Compare Microsoft Lumia 640 Dual SIM vs Samsung Galaxy J7

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SummarySummary 70 Score 75 Score
Performance Qualcomm MSM8926 Snapdragon 400
1 GB RAM
Microsoft Windows Phone 8.1 with …
Qualcomm MSM8939 Snapdragon 615 Exynos 7580
2 GB RAM
Android OS, v5.1
Display 5 inches
720 pixels
294 PPI Density
5.5 inches
720 pixels
267 PPI Density
Camera 8 MP (Main)
1 MP (Front)
13 MP (Main)
5 MP (Front)
Battery 2500 mAh
Li-Ion
3000 mAh
Li-Ion
DisplayDisplay
Screen Size 5 inches 5.5 inches
Screen Resolution 720x1280 pixels 720x1280 pixels
Pixel Density 294 PPI 267 PPI
Display Type IPS LCD capacitive touchscreen, 16M colors Super AMOLED capacitive touchscreen, 16M colors
ChipsetChipset
Brand Microsoft Samsung
Chipset Qualcomm MSM8926 Snapdragon 400 Qualcomm MSM8939 Snapdragon 615 Exynos 7580
Processor Quad-core 1.2 GHz Cortex-A7 Quad-core 1.4 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53Octa-core 1.5 GHz
RAM 1 GB 2 GB
GPU Adreno 305 Mali-T720 MP2
CameraCamera
Rear Camera Resolution 8 MP 13 MP
Front Camera Resolution 1 MP 5 MP
Dual Camera
Video
Camera Features Autofocus, Flash Autofocus, Touch Focus, Flash, Panorama, Geo-Tagging
GeneralGeneral
Operating System Windows Android
OS Version Microsoft Windows Phone 8.1 with … Android OS, v5.1
Weight 145 g 171 g
Dimensions 141.3 x 72.2 x 8.8 mm 152.2 x 78.7 x 7.5 mm
Thickness 7mm
StorageStorage
Internal Storage 8 GB 16 GB
Card Slot microSD, up to 128 G microSD, up to 128 G
Other 8GB storage, microSD card slot 16GB storage, Expandable up to 128GB via microSD card slot
CommunicationCommunication
SIM Card Slots Dual SIM Dual SIM
SIM Card Type Micro-SIM Micro-SIM
Bluetooth v4.0, A2DP v4.1, A2DP
3.5 mm Jack Yes Yes
NFC No Yes (Snapdragon model only)
ConnectivityConnectivity
2G
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional)
3G
HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1900 / 2100 - J700F, J700H
4G
LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 40(2300) - J700F (India, Thailand)
Wi-Fi
Wi-Fi 802.11 b/g/n, DLNA, hotspot
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
GPS
Yes, with A-GPS, GLONASS, Beidou
Yes, with A-GPS, GLONASS
GPRS
EDGE
Radio
BatteryBattery
Battery Capacity 2500 mAh 3000 mAh
Battery Type Li-Ion Li-Ion
Standby Time Up to 840 h (2G) / Up to 840 h (3G)
Talk Time Up to 27 h 30 min (2G) / Up to 20 h 30 min (3G) Up to 18 h (3G)
Other FeaturesOther Features
Fingerprint Scanner
Waterproof
Sensors Accelerometer, proximity, compass Accelerometer, proximity
Messaging SMS (threaded view), MMS, Email, Push Email, IM SMS(threaded view), MMS, Email, Push Mail, IM
Java No No
Other MP3/WAV/eAAC+/WMA player , MP4/H.264/WMV player , OneDrive (30 GB cloud storage) , Document viewer , Photo/video editor ANT+ support , Active noise cancellation with dedicated mic , MP4/WMV/H.264 player , MP3/WAV/WMA/eAAC+/FLAC player , Photo/video editor , Document viewer
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