• LG Optimus 4X HD vs Microsoft Lumia 640 Dual SIM vs Samsung Galaxy On7

Phone Comparison - LG Optimus 4X HD vs Microsoft Lumia 640 Dual SIM vs Samsung Galaxy On7

general General Info

Manufacturer LG Microsoft Samsung
Announced February 2012 March 2015 October 2015
Status Available - June 2012 Available - April 2015 Available - November 2015
Price - Rs. 8,999 ($132.34) [Similarly Priced] Rs. 8,990 ($132.21) [Similarly Priced]
Colors Black Yes White, Black
Form Factor Candybar Candybar Candybar
Dimension 132.4 x 68.1 x 8.9mm
(5.21 x 2.68 x 0.35in)
141.3 x 72.2 x 8.8 mm
(5.56 x 2.84 x 0.35 in)
151.8 x 77.5 x 8.2 mm
(5.98 x 3.05 x 0.32 in)
Weight 133 g (4.69 oz) 145 g (5.11 oz) 172 g (6.07 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA
4G Network - - LTE
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.0 (Ice Cream Sandwich) Microsoft Windows Phone 8.1 with Lumia Denim Android OS, v5.1 (Lollipop)
Processor Quad-core 1.5 GHz Cortex-A9, Nvidia Tegra 3 Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 Quad-core 1.2 GHz, Qualcomm MSM8916 Snapdragon 410
GPU ULP GeForce Adreno 305 Adreno 306
RAM 1 GB 1 GB 1.5 GB
Internal Memory 16 GB storage 8 GB 8 GB
External Memory Upto 16 GB microSD, up to 128 GB microSD, up to 128 GB

display Display

Type HD-IPS LCD capacitive touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display TFT capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.7 inches 5.0 inches 5.5 inches
Resolution 720 x 1280 pixels (312 ppi) 720 x 1280 pixels (294 ppi) 720 x 1280 pixels (267 ppi)
Screen-to-Body Ratio 67.74% 67.43% 70.89%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 8 MP, 3264x2448 pixels 8 MP, 3264 x 2448 pixels 13 MP, 4128 x 3096 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Face And Smile Detection, Touch Focus, Image Stabilization Auto focus, 1/4'' Sensor Size Auto focus, Geo-tagging, Touch Focus, Face Detection
Video Yes, 1080p@30fps 1080p@30fps 1080p@30fps
Front Camera Yes, 1.3 MP [Similar] 1 MP, 720p [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps Yes Yes
Edge Class 12 Yes Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSPA 42.2/5.76 Mbps HSPA, LTE
Bluetooth Yes, with A2DP v4.0, A2DP v4.1, A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, DLNA, hotspot Wi-Fi 802.11 b/g/n, hotspot
USB Yes, microUSB (MHL) v2.0 microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS, GLONASS, Beidou Yes, with A-GPS, GLONASS
Browser HTML5, Adobe Flash HTML5 HTML5

memory User Memory

Internal 16 GB storage, 1 GB RAM 8 GB, 1 GB RAM 8 GB, 1.5 GB RAM
Expandable Storage Yes 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 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 not supported

battery Battery

Type Standard battery, Li-Ion Li-Ion Battery Li-Ion Battery
Capacity 2150 mAh 2500 mAh 3000 mAh
Stand by Up to 730 h (2G)
Up to 686 h (3G)
Up to 840 h (2G)
Up to 840 h (3G)
-
Talk Time Up to 9 h 20 min (2G)
Up to 10 h 50 min (3G)
Up to 27 h 30 min (2G)
Up to 20 h 30 min (3G)
Up to 11 h (3G)