Microsoft Lumia 535 Dual SIM vs Microsoft Lumia 640 Dual SIM

BASIC INFO
Model No - -
Status Discontinued Available. Released 2015, April
Release Date 2014, August 2015, March
Dimension 140.2 x 72.4 x 8.8 mm (5.52 x 2.85 x 0.35 in) 141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in)
Weight 146 g (5.15 oz) 145 g (5.11 oz)
Colors Yellow, white, black, red Glossy cyan, Orange, White, Matte black
Body Metrial - -
W & D Proof - -
SIM Type - -
Technology - -
OS Microsoft Windows Phone 8.1 with Lumia Denim Microsoft Windows Phone 8.1, planned upgrade to Windows 10
PROSESSING
Processor Quad-core 1.2 GHz Cortex-A7 Qualcomm Snapdragon 400, Quad core 1.2 GHz cortex a7 Adreno 305 GPU
Chipset - -
GPU - -
MEMORY
RAM - -
Storage - -
Card Slot 8 GB Storage, 1 GB RAM, microSD, up to 32 GB card slot 8 GB Storage, 1 GB RAM, microSD, up to 32 GB card slot
DISPLAY
Size 540 x 960 pixels, 5 inches 720 x 1280 pixels, 5 inches (~229 ppi pixel density)
Type TFT capacitive touchscreen, 16M colors IPS LCD capacitive touchscreen, 16M colors
Resolation - -
PPI - -
Multi touch - -
Protection - -
CAMERA
Primary 5 MP, 2592 x 1944 pixels, autofocus, LED flash 8 MP, 3264 x 2448 pixels, autofocus, LED flash
Video Yes, 720p@30fps Yes, 1080p@30fps
Flash - -
Features - -
Selfie Yes 5 MP Yes, 1 MP
BATTERY
Battery Non-removable Li-Ion 1900 mAh battery Li-Ion 2500 mAh battery
Capacity - -
Removable - -
StandBy - -
Talk Time - -
Music Play - -
Browsing - -
Video Playback - -
F Charging - -
W Charging - -
NETWORK
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network - -
Speed - -
5G - -
CONECTIVY
WALAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi hotspot
BlueTooth Yes, v4.0 with A2DP Yes, v4.0 with A2DP
USB Yes, microUSB v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS, Beidou
NFC - -
Audio jeck - -
OTHERS
Sensors - -
Radio FM radio FM radio
SARUS - -
SAREU - -
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