Screen size
B5025.0"
F52Winner: 5.2"+3.8%
Quick verdict
F52 leads the measured specs 8-2.
Measured wins
B502
2
spec wins
Ties
7
equal specs
F52
8
spec wins
Overall winner
Screen size
Technology
B502
GSM / HSPA
F52
GSM / HSPA / LTE
2G bands
B502
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
F52
GSM 850 / 900 / 1800 / 1900
3G bands
B502
HSDPA 900 / 2100
F52
HSDPA 850 / 900 / 1900 / 2100
Speed
B502
HSPA 21.1/5.76 Mbps
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
F52
HSPA, LTE Cat4 150/50 Mbps
4G bands
B502
-
F52
LTE 700 / 900 / 1800
Announced
B502
2014, October. Released 2014, October
F52
2015, May. Released 2015, May
Status
B502
Discontinued
F52
Discontinued
Dimensions
B502
144 x 69.7 x 7 mm (5.67 x 2.74 x 0.28 in)
F52
147 x 74.5 x 9.3 mm (5.79 x 2.93 x 0.37 in)
Weight
B502
125 g (4.41 oz)
F52
142 g (5.01 oz)
SIM
B502
Dual SIM (Mini-SIM/ Micro-SIM, dual stand-by)
F52
Micro-SIM
Type
B502
IPS LCD
F52
IPS LCD
Size
B502
5.0 inches, 68.9 cm2 (~68.7% screen-to-body ratio)
F52
5.2 inches, 74.5 cm2 (~68.1% screen-to-body ratio)
Resolution
B502
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
F52
1080 x 1920 pixels, 16:9 ratio (~424 ppi density)
OS
B502
Android 4.4.2 (KitKat)
F52
Android 5.0 (Lollipop)
Chipset
B502
Mediatek MT6582 (28 nm)
F52
Qualcomm MSM8939 Snapdragon 615 (28 nm)
CPU
B502
Quad-core 1.3 GHz Cortex-A7
F52
Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
GPU
B502
Mali-400MP2
F52
Adreno 405
Card slot
B502
microSDHC
F52
microSDXC (dedicated slot)
Internal
B502
16GB 2GB RAM
F52
16GB 2GB RAM
Other
B502
-
F52
eMMC 4.5
Single
B502
13 MP, AF
F52
13 MP, AF
Features
B502
LED flash
F52
LED flash, HDR, panorama
Video
B502
Yes
F52
Yes
Single
B502
5 MP
F52
8 MP
Video
B502
F52
Features
B502
-
F52
LED flash
Loudspeaker
B502
Yes
F52
Yes
3.5mm jack
B502
Yes
F52
Yes
WLAN
B502
Wi-Fi 802.11 b/g/n, hotspot
F52
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
B502
3.0, A2DP
F52
4.0, A2DP
Positioning
B502
GPS
F52
GPS
NFC
B502
No
F52
Yes
Radio
B502
FM radio
F52
No
USB
B502
microUSB 2.0
F52
microUSB 2.0
Sensors
B502
Accelerometer, proximity
F52
Accelerometer, proximity, compass
Type
B502
Li-Ion 1800 mAh, non-removable
F52
Li-Ion 2500 mAh, removable
Stand-by
B502
Up to 430 h (3G)
F52
Up to 580 h (3G)
Talk time
B502
Up to 11 h (3G)
F52
Up to 24 h (3G)
Colors
B502
Black, White
F52
Glam Pink, Chic Gray