Comparison of Samsung i607 BlackJack and ZTE F870

Attribute	Samsung i607 BlackJack ×	ZTE F870 ×
General
Brand	Samsung	Zte
Launch
Announced	2006-12-01	2009-01-01
Body
Width (mm)	11.8	12.6
Length (mm)	113	108
Height (mm)	59	55.5
Weight (g)	105	100
SIM	Mini-SIM	Mini-SIM
Network
Technology	GSM HSPA	GSM HSPA
2G bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G bands	HSDPA 850 / 1900	HSDPA 850 / 2100 HSDPA 900 / 2100
Speed	HSPA 1.8 Mbps	HSPA 3.6/0.384 Mbps
Platform
OS	Microsoft Windows Mobile 5.0 Smartphone	-
Chipset	TI OMAP 1710	-
CPU	220 MHz ARM926EJ-S	-
Memory
Card slot	microSDHC (dedicated slot)	microSDHC (dedicated slot)
Internal	128MB ROM 64MB RAM	-
Display
Size (in)	2.3	3.2
Resolution (px)	320 x 240	240 x 400
Display Type	TFT	TFT resistive touchscreen
Battery
Type	Removable	Removable
Capcity (mAh)	Li-Ion	Li-Ion
Main Camera
Main Camera Type	Single	Single
Main Camera Properties	1.3 MP	5 MP
Main Camera Video	320p	Yes
Selfie Camera
Selfie Camera Type	-	Single
Selfie Camera Properties	-	Yes
Comms
WLAN	No	No
Bluetooth	2.0, A2DP	2.1, A2DP
GPS	-	-
Radio	No	Stereo FM radio, RDS
USB	2.0	2.0
Sound
Loudspeaker	+	+
3.5mm jack	-	-
Features
Sensors	-	Accelerometer
Misc
Colors	Black	Black Brown Red
Keyboard	QWERTY	-
Phonebook	-	Yes, Photocall
Call records	-	Yes
Alert types	Vibration; Downloadable polyphonic, MP3, WAV ringtones	-
Messaging	-	SMS, MMS, Email
Stand-by (h)	380	-
Browser	WAP 2.0/xHTML, HTML, RSS feeds	WAP 2.0/xHTML
Talk time (h)	Up to 4 h 45 min	-
Games	-	Yes + downloadable
Java	-	Yes, MIDP 2.0