Phone Comparison - Nokia Lumia 820 vs Nokia Lumia 720 vs Nokia X2

general General Info

Manufacturer Nokia Nokia Nokia
Announced Expected September 2012 February 2013 June 2014
Status Available - November 2012 Available - April 2013 Available - June 2014
Colors Black, Gray, Red, Yellow, White, Blue, Violet White, Red, Yellow, Cyan/Black Bright green, bright red, cyan, yellow, 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)
127.9 x 67.5 x 9 mm
(5.04 x 2.66 x 0.35 in)
121.7 x 68.3 x 11.1 mm
(4.79 x 2.69 x 0.44 in)
Weight 160 g (5.64 oz) 128 g (4.52 oz) 150 g (5.29 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 900 / 2100
4G Network LTE 800 / 1800 / 2600 / 2100/ 900 - -
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM
Build Features - - - Scratch-resistant glass
- ClearBlack display

hardware Hardware and OS

OS Microsoft Windows Phone 8 Microsoft Windows Phone 8 Nokia X Software Platform 2.0 Based on Android OS, v4.3 (Jelly Bean)
Processor Dual-core 1.5 GHz Krait, Qualcomm MSM8960 Snapdragon Dual-core 1 GHz, Qualcomm MSM8227 Dual-core 1.2 GHz Cortex-A7, Qualcomm MSM8210 Snapdragon 200
GPU Adreno 225 Adreno 305 Adreno 302
RAM 1 GB 512 MB 1 GB
Internal Memory 8 GB storage 8 GB storage 4 GB
External Memory microSD, up to 32 GB microSD, up to 64 GB microSD, up to 32 GB

display Display

Type AMOLED capacitive touchscreen TFT capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.3 inches 4.3 inches 4.3 inches
Resolution 480 x 800 pixels (217 ppi) 480 x 800 pixels (217 ppi) 480 x 800 pixels (217 ppi)
Screen-to-Body Ratio 62.04% 60.94% 63.29%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No No Stereo FM Radio with RDS
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 8 MP, 3264x2448 pixels, Carl Zeiss Tessa 6.7 MP, Carl Zeiss optics 5 MP, 2592 х 1944 pixels
Flash LED flash LED flash LED Flash
Features Auto focus, Geo-tagging Auto focus, Geo-tagging 1/4'' Sensor Size, Geo-tagging, Touch Focus, Panorama, Face Detection
Video Yes Yes, 720p@30fps Yes, 720p@30fps
Front Camera Yes [Similar] Yes, 1.3 MP [Similar] Yes, VGA, 480p [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Up to 85.6 kbps
Edge Yes Yes Up to 236.8 kbps
3G HSDPA, 42 Mbps
HSUPA, 5.76 Mbps
LTE, Cat3, 50 Mbps UL, 100 Mbps DL
HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes, v3.1 with A2DP, EDR Yes, v3.0 with A2DP Yes, v4.0 with A2DP, HS
Wi-Fi Wi-Fi 802.11 b/g/n Wi-Fi 802.11 a/b/g/n, dual-band Wi-Fi 802.11 b/g/n, Wi-Fi hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support and GLONASS Yes, with A-GPS support
Browser HTML5 HTML5 HTML

memory User Memory

Internal 8 GB storage, 1 GB RAM 8 GB storage, 512 MB RAM 4 GB, 1 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 64 GB microSD, up to 32 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 not supported

battery Battery

Type Standard battery, Li-Ion Li-Ion Battery Li-Ion Battery
Capacity 1650 mAh 2000 mAh 1800 mAh
Stand by Up to 330 h (2G)
Up to 330 h (3G)
Up to 520 h Up to 552 h
Talk Time Up to 14 h (2G)
Up to 8 h (3G)
Up to 23 h 20 min (2G)
Up to 13 h 20 min (3G)
Up to 10 h (2G)
Up to 13 h (3G)