Microsoft Lumia 640 XL vs Samsung Galaxy S6 vs Apple iPhone 6 vs Apple iPhone 4 comparison

Compare Microsoft Lumia 640 XL
Compare Samsung Galaxy S6
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Compare Apple iPhone 4
key specs
Display5.70-inch5.10-inch4.70-inch3.50-inch
ProcessorQualcomm Snapdragon 400Samsung Exynos 7 Octa 7420Apple A8one-core
Front Camera5-megapixel5-megapixel 1.2-megapixel 0.3-megapixel
Rear Camera13-megapixel16-megapixel 8-megapixel 5-megapixel
RAM1GB3GB1GB512MB
Storage8GB32GB16GB8GB
Battery Capacity3000mAh2550mAh1810mAh1420mAh
OSWindows Phone 8.1Android 5.0iOS 8.0iOS 6.1.3
Resolution720x1280 pixels1440x2560 pixels750x1334 pixels640x960 pixels
general
BrandMicrosoftSamsungAppleApple
ModelLumia 640 XLGalaxy S6iPhone 6iPhone 4
Release dateMarch 1, 2015March 1, 2015September 1, 2014June 1, 2010
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)157.90 x 81.50 x 9.00143.40 x 70.50 x 6.80138.10 x 67.00 x 6.90115.20 x 59.00 x 9.30
Weight (g)171.00138.00129.00137.00
Battery capacity (mAh)3000255018101420
Removable batteryYesNoNoNo
Launched in India-YesYes-
Body type--Metal-
Colours--Silver, Gold, Space GrayBlack
display
Screen size (inches)5.705.104.703.50
TouchscreenYesYesYesYes
Resolution720x1280 pixels1440x2560 pixels750x1334 pixels640x960 pixels
Pixels per inch (PPI)259577326326
Protection type-Gorilla Glass--
Aspect ratio-16:916:9-
hardware
Processor1.2GHz quad-coreocta-core (4x2.1GHz + 4x1.5GHz)1.4GHz dual-coreone-core
Processor makeQualcomm Snapdragon 400Samsung Exynos 7 Octa 7420Apple A8-
RAM1GB3GB1GB512MB
Internal storage8GB32GB16GB8GB
Expandable storageYesNoNoNo
Expandable storage typemicroSD---
Expandable storage up to (GB)128---
camera
Rear camera13-megapixel16-megapixel (f/1.9, 1.12-micron)8-megapixel (f/2.2, 1.5-micron)5-megapixel
Rear flashLEDLEDDual LEDLED
Front camera5-megapixel5-megapixel (f/1.9, 1.34-micron)1.2-megapixel (f/2.2)0.3-megapixel
Rear autofocus-YesPhase detection autofocus-
software
Operating systemWindows Phone 8.1Android 5.0iOS 8.0iOS 6.1.3
Skin-TouchWiz--
connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supported802.11 b/g/n802.11 a/b/g/n/ac802.11 a/b/g/n-
GPSYesYesYesYes
BluetoothYes, v 4.00Yes, v 4.10Yes, v 4.20Yes, v 2.10
NFCYesYesYesNo
InfraredNoYesNoNo
USB OTGNoYesNoNo
Headphones3.5mm3.5mm3.5mm3.5mm
FMYesNoNoNo
Number of SIMs1111
Wi-Fi DirectNoYesNoNo
Mobile High-Definition Link (MHL)NoNoNoNo
Micro-USB-Yes--
Lightning--Yes-
sim 1
SIM TypeMicro-SIMNano-SIMNano-SIMMicro-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTENoYesYesNo
sensors
Compass/ MagnetometerYesYesYesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
GyroscopeNoYesYesYes
BarometerNoYesYesNo
Temperature sensorNoNoNoNo
Fingerprint sensor-YesYes-
ratings
Overall NDTV Rating-Read ReviewRead Review-
Design Rating--
Display Rating--
Software Rating--
Performance Rating--
Battery Life Rating--
Camera Rating--
Value for Money Rating--

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