Phone Comparison - Nokia Lumia 520 vs Samsung Galaxy Ace 3 S7270 vs Samsung Galaxy S Duos 2 S7582

general General Info

Manufacturer Nokia Samsung Samsung
Announced February 2013 June 2013 November 2013
Status Available - April 2013 Available - Q3 2013 Available - November 2013
Colors Yellow, red, cyan, white/black Black, White White, Black
Form Factor Candybar Candybar Candybar
Dimension 119.9 x 64 x 9.9 mm
(4.72 x 2.52 x 0.39 in)
121.2 x 62.7 x 9.8 mm
(4.77 x 2.47 x 0.39 in)
121.5 x 63.1 x 10.57 mm
(4.78 x 2.48 x 0.42 in)
Weight 124 g (4.37 oz) 115 g (4.06 oz) 118 g (4.16 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 900 / 2100
HSDPA 850 / 1900 / 2100
HSDPA 900 / 2100 HSDPA 900 / 2100
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail

hardware Hardware and OS

OS Microsoft Windows Phone 8 Android OS, v4.2 (Jelly Bean) Android OS, v4.2 (Jelly Bean)
Processor Dual-core 1 GHz, Qualcomm MSM8227 Snapdragon S4 Dual-core 1 GHz Dual-core 1.2 GHz Cortex-A9, Broadcom BCM21664
GPU Adreno 305 - Broadcom VideoCore IV
RAM 512 MB 1 GB 768 MB
Internal Memory 8 GB storage 4 GB (1.77 GB user available) 4 GB (1.9 GB user available)
External Memory microSD, up to 64 GB microSD, up to 64 GB microSD, up to 32 GB

display Display

Type IPS LCD capacitive touchscreen TFT capacitive touchscreen TFT Capacitive Touchscreen, PLS
Colors 16M colors 16M colors 16M colors
Size 4.0 inches 4.0 inches 4.0 inches
Resolution 480 x 800 pixels (233 ppi) 480 x 800 pixels (233 ppi) 480 x 800 pixels (233 ppi)
Screen-to-Body Ratio 59.47% 60.05% 59.52%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM Radio Stereo FM radio with RDS Stereo FM radio with RDS
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 5 MP, 2592х1944 pixels 5 MP, 2592x1944 pixels 5 MP, 2592х1944 pixels
Flash No LED flash LED flash
Features Auto focus, Geo-tagging Auto focus, Sound & Shot, Best Shot, Best Photo, Geo-tagging, Face And Smile Detection Auto focus, Geo-tagging
Video Yes, 720p@30fps Yes, 720p@30fps Yes, 720p@30fps
Front Camera No [Similar] Yes, VGA [Similar] Yes, VGA [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA 14.4 Mbps, HSUPA 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes, v4.0 with A2DP Yes, v4.0 with A2DP Yes, v4.0 with A2DP
Wi-Fi Wi-Fi 802.11 b/g/n Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot, Wi-Fi Direct
USB Yes, microUSB v2.0 Yes, microUSB v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS support and GLONASS Yes, with A-GPS support and GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 8 GB storage, 512 MB RAM 4 GB (1.77 GB user available), 1 GB RAM 4 GB (1.9 GB user available), 768 MB RAM
Expandable Storage microSD, up to 64 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 not supported NFC not supported NFC not supported

battery Battery

Type Li-Ion Battery Li-Ion Battery Standard battery, Li-Ion
Capacity 1430 mAh 1500 mAh 1500 mAh
Stand by Up to 384 h (3G)
Up to 360 h (3G)
- Up to 280 h (3G)
Talk Time Up to 17 h 24 min (2G)
Up to 9 h 42 min (3G)
- Up to 8 h (3G)