Phone Comparison - Samsung Galaxy Ace 4 LTE vs Microsoft Lumia 640 Dual SIM vs Microsoft Lumia 640 LTE

general General Info

Manufacturer Samsung Microsoft Microsoft
Announced June 2014 March 2015 March 2015
Status Available - July 2014 Available - April 2015 Available - April 2015
Price - Rs. 8,999 ($132.34) [Similarly Priced] Rs. 7,999 ($117.63) [Similarly Priced]
Colors Iris Charcoal, Classic White Yes Yes
Form Factor Candybar Candybar Candybar
Dimension 121.4 x 62.9 x 11 mm
(4.78 x 2.48 x 0.43 in)
141.3 x 72.2 x 8.8 mm
(5.56 x 2.84 x 0.35 in)
141.3 x 72.2 x 8.8 mm
(5.56 x 2.84 x 0.35 in)
Weight 130.3 g (4.59.0.11 oz) 145 g (5.11 oz) 145 g (5.11 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 2100
4G Network LTE 800 / 900 / 1800 / 2600 - LTE
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v4.4.2 (KitKat) Microsoft Windows Phone 8.1 with Lumia Denim Microsoft Windows Phone 8.1 with Lumia Denim
Processor Dual-core 1.2 GHz Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400
GPU - Adreno 305 Adreno 305
RAM 1 GB 1 GB 1 GB
Internal Memory 4 GB 8 GB 8 GB
External Memory microSD, up to 64 GB microSD, up to 128 GB microSD, up to 128 GB

display Display

Type TFT capacitive touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display
Colors 16M colors 16M colors 16M colors
Size 4.0 inches 5.0 inches 5.0 inches
Resolution 480 x 800 pixels (233 ppi) 720 x 1280 pixels (294 ppi) 720 x 1280 pixels (294 ppi)
Screen-to-Body Ratio 59.76% 67.43% 67.43%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio FM radio FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 5 MP, 2592 х 1944 pixels 8 MP, 3264 x 2448 pixels 8 MP, 3264 x 2448 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Face And Smile Detection, Panorama Auto focus, 1/4'' Sensor Size Auto focus, 1/4'' Sensor Size
Video Yes, 720p@30fps 1080p@30fps 1080p@30fps
Front Camera Yes, VGA [Similar] 1 MP, 720p [Similar] 1 MP, 720p [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 42 Mbps; HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL HSPA 42.2/5.76 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth Yes, v4.0 with A2DP v4.0, A2DP v4.0, A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, DLNA, hotspot Wi-Fi 802.11 b/g/n, DLNA, hotspot
USB Yes, microUSB v2.0 microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS, Beidou Yes, with A-GPS, GLONASS, Beidou
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 4 GB, 1 GB RAM 8 GB, 1 GB RAM 8 GB, 1 GB RAM
Expandable Storage microSD, up to 64 GB microSD, up to 128 GB microSD, up to 128 GB

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported fingerprint not supported
Proximity Sensor proximity sensor not present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
NFC NFC not supported NFC not supported NFC supported

battery Battery

Type Li-Ion Battery Li-Ion Battery Li-Ion Battery
Capacity 1800 mAh 2500 mAh 2500 mAh
Stand by - Up to 840 h (2G)
Up to 840 h (3G)
Up to 864 h (2G)
Up to 864 h (3G)
Talk Time - Up to 27 h 30 min (2G)
Up to 20 h 30 min (3G)
Up to 26 h 30 min (2G)
Up to 17 h 30 min (3G)