Screen size
A34.5"
B502Winner: 5.0"+10%
Quick verdict
B502 leads the measured specs 11-1.
Measured wins
A3
1
spec wins
Ties
5
equal specs
B502
11
spec wins
Overall winner
Screen size
Technology
A3
GSM / HSPA
B502
GSM / HSPA
2G bands
A3
GSM 850 / 900 / 1800 / 1900
B502
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
A3
HSDPA 900 / 2100
B502
HSDPA 900 / 2100
Speed
A3
HSPA 7.2/5.76 Mbps
B502
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
HSPA 21.1/5.76 Mbps
Announced
A3
2013, November. Released 2013, November
B502
2014, October. Released 2014, October
Status
A3
Discontinued
B502
Discontinued
Dimensions
A3
133.9 x 66 x 10 mm (5.27 x 2.60 x 0.39 in)
B502
144 x 69.7 x 7 mm (5.67 x 2.74 x 0.28 in)
Weight
A3
135 g (4.76 oz)
B502
125 g (4.41 oz)
SIM
A3
Mini-SIM
B502
Dual SIM (Mini-SIM/ Micro-SIM, dual stand-by)
Type
A3
IPS LCD
B502
IPS LCD
Size
A3
4.5 inches, 55.8 cm2 (~63.2% screen-to-body ratio)
B502
5.0 inches, 68.9 cm2 (~68.7% screen-to-body ratio)
Resolution
A3
540 x 960 pixels, 16:9 ratio (~245 ppi density)
B502
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
OS
A3
Android 4.1.2 (Jelly Bean)
B502
Android 4.4.2 (KitKat)
Chipset
A3
Qualcomm MSM8225Q Snapdragon S4 Play
B502
Mediatek MT6582 (28 nm)
CPU
A3
Quad-core 1.2 GHz Cortex-A5
B502
Quad-core 1.3 GHz Cortex-A7
GPU
A3
Adreno 203
B502
Mali-400MP2
Card slot
A3
microSDHC (dedicated slot)
B502
microSDHC
Internal
A3
4GB 1GB RAM
B502
16GB 2GB RAM
Single
A3
8 MP, AF
B502
13 MP, AF
Features
A3
LED flash
B502
LED flash
Video
A3
Yes
B502
Yes
Single
A3
2 MP
B502
5 MP
Video
A3
B502
Loudspeaker
A3
Yes
B502
Yes
3.5mm jack
A3
Yes
B502
Yes
WLAN
A3
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, hotspot
B502
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
A3
Yes
B502
3.0, A2DP
Positioning
A3
GPS
B502
GPS
NFC
A3
No
B502
No
Radio
A3
Stereo FM radio
B502
FM radio
USB
A3
microUSB 2.0
B502
microUSB 2.0
Sensors
A3
Accelerometer, proximity, compass
B502
Accelerometer, proximity
Type
A3
Li-Ion 2000 mAh, removable
B502
Li-Ion 1800 mAh, non-removable
Stand-by
A3
-
B502
Up to 430 h (3G)
Talk time
A3
-
B502
Up to 11 h (3G)
Colors
A3
Black, White
B502
Black, White
Price
A3
About 150 EUR
B502
-