GENERAL
IntroducedApril 2015
AnnouncedMarch 2015
Network (2G)GSM 900 / GSM 1800 / GSM 1900 / GSM 850
Network (3G)HSDPA 850 / HSDPA 1900 / HSDPA 2100 / HSDPA 900
Form factorBlock
Antenna typeInternal
SIM INFORMATION
Microsoft Lumia 640 Dual SIMSIM Typemicro-SIM
Multi-SIMDual-Sim
MUlti-SIM ModeDual Standby
SIM 2 SpecificationsGSM 850 / 900 / 1800 / 1900
HARDWARE SPECS
Microsoft Lumia 640 Dual SIMInternal Storage8 GB
RAM1 GB
CPU / ChipsetQualcomm MSM8926 Snapdragon 400 / Quad-core 1.2 GHz Cortex-A7
GPUAdreno 305
SIZE
Microsoft Lumia 640 Dual SIMWeight145.0 g (with battery)
Dimensions141.3 x 72.2 x 8.8
DISPLAY
Microsoft Lumia 640 Dual SIMTypeGraphical
ColouredYes, IPS LCD capacitive touchscreen, 16M colors
Size5.00 inch
Resolution720 x 1280 pixels
Extras- ClearBlack display- Gorilla Glass 3
RINGTONES
Microsoft Lumia 640 Dual SIMPolyphonic ringtonesYes
Ringtone profilesYes
NETWORKING
Microsoft Lumia 640 Dual SIMHSDPA speed42.2 Mbps
GPRSYes
EDGEYes
WLANYes, Wi-Fi 802.11 b/g/n, DLNA, hotspot
BluetoothYes, 4.0, A2DP
WAPYes
BrowserYes, HTML5
Email clientYes
PC kitNo
CAMERA
Microsoft Lumia 640 Dual SIMTypeBuiltin, 8 MP
Photo Resolution3264 x 2448 pixels
FlashLED Flash
AutofocusYes
Secondary cameraYes, 1 MP, 720p
Extras- 1/4'' sensor size
FEATURES
Microsoft Lumia 640 Dual SIMVibrationYes
SMSSend / Receive
MMSSend / Receive
Java
GamesYes, (changeable)
ClockYes
AlarmYes
CalculatorYes
CalendarYes
To-do listYes
Voice dialingYes
Voice memoYes
T9Yes
Multiple numbers / contactYes
HandsfreeYes
Headset jackYes
FM RadioYes
Extras- OneDrive (30 GB cloud storage)