC Yes Radio FM ra...