Phone Comparison - Nokia Lumia 920 vs Microsoft Lumia 640 LTE vs Microsoft Lumia 550

general General Info

Manufacturer Nokia Microsoft Microsoft
Announced September 2012 March 2015 October 2015
Status Available - November 2012 Available - April 2015 Available - December 2015
Price - Rs. 7,999 ($117.63) [Similarly Priced] Rs. 7,999 ($117.63) [Similarly Priced]
Colors Black, Gray, Red, Yellow Yes Black, White
Form Factor Candybar Candybar Candybar
Dimension 130.3 x 10.7 x 10.7 mm
(5.13 x 0.42 x 0.42 in)
141.3 x 72.2 x 8.8 mm
(5.56 x 2.84 x 0.35 in)
136.1 x 67.8 x 9.9 mm
(5.36 x 2.67 x 0.39 in)
Weight 185 g (6.53 oz) 145 g (5.11 oz) 141.9 (4.97.0.32)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 2100
4G Network LTE 800 / 1800 / 2600 / 900 / 2100 LTE LTE band 1(2100), 3(1800), 7(2600), 8(900), 20(800)
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Microsoft Windows Phone 8 Microsoft Windows Phone 8.1 with Lumia Denim Microsoft Windows 10
Processor Dual-core 1.5 GHz Krait, Qualcomm MSM8960 Snapdragon Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 Quad-core 1.1 GHz Cortex-A7, Qualcomm MSM8909 Snapdragon 210
GPU Adreno 225 Adreno 305 Adreno 304
RAM 1 GB 1 GB 1 GB
Internal Memory 32 GB storage 8 GB 8 GB
External Memory No microSD, up to 128 GB microSD, up to 200 GB

display Display

Type IPS TFT capacitive touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display Capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.5 inches 5.0 inches 4.7 inches
Resolution 720 x 1280 pixels (326 ppi) 720 x 1280 pixels (294 ppi) 720 x 1280 pixels (315 ppi)
Screen-to-Body Ratio 401.28% 67.43% 64.94%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No FM radio FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 8 MP, Carl Zeiss optics, 3264 x 2448 pix 8 MP, 3264 x 2448 pixels 5 MP, 2592 х 1944 pixels
Flash LED flash LED flash LED flash
Features Auto focus, PureView Technology, Geo-tagging Auto focus, 1/4'' Sensor Size Auto focus, 1/4' Sensor Size, Geo-tagging, Touch Focus
Video Yes, 1080p@30fps 1080p@30fps 720p@30fps
Front Camera Yes [Similar] 1 MP, 720p [Similar] 2 MP, 480p [Similar]

connectivity Connectivity and Data Rate

GPRS Class 33 Yes Yes
Edge Class 33 Yes Yes
3G HSDPA, 42 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth Yes, v3.1 with A2DP, EDR v4.0, A2DP v4.1, A2DP
Wi-Fi Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct Wi-Fi 802.11 b/g/n, DLNA, hotspot Wi-Fi 802.11 b/g/n, hotspot
USB Yes, microUSB v2.0, USB On-the-go support 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 32 GB storage, 1 GB RAM 8 GB, 1 GB RAM 8 GB, 1 GB RAM
Expandable Storage No microSD, up to 128 GB microSD, up to 200 GB
USB OTG Supported - -

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 supported NFC supported NFC not supported

battery Battery

Type Standard battery, Li-Ion Li-Ion Battery Li-Ion Battery
Capacity 2000 mAh 2500 mAh 2100 mAh
Stand by Up to 400 h (2G)
Up to 400 h (3G)
Up to 864 h (2G)
Up to 864 h (3G)
Up to 672 h (2G)
Up to 672 h (3G)
Talk Time Up to 17 h (2G)
Up to 10 h (3G)
Up to 26 h 30 min (2G)
Up to 17 h 30 min (3G)
Up to 16 h (2G)
Up to 14 h (3G)