Phone Comparison - Nokia Lumia 820 vs Microsoft Lumia 640 XL vs Microsoft Lumia 950

general General Info

Manufacturer Nokia Microsoft Microsoft
Announced Expected September 2012 March 2015 October 2015
Status Available - November 2012 Available - April 2015 Available - November 2015
Price - Rs. 12,999 ($191.16) [Similarly Priced] Rs. 27,300 ($399.00) [Similarly Priced]
Colors Black, Gray, Red, Yellow, White, Blue, Violet Matte cyan, Orange, Black, Matte white, Glossy white Black, White
Form Factor Candybar Candybar Candybar
Dimension 123.8 x 68.5 x 9.9 mm
(4.87 x 2.7 x 0.39 in)
157.9 x 81.5 x 9 mm
(6.22 x 3.21 x 0.35 in)
145 x 73.2 x 8.2 mm
(5.71 x 2.88 x 0.32 in)
Weight 160 g (5.64 oz) 171 g (6.03 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 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE 800 / 1800 / 2600 / 2100/ 900 - 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 1.5 GHz Krait, Qualcomm MSM8960 Snapdragon 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 225 Adreno 305 Adreno 418
RAM 1 GB 1 GB 3 GB
Internal Memory 8 GB storage 8 GB 32 GB
External Memory microSD, up to 32 GB microSD, up to 128 GB microSD, up to 200 GB

display Display

Type AMOLED capacitive touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display AMOLED capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.3 inches 5.7 inches 5.2 inches
Resolution 480 x 800 pixels (217 ppi) 720 x 1280 pixels (259 ppi) 1440 x 2560 pixels (564 ppi)
Screen-to-Body Ratio 62.04% 68.88% 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 8 MP, 3264x2448 pixels, Carl Zeiss Tessa 13 MP, 4128 x 3096 pixels 20 MP, 4992 х 3744 pixels
Flash LED flash LED flash Carl Zeiss optics
Features Auto focus, Geo-tagging Auto focus, Carl Zeiss Optics, 1/3'' Sensor Size 1/2.4' Sensor Size, 1.12 μm Pixel Size, PureView Technology, Dual Capture, Geo-tagging, Face Detection, Panorama, HDR
Video Yes 1080p@30fps 2160p@30fps, optical stabilization, stereo sound rec.
Front Camera Yes [Similar] 5 MP, 1080p [Similar] 5 MP, 1080p [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 42 Mbps
HSUPA, 5.76 Mbps
LTE, Cat3, 50 Mbps UL, 100 Mbps DL
HSPA 42.2/5.76 Mbps HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps
Bluetooth Yes, v3.1 with A2DP, EDR v4.0, A2DP v4.1, A2DP
Wi-Fi Wi-Fi 802.11 b/g/n 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 Yes, with A-GPS, GLONASS, Beidou Yes, with A-GPS, GLONASS, Beidou
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 8 GB storage, 1 GB RAM 8 GB, 1 GB RAM 32 GB, 3 GB RAM
Expandable Storage microSD, up to 32 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 1650 mAh 3000 mAh 3000 mAh
Stand by Up to 330 h (2G)
Up to 330 h (3G)
Up to 936 h (2G)
Up to 936 h (3G)
Up to 288 h (2G)
Up to 288 h (3G)
Talk Time Up to 14 h (2G)
Up to 8 h (3G)
Up to 31 h 20 min (2G)
Up to 23 h 40 min (3G)
Up to 23 h (2G)
Up to 18 h (3G)