Screen size
B1002.2"
B15Winner: 4.0"+45%
Quick verdict
B15 leads the measured specs 8-2.
Measured wins
B100
2
spec wins
Ties
6
equal specs
B15
8
spec wins
Overall winner
Screen size
Technology
B100
GSM / HSPA
B15
GSM / HSPA
2G bands
B100
GSM 850 / 900 / 1800 / 1900
B15
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
B100
HSDPA 850 / 1700 / 1900 / 2100
B15
HSDPA 900 / 2100 , HSDPA 850 / 1900
Speed
B100
HSPA
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
equal specsWi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
B15
HSPA 7.2/3.6 Mbps
Announced
B100
2013. Released 2013
B15
2013. Released 2013
Status
B100
Discontinued
B15
Discontinued
Dimensions
B100
123 x 56 x 17.5 mm (4.84 x 2.20 x 0.69 in)
B15
125 x 69.5 x 15 mm (4.92 x 2.74 x 0.59 in)
Weight
B100
136 g (4.80 oz)
B15
170 g (6.00 oz)
SIM
B100
Mini-SIM
B15
Dual SIM
Other
B100
IP67 dust/water resistant (up to 1m for 30 min) MIL-STD-810G compliant Drop resistant up to 1.8m
B15
IP67 dust/water resistant (up to 1m for 30 min) MIL-STD-810G compliant Drop resistant up to 1.8m
Type
B100
TFT
B15
TFT
Size
B100
2.2 inches, 15.0 cm2 (~21.8% screen-to-body ratio)
B15
4.0 inches, 45.5 cm2 (~52.4% screen-to-body ratio)
Resolution
B100
240 x 320 pixels, 4:3 ratio (~182 ppi density)
B15
480 x 800 pixels, 5:3 ratio (~233 ppi density)
Protection
B100
-
B15
Corning Gorilla Glass
Chipset
B100
Mediatek MT6276W
B15
Mediatek MT6577 (40 nm)
CPU
B100
411 MHz
B15
Dual-core 1.0 GHz Cortex-A9
GPU
B100
No
B15
PowerVR SGX531
OS
B100
-
B15
Android 4.1 (Jelly Bean)
Card slot
B100
microSDHC (dedicated slot)
B15
microSDHC (dedicated slot)
Phonebook
B100
Yes
B15
-
Call records
B100
Yes
B15
-
Internal
B100
128MB ROM, 64MB RAM
B15
4GB 512MB RAM
Single
B100
3.15 MP
B15
5 MP, AF
Video
B100
320p@30fps
B15
1080p@30fps
Other
B100
No
B15
-
Single
B100
-
B15
VGA
Video
B100
-
B15
Loudspeaker
B100
Yes
B15
Yes
3.5mm jack
B100
Yes
B15
Yes
WLAN
B100
No
B15
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
B100
2.0, A2DP, EDR
B15
3.0, A2DP
Positioning
B100
GPS
B15
GPS
NFC
B100
No
B15
No
Radio
B100
FM radio
B15
FM radio
USB
B100
microUSB 2.0
B15
microUSB 2.0
Sensors
B100
B15
Accelerometer, proximity
Messaging
B100
SMS
B15
-
Games
B100
No
B15
-
Java
B100
B15
-
Other
B100
MP3/AAC+/MP4/H.264 player Photo viewer
B15
-
Type
B100
Li-Ion 1150 mAh, removable
B15
Li-Ion 2000 mAh, non-removable
Stand-by
B100
Up to 552 h
B15
Up to 456 h
Talk time
B100
Up to 10 h
B15
Up to 16 h
Colors
B100
Black
B15
Black
Price
B100
About 140 EUR
B15
About 250 EUR