Microsoft Lumia 640 LTE Dual SIM vs

Key Specs
Display 5"
Battery 2500 mAh
Camera 8 MP
Storage 8 GB 1 GB RAM
Network
TechnologyGSM / HSPA / LTE
2G bandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bandsHSDPA 850 / 900 / 1700 / 1900 / 2100
4G bandsLTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 20(800), 28(700), 38(2600), 40(2300)
SpeedHSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
GPRSYes
EDGEYes
Launch
Announced2015, March
StatusAvailable. Released 2015, April
Body
Dimensions141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in)
Weight145 g (5.11 oz)
SIMDual SIM (Micro-SIM, dual stand-by)
Display for Microsoft Lumia 640 LTE Dual SIM
TypeIPS LCD capacitive touchscreen, 16M colors
Size5.0 inches (~67.6% screen-to-body ratio)
Resolution720 x 1280 pixels (~294 ppi pixel density)
MultitouchYes
ProtectionCorning Gorilla Glass 3
- ClearBlack display
Platform
OSMicrosoft Windows Phone 8.1 with Lumia Denim
ChipsetQualcomm MSM8926 Snapdragon 400
CPUQuad-core 1.2 GHz Cortex-A7
GPUAdreno 305
Memory
Card slotmicroSD, up to 256 GB (dedicated slot)
Internal8 GB, 1 GB RAM
Camera
Primary8 MP, f/2.2, 28mm, autofocus, LED flash
Features1/4" sensor size
Video1080p@30fps
Secondary1 MP, 720p
Sound
Alert typesVibration; MP3, WAV ringtones
Loudspeaker Yes
3.5mm jack Yes
Comms
WLANWi-Fi 802.11 b/g/n, DLNA, hotspot
Bluetoothv4.0, A2DP
GPSYes, with A-GPS, GLONASS, BDS
NFCYes
RadioFM radio
USBmicroUSB v2.0
Features
SensorsAccelerometer, proximity, compass
MessagingSMS (threaded view), MMS, Email, Push Email, IM
BrowserHTML5
JavaNo
- MP3/WAV/eAAC+/WMA player
- MP4/H.264/WMV player
- OneDrive (30 GB cloud storage)
- Document viewer
- Photo/video editor
Battery
Removable Li-Ion 2500 mAh battery
Stand-byUp to 864 h (2G) / Up to 864 h (3G)
Talk timeUp to 26 h 30 min (2G) / Up to 17 h 30 min (3G)
Tests
DisplayContrast ratio: 1034 (nominal), 2.563 (sunlight)
LoudspeakerVoice 70dB / Noise 65dB / Ring 75dB
Audio qualityNoise -93.1dB / Crosstalk -93.2dB
Battery life
Endurance rating 76h
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