Sony Ericsson K770 vs. Sony Ericsson K660

	Sony Ericsson K770	Sony Ericsson K660
Overall	Sony Ericsson K770	Sony Ericsson K660
Usability	Sony Ericsson K770	Sony Ericsson K660
Display Resolution	240x320px	240x320px
Display Color	256K	256K
Display Technology	TFT	TFT
Input / Navigation	Numeric Keypad	Navigation Joystick / Button Numeric Keypad
Talk Time	10h	9h
Stand-by Time	400h	330h
Vibration	Available	Available
Ringtones	MP3 72 Channels Polyphonic	MP3 40 Channels Polyphonic uncertain
Hardware	Sony Ericsson K770	Sony Ericsson K660
Processor Speed	Proprietary	Proprietary
External Memory	Memory Stick Micro (M2)	Memory Stick Micro (M2)
Internal Memory	16MB	32MB
Camera Resolution	3.15 Megapix	2 Megapix
Camera Flash	LED
Video Recording	Available	Available
Video Telephony		Available
Battery	930 mAh	950 mAh
Software	Sony Ericsson K770	Sony Ericsson K660
Operating System	Proprietary	Proprietary
Java	MIDP 2.0	MIDP 2.0
Connectivity	Sony Ericsson K770	Sony Ericsson K660
Compatible Networks	UMTS 2100 GSM 1800 GSM 1900 GSM 900	HSDPA 2100 GSM 1800 GSM 1900 GSM 850 GSM 900
USB	v2.0	v2.0
Bluetooth	v2.0	v2.0
EDGE		Class 10
HSCSD	Supported	Supported
Radio	FM RDS	FM RDS
GPRS	Class 10	Class 10
Ergonomics	Sony Ericsson K770	Sony Ericsson K660
Dimensions	105x47x14.5mm 4.13" x 1.85" x 0.57"	104x47x15mm 4.09" x 1.85" x 0.59"
Height	105mm (4.13")	104mm (4.09")
Width	47mm (1.85")	47mm (1.85")
Depth	14.5mm (0.57")	15mm (0.59")
Weight	95g (3.35oz)	95g (3.35oz)
Form Factor	Candy Bar	Candy Bar
Various	Sony Ericsson K770	Sony Ericsson K660
Ballpark Price Estimate	186.00 to 228.30 US$	177.20 to 217.40 US$
Reviews	Good Gear Guide   [ 80/100 ] TechRadar   [ 80/100 ] Phone Arena   [ 73/100 ] CNET Asia   [ 73/100 ] GSMArena mobile-review	TechRadar   [ 80/100 ] Register Hardware   [ 80/100 ] TrustedReviews   [ 70/100 ] CNET Asia   [ 67/100 ] Good Gear Guide   [ 65/100 ] GSMArena mobile-review

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