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Microsoft Lumia 640 (Dual-Sim 3G) vs Samsung Galaxy Gran Prime Duos (TV SM-G531BT)

Side by side comparison between Microsoft Lumia 640 vs Samsung Galaxy Gran Prime Duos phones, differences, pros, cons with full specifications. What's the better?

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Compare Samsung Galaxy Gran Prime Duos XMicrosoft Lumia 640 (Dual-Sim 3G)10Points
Microsoft Lumia 640 (Dual-Sim 3G)
5"
IPS

720x1280

8
MP

1mp

1GB
RAM

32bit Quad

2500
mAh

(Removable)

vs
08PointsSamsung Galaxy Gran Prime Duos (TV SM-G531BT)Compare Microsoft Lumia 640 X
Samsung Galaxy Gran Prime Duos (TV SM-G531BT)
5"
TFT

540x960

8
MP

5mp

1GB
RAM

64bit Quad

2600
mAh

(Removable)

What's the better phone? Microsoft Lumia 640 (Dual-Sim 3G)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

Lumia 640 (Dual-Sim 3G)10 Advantages Microsoft Lumia 640 (Dual-Sim 3G)vsGalaxy Gran Prime Duos (TV SM-G531BT)8 Advantages Samsung Galaxy Gran Prime Duos (TV SM-G531BT)
+Until 128GB microSD, microSDXC100%
More external storage for files using memory cards
vsUntil 64GB microSD, microSDXC
+145 grams (5.08 ounces)8%
Lighter
vs156 grams (5.46 ounces)
+TFT IPS LCDAdvantage
TFT IPS LCD display is brighter and more vivid
vsTFT LCD
+720x1280 pixels78%
Higher resolution screen
vs540x960 pixels
+294 PPI34%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs220 PPI
+BSI sensorAdvantage
The BSI sensor allows the entry of more light generating photos with more detail and brightness
vsNot supported
+Full HD (1920x1080)125%
More image quality for recording videos with the primary camera
vsHD (1280x720)
+Active noise cancellationAdvantage
Noise-canceling microphone allows better call quality
vsNot supported
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
+Gorilla Glass 3Advantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
1.2Ghz 32bit Quad-Corevs+1.3Ghz 64bit Quad-Core25%
More powerful processor, you can open your applications faster
8GB (3GB available)vs+8GB (4GB available)33%
More internal storage for applications and files
8.8 millimeters (0.35 inches)vs+8.6 millimeters (0.34 inches)2%
Thinner
(front) 1MPvs+(front) 5MP4 times
Higher resolution secondary camera to take pictures and selfies
700000 apps (Marketplace)vs+2500000 apps (Google Play Store)3 times
More apps available to download and use
2500 mAhvs+2600 mAh4%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supportedvs+Digital TVAdvantage
Watch your favorite TV shows anywhere
4.0 + A2DPvs+4.1 + A2DPAdvantage
Bluetooth 4.1 + A2DP is newer and faster

28 Common items in both devices
1GB LPDDR2 / 1GB
16 million
5"
(back) 8MP
LED flash
Only digital zoom
Autofocus
+21 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differencesClear highlight
Physical featuresMicrosoft Lumia 640 (Dual-Sim 3G)Samsung Galaxy Gran Prime Duos (TV SM-G531BT)
ModelLumia 640 (Dual-Sim 3G)Galaxy Gran Prime Duos (TV SM-G531BT)
Other model namesMicrosoft Lumia 640 3G Dual Sim, Microsoft RM-1109Galaxy Grand Prime SM-G531BT (3G)
Country or region availablefeature not registered(Global, International)BrazilCanadaSingapore
(Global, International), Brazil, Canada, Singapore
BrandMicrosoftSamsung
Release dateApril, 2015June, 2015
Depth8.8 millimeters (0.35 inches)8.6 millimeters (0.34 inches)
Size (width x height)72.2 x 141.3 millimeters (2.84 x 5.56 in)72.1 x 144.8 millimeters (2.84 x 5.7 in)
Weight145 grams (5.08 ounces)156 grams (5.46 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaExternal retractable antenna
Build, materialsfeature not registeredfeature not registered
Protection against water and othersNot supportedNot supported
System (OS)Microsoft Lumia 640 (Dual-Sim 3G)Samsung Galaxy Gran Prime Duos (TV SM-G531BT)
Operating systemWindows Phone 8.1Android 5.1.1 Lollipop
Firmware updatefeature not registeredfeature not registered
HardwareMicrosoft Lumia 640 (Dual-Sim 3G)Samsung Galaxy Gran Prime Duos (TV SM-G531BT)
Chipset32bit - Qualcomm Snapdragon 400 MSM8926 (28nm)64bit - Marvell ARMADA PXA1908
CPU processor1.2Ghz Quad-Core ARM Cortex-A71.3Ghz Quad-Core ARM Cortex-A53
GPU graphical controllerQualcomm Adreno 305 400MhzVivante GC7000UL
RAM memory1GB LPDDR21GB
Internal storage8GB (3GB available)8GB (4GB available)
External storageUntil 128GB microSD, microSDXC
(dedicated slot)
Until 64GB microSD, microSDXC
(dedicated slot)
DisplayMicrosoft Lumia 640 (Dual-Sim 3G)Samsung Galaxy Gran Prime Duos (TV SM-G531BT)
Display typeTFT IPS LCDTFT LCD
Screen size5" inches5" inches
Screen-to-body ratio~67.6% (screen-to-body ratio)~66% (screen-to-body ratio)
Display resolution720x1280 pixels540x960 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)294 PPI220 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Not supported
Display featuresfeature not registeredfeature not registered
Mobile networksMicrosoft Lumia 640 (Dual-Sim 3G)Samsung Galaxy Gran Prime Duos (TV SM-G531BT)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Dual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card2 slots (Dual-SIM)
micro-SIM (3FF)
2 slots (Dual-SIM)
micro-SIM (3FF)
Maximum download/upload42/5.76 Mbps42/5.76 Mbps
Network technology2G, 3G2G, 3G
Frequency, bandsExpand band detailsCollapse details
GSM Mhz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1900/2100UMTS 850/900/1900/2100
Primary 4G networkNot supportedNot supported
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGEGPRS, EDGE
CallingMicrosoft Lumia 640 (Dual-Sim 3G)Samsung Galaxy Gran Prime Duos (TV SM-G531BT)
MessagingSMS (T9), MMS, E-mail, Push mailSMS (Swype), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder
CameraMicrosoft Lumia 640 (Dual-Sim 3G)Samsung Galaxy Gran Prime Duos (TV SM-G531BT)
Back camera (main camera)8 megapixels8 megapixels
Main camera resolution3264x2448 pixels3264x2448 pixels
Video recording (primary)Full HD (1920x1080) 30 fpsHD (1280x720) 30 fps
FlashLED flashLED flash
Focal aperturef/2.2 (aperture)feature not registered
Focal lengthfeature not registeredfeature not registered
Sensor size1/4" inchesfeature not registered
Pixel sizefeature not registeredfeature not registered
AutofocusAutofocusAutofocus
Touch focusSupportedSupported
Image stabilizationfeature not registeredfeature not registered
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detectionFace detection, Smile detection
BSI sensorSupportedNot supported
HDRHDR photo only main cameraHDR photo only main camera
2ª cameraMicrosoft Lumia 640 (Dual-Sim 3G)Samsung Galaxy Gran Prime Duos (TV SM-G531BT)
Front camera (secondary)1 megapixels5 megapixels
Front camera resolution1280x720 pixels2592x1944 pixels
Video recording (secondary)HD (1280x720)HD (1280x720)
Front flashNot supportedNot supported
Focal aperturefeature not registeredfeature not registered
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered
MultimediaMicrosoft Lumia 640 (Dual-Sim 3G)Samsung Galaxy Gran Prime Duos (TV SM-G531BT)
RadioFMFM
TVNot supportedDigital TV
Video formatsMP4, H.264, H.263, WMVMP4, H.264, H.263
Audio formatsMP3, WAV, WMA, eAAC+MP3, WAV, eAAC+, FLAC
ConnectivityMicrosoft Lumia 640 (Dual-Sim 3G)Samsung Galaxy Gran Prime Duos (TV SM-G531BT)
USBMicroUSB 2.0MicroUSB 2.0
TV outputNot supportedNot supported
Audio output3.5mm jack3.5mm jack
Bluetooth4.0 + A2DP4.1 + A2DP
WiFi802.11 b/g/n (2.4Ghz)802.11 b/g/n (2.4Ghz)
DLNASupportedNot supported
NFCNot supportedNot supported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging, GLONASS, BeiDou
Infrared portNot supportedNot supported
Other functionsMicrosoft Lumia 640 (Dual-Sim 3G)Samsung Galaxy Gran Prime Duos (TV SM-G531BT)
Active noise cancellationSupportedNot supported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Compass
Ambient Light sensor
Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Other features- Colors: Black
- Lumia Denim UI
- Microsoft ClearBlack display
- OneDrive 30GB
- Beidou GPS
- WiFi hotspot
- Colors: White, Black, Gold
- Samsung TouchWiz UI
- Samsung KIES
- WiFi direct, hotspot
Power supplyMicrosoft Lumia 640 (Dual-Sim 3G)Samsung Galaxy Gran Prime Duos (TV SM-G531BT)
BatteryLi-Ion: Lithium-Ion (Removable)Li-Ion: Lithium-Ion (Removable)
Battery capacity2500 mAh2600 mAh
Charger, watts Standard charging Standard charging
Talk time autonomy1200 minutes | 20 hours | 0.8 day840 minutes | 14 hours | 0.6 day
Standby50400 minutes | 840 hours | 35 daysfeature not registered
Radiation rateMicrosoft Lumia 640 (Dual-Sim 3G)Samsung Galaxy Gran Prime Duos (TV SM-G531BT)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered0.71W/kg (head) | 1.38W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registered0.598W/kg (head) | 0.506W/kg (body)
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