Microsoft Lumia 550 vs Microsoft Lumia 640

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Microsoft Lumia 550

Microsoft Lumia 640

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Total
33
26
41
18
General
Operating systemWindows 10 Mobile Windows Phone 8.1
AvailableYes Yes
Released (US)December 2015 March 2015
Original price (US)129 $129.99 $
Released (FR)December 2015 March 2015
Street price (EUR)129 €179 €
DesignCandybar Candybar
ColorWhite
Black
White
Blue
Black
Orange
SAR0.63 W/kg0.69 W/kg
RuggedNo No
Size and weight
67.8 in
9.9 in
136.1 in
142 oz
72.2 in
8.8 in
141.3 in
145 oz
Height136.1 in141.3 in
Width67.8 in72.2 in
Thickness 9.9 in8.8 in
Weight142 oz145 oz
Display
Screen typeLCD IPS LCD
Resolution1280x720 pixels1280x720 pixels
Screen size4.7 in5 in
TouchscreenYes Yes
Touchscreen typeCapacitive Capacitive
MultitouchYes Yes
Colors16 777 216 16 777 216
3DNo No
PPI312 294
Hardware
CPU Qualcomm Snapdragon 400
Processor frequency1.1 GHz1.2 GHz
Core numberQuad Core Quad Core
RAM1024 MB1024 MB
Internal storage8 GB8 GB
Removable storageYes Yes
Memory cardmicroSD
microSDHC
microSDXC
microSD
microSDHC
microSDXC
Network
GSMYes Yes
GSM frequencies850
900
1800
1900
850
900
1800
1900
GPRSYes Yes
EDGEYes Yes
UMTSYes Yes
UMTS Frequencies850
900
2100
850
900
2100
HSPAYes Yes
HSPA+Yes Yes
Maximum theoretical bandwith 42 Mbit/s 42 Mbit/s
CDMANo No
4G LTEYes Yes
LTE Frequencies800
900
1800
2100
2600
800
900
1800
2100
2600
WiMAXNo No
Connectivity
Wi-FiYes Yes
Wi-Fi Standard802.11b
802.11g
802.11n
802.11b
802.11g
802.11n
Wi-Fi hotspotYes Yes
BluetoothYes Yes
Bluetooth version4.1 4.0
ProfilesAdvanced Audio Distribution (A2DP)
Audio/Visual Remote Control Profile (AVRCP)
Generic Attribute Profile (GATT)
Human Interface Device (HID)
Message Access Profile (MAP)
Object Push (OPP)
Phone Book Access (PBAP)
Public Area Network (PAN)
Advanced Audio Distribution (A2DP)
Audio/Visual Remote Control Profile (AVRCP)
Generic Attribute Profile (GATT)
Handsfree (HFP)
Message Access Profile (MAP)
Object Push (OPP)
Personal Area Networking Profile (PAN)
Phone Book Access (PBAP)
GPSYes Yes
GPS typeA-GPS
GPS
A-GPS
GPS
USBYes Yes
USB version2.0 2.0
USB connector typemicroUSB microUSB
USB featuresUSB charging
Mass storage device
USB charging
Mass storage device
AudioYes Yes
Headset jack3.5mm 3.5mm
HDMINo No
DLNANo Yes
NFCNo Yes
Dual SIMNo No
InfraredNo No
Digital Camera / Video
Back cameraYes Yes
3DNo No
Photo resolution5 MP8 MP
Video resolution720 p1080 p
FlashYes Yes
Flash typeLED LED
FeaturesAuto focus
White balance
Exposure compensation
Geo tagging
Touch focus
Digital zoom
Auto focus
Back-illuminated sensor (BSI)
Face detection
Geo tagging
High Dynamic Range Mode (HDR)
Digital zoom
Front cameraYes No
Photo resolution2 MP
Front FlashNo No
Multimedia
Music playerYes Yes
Supported formatsAAC
AMR
FLAC
MIDI
MP3
M4A
OGG
WAV
AAC
AMR
MP3
WAV
Video playerYes Yes
SupportsH.263
H.264
H.265
MPEG4
H.263
H.264
MPEG4
WMV
RadioYes Yes
FM TransmitterNo No
Sensor
AccelerometerYes Yes
GyroscopeNo No
Proximity sensorYes Yes
CompassNo Yes
BarometerNo No
Ambient light sensorYes Yes
Battery
Battery typeLithium-ion Lithium-ion
Capacity2100 mAh2500 mAh
Battery life on stand by672 h864 h
Battery life on 2G talk time16 h26 h
Battery life on UMTS/LTE talk time24 h18 h
Battery life on Wi-Fi Internet 11 h
Battery life on music playback60 h86 h
Battery life on video playback7 h9 h
Qi wireless chargingNo No

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