Phone Comparison - Samsung Galaxy S Duos S7562 vs Nokia Lumia 820 vs Nokia Lumia 720

general General Info

Manufacturer Samsung Nokia Nokia
Announced July 2012 Expected September 2012 February 2013
Status Available - September 2012 Available - November 2012 Available - April 2013
Colors White Black, Gray, Red, Yellow, White, Blue, Violet White, Red, Yellow, Cyan/Black
Form Factor Candybar Candybar Candybar
Dimension 121.5 x 63.1 x 10.5 mm
(4.78 x 2.48 x 0.41 in)
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)
Weight 120 g (4.23 oz) 160 g (5.64 oz) 128 g (4.52 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network - LTE 800 / 1800 / 2600 / 2100/ 900 -
Messaging SMS, MMS, Push Mail, EMail SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v4.0 (Ice Cream Sandwich) Microsoft Windows Phone 8 Microsoft Windows Phone 8
Processor 1 GHz Cortex-A5, Qualcomm MSM7227A Snapdragon Dual-core 1.5 GHz Krait, Qualcomm MSM8960 Snapdragon Dual-core 1 GHz, Qualcomm MSM8227
GPU Adreno 200 Adreno 225 Adreno 305
RAM 768 MB 1 GB 512 MB
Internal Memory 4 GB storage 8 GB storage 8 GB storage
External Memory microSD, up to 32 GB microSD, up to 32 GB microSD, up to 64 GB

display Display

Type TFT capacitive touchscreen AMOLED capacitive touchscreen TFT capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.0 inches 4.3 inches 4.3 inches
Resolution 480 x 800 pixels (233 ppi) 480 x 800 pixels (217 ppi) 480 x 800 pixels (217 ppi)
Screen-to-Body Ratio 59.52% 62.04% 60.94%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 5 MP, 2592х1944 pixels 8 MP, 3264x2448 pixels, Carl Zeiss Tessa 6.7 MP, Carl Zeiss optics
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging Auto focus, Geo-tagging Auto focus, Geo-tagging
Video Yes, FWVGA@30fps Yes Yes, 720p@30fps
Front Camera Yes, VGA [Similar] Yes [Similar] Yes, 1.3 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps HSDPA, 42 Mbps
HSUPA, 5.76 Mbps
LTE, Cat3, 50 Mbps UL, 100 Mbps DL
HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes, v3.0 with A2DP Yes, v3.1 with A2DP, EDR Yes, v3.0 with A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n Wi-Fi 802.11 a/b/g/n, dual-band
USB Yes, microUSB v2.0 Yes, microUSB v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS support and GLONASS
Browser HTML, Adobe Flash Lite HTML5 HTML5

memory User Memory

Internal 4 GB storage, 768 MB RAM 8 GB storage, 1 GB RAM 8 GB storage, 512 MB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 32 GB microSD, up to 64 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 supported NFC supported

battery Battery

Type Standard battery, Li-Ion Standard battery, Li-Ion Li-Ion Battery
Capacity 1500 mAh 1650 mAh 2000 mAh
Stand by Up to 445 h (2G)
Up to 330 h (3G)
Up to 330 h (2G)
Up to 330 h (3G)
Up to 520 h
Talk Time Up to 13 h (2G)
Up to 7 h 25 min (3G)
Up to 14 h (2G)
Up to 8 h (3G)
Up to 23 h 20 min (2G)
Up to 13 h 20 min (3G)