Phone Comparison - Nokia Lumia 620 vs Microsoft Lumia 640 LTE vs Microsoft Lumia 950

general General Info

Manufacturer Nokia Microsoft Microsoft
Announced December 2012 March 2015 October 2015
Status Available - January 2013 Available - April 2015 Available - November 2015
Price - Rs. 7,999 ($117.63) [Similarly Priced] Rs. 27,300 ($399.00) [Similarly Priced]
Colors Lime green, orange, magenta, yellow, cyan, white, black Yes Black, White
Form Factor Candybar Candybar Candybar
Dimension 115.4 x 61.1 x 11 mm
(4.54 x 2.41 x 0.43 in)
141.3 x 72.2 x 8.8 mm
(5.56 x 2.84 x 0.35 in)
145 x 73.2 x 8.2 mm
(5.71 x 2.88 x 0.32 in)
Weight 127 g (4.48 oz) 145 g (5.11 oz) 150 g (5.29 oz)
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 / 1700(AWS) / 1900 / 2100
4G Network - LTE LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 20(800), 28(700), 38(2600), 40(2300)
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 GHz Krait, Qualcomm Snapdragon S4 Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 Dual-core 1.82 GHz Cortex-A57 & quad-core 1.44 GHz Cortex-A53, Qualcomm MSM8992 Snapdragon 808
GPU Adreno 305 Adreno 305 Adreno 418
RAM 512 MB 1 GB 3 GB
Internal Memory 8 GB storage 8 GB 32 GB
External Memory microSD, up to 64 GB microSD, up to 128 GB microSD, up to 200 GB

display Display

Type TFT capacitive touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display AMOLED capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 3.8 inches 5.0 inches 5.2 inches
Resolution 480 x 800 pixels (246 ppi) 720 x 1280 pixels (294 ppi) 1440 x 2560 pixels (564 ppi)
Screen-to-Body Ratio 58.06% 67.43% 70.44%
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 5 MP, 2592х1936 pixels 8 MP, 3264 x 2448 pixels 20 MP, 4992 х 3744 pixels
Flash LED flash LED flash Carl Zeiss optics
Features Auto focus, Geo-tagging Auto focus, 1/4'' Sensor Size 1/2.4' Sensor Size, 1.12 μm Pixel Size, PureView Technology, Dual Capture, Geo-tagging, Face Detection, Panorama, HDR
Video Yes, 720p@30fps 1080p@30fps 2160p@30fps, optical stabilization, stereo sound rec.
Front Camera Yes, VGA [Similar] 1 MP, 720p [Similar] 5 MP, 1080p [Similar]

connectivity Connectivity and Data Rate

GPRS Class B Yes Yes
Edge Class B Yes Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps
Bluetooth Yes, v3.0 with A2DP, EDR v4.0, A2DP v4.1, A2DP
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual-band Wi-Fi 802.11 b/g/n, DLNA, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot
USB Yes, microUSB v2.0 microUSB v2.0 Type-C 1.0 reversible connector
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 8 GB storage, 512 MB RAM 8 GB, 1 GB RAM 32 GB, 3 GB RAM
Expandable Storage microSD, up to 64 GB microSD, up to 128 GB microSD, up to 200 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 supported NFC supported NFC supported

battery Battery

Type Standard battery, Li-Ion Li-Ion Battery Li-Ion Battery
Capacity 1300 mAh (BL-4J) 2500 mAh 3000 mAh
Stand by Up to 330 h Up to 864 h (2G)
Up to 864 h (3G)
Up to 288 h (2G)
Up to 288 h (3G)
Talk Time Up to 14 h 40 min (2G)
Up to 9 h 50 min (3G)
Up to 26 h 30 min (2G)
Up to 17 h 30 min (3G)
Up to 23 h (2G)
Up to 18 h (3G)