Phone Comparison - Panasonic T31 vs Nokia Asha 503 Dual SIM vs Nokia Lumia 525

general General Info

Manufacturer Panasonic Nokia Nokia
Announced October 2013 October 2013 November 2013
Status Available - November 2013 Coming Soon - Q4 2013 Available - January 2014
Colors Bluish Black, Pure White Yellow, black, green, red, blue, white Yellow, orange, white, black
Form Factor Candybar Candybar Candybar
Dimension 122 x 64.4 x 11.95 mm
(4.8 x 2.54 x 0.47 in)
102.6 x 60.6 x 12.7 mm
(4.04 x 2.39 x 0.5 in)
119.9 x 64 x 9.9 mm
(4.72 x 2.52 x 0.39 in)
Weight 120 g (4.23 oz) 111.4 g (3.92.0.14 oz) 124 g (4.37 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 1900 / 2100 HSDPA 900 / 2100 HSDPA 900 / 2100
HSDPA 850 / 1900 / 2100
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM
Build Features - - Super sensitive touch for finger nail and glove use, Changeable backcover

hardware Hardware and OS

OS Android OS, v4.2.2 (Jelly Bean) with FOTA upgrade Nokia Asha software platform 1.2 Microsoft Windows Phone 8
Processor Dual-core 1.3 GHz, MTK 6572 - Dual-core 1 GHz, Qualcomm MSM8227 Snapdragon S4
GPU Mali-400 - Adreno 305
RAM 512 MB 64 MB 1 GB
Internal Memory 4 GB (1.9 GB user memory) N/A 8 GB ROM
External Memory microSD, up to 32 GB microSD, up to 32 GB, 4 GB card included microSD, up to 64 GB

display Display

Type TFT capacitive touchscreen TFT capacitive touchscreen IPS LCD Capacitive Touchscreen, 2D Hardened Glass
Colors 16M colors 256K colors 16M colors
Size 4.0 inches 3.0 inches 4.0 inches
Resolution 480 x 800 pixels (233 ppi) 240 x 320 pixels (133 ppi) 480 x 800 pixels (233 ppi)
Screen-to-Body Ratio 58.08% 45.05% 59.47%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 3.2 MP, 2048x1536 pixels 5 MP, 2592x1944 pixels 5 MP, 2592х1944 pixels
Flash No LED flash No
Features Fixed Focus, Geo-tagging - Auto focus, Geo-tagging, Touch Focus, Face Detection, Nokia Smart Camera, Cinemagraph lens, Panorama lens, Bing vision
Video Yes, VGA@30fps Yes, QVGA@15fps Yes, 720p@30fps
Front Camera Yes, VGA [Similar] No [Similar] No [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Up to 85.6 kbps Yes
Edge Yes Up to 236.8 kbps Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes, v4.0 with A2DP Yes, v3.0 with A2DP Yes, v4.0 with A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 b/g/n Wi-Fi 802.11 b/g/n
USB Yes, microUSB v2.0 Yes, microUSB v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS support No Yes, with A-GPS support and GLONASS
Browser HTML5 WAP 2.0/xHTML HTML5

memory User Memory

Internal 4 GB (1.9 GB user memory), 512 MB RAM 64 MB RAM 8 GB ROM, 1 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 32 GB, 4 GB card included 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 not supported NFC not supported

battery Battery

Type Li-Ion Battery Li-Ion Battery (BL-4U) Li-Ion Battery
Capacity 1300 mAh 1200 mAh 1430 mAh
Stand by Up to 510 h (2G)
Up to 400 h (3G)
Up to 480 h (2G)
Up to 480 h (3G)
Up to 336 h
Talk Time Up to 3 h 30 min (2G)
Up to 9 h 30 min (3G)
Up to 12 h (2G)
Up to 4 h 30 min (3G)
Up to 16 h 54 min (2G)
Up to 10 h 36 min (3G)