Comparison of Unnecto Quattro Z and Yezz Billy 4

Attribute	Unnecto Quattro Z ×	Yezz Billy 4 ×
General
Brand	Unnecto	Yezz
Launch
Announced	2014-06-01	2014-06-01
Body
Width (mm)	9.4	9.9
Length (mm)	125.5	122.5
Height (mm)	65	64.4
Weight (g)	110	109
SIM	Dual SIM (dual stand-by)	Dual SIM (Micro-SIM)
Network
Technology	GSM HSPA	GSM HSPA
2G bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G bands	HSDPA 850 / 1900 / 2100	HSDPA 850 / 1900 - SIM 1 & SIM 2 - BM4MI043 HSDPA 900 / 2100
Speed	HSPA 21.1/5.76 Mbps	HSPA 42.2/5.76 Mbps
Platform
OS	Android 4.2.2 (Jelly Bean)	Microsoft Windows Phone 8.1
Chipset	-	Qualcomm MSM8212 Snapdragon 200 (28 nm)
CPU	Dual-core 1.2 GHz	Quad-core 1.2 GHz Cortex-A7
GPU	Mali-400	Adreno 302
Memory
Card slot	microSDHC	microSDXC (dedicated slot)
Internal	4GB 512MB RAM	4GB 512MB RAM
Display
Size (in)	4	4
Resolution (px)	480 x 800	480 x 800
Display Type	IPS LCD	TFT
Battery
Type	Li-Ion	Li-Ion
Capcity (mAh)	1500	1300
Main Camera
Main Camera Type	Single	Single
Main Camera Properties	8 MP	8 MP, AF
Main Camera Video	Yes	720p@30fps
Main Camera Features	LED flash	LED flash
Selfie Camera
Selfie Camera Type	Single	Single
Selfie Camera Properties	VGA	1.3 MP
Comms
WLAN	Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot	Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
Bluetooth	4.0, A2DP	4.0, A2DP
GPS	+	+
NFC	-	-
Radio	FM radio	Stereo FM radio
USB	microUSB	microUSB 2.0
Sound
Loudspeaker	+	+
3.5mm jack	+	+
Features
Sensors	-	Accelerometer proximity
Misc
Colors	Black Blue White	Black Blue Champing Gold Gun Metal Red White Yellow
Stand-by (h)	600	350
Talk time (h)	Up to 11 h	Up to 7 h (2G) / Up to 4 h 30 min (3G)