Sony Ericsson K770 vs. Nokia E51

	Sony Ericsson K770	Nokia E51
Overall	Sony Ericsson K770	Nokia E51
Usability	Sony Ericsson K770	Nokia E51
Display Resolution	240x320px	240x320px
Display Color	256K	16M
Display Technology	TFT	TFT
Input / Navigation	Numeric Keypad	Navigation Joystick / Button Numeric Keypad
Talk Time	10h	4.3h
Stand-by Time	400h	310h
Vibration	Available	Available
Ringtones	MP3 72 Channels Polyphonic	MP3 64 Channels Polyphonic
Hardware	Sony Ericsson K770	Nokia E51
Processor Speed	Proprietary	369MHz
RAM		96MB
External Memory	Memory Stick Micro (M2)	microSD
Internal Memory	16MB	130MB
Camera Resolution	3.15 Megapix	2 Megapix
Camera Flash	LED
Video Recording	Available	Available
Battery	930 mAh	1050 mAh
Software	Sony Ericsson K770	Nokia E51
Operating System	Proprietary	Symbian v9.2
Developer Platform		Series 60 3.1 Edition
Java	MIDP 2.0	MIDP 2.0
Connectivity	Sony Ericsson K770	Nokia E51
Compatible Networks	UMTS 2100 GSM 1800 GSM 1900 GSM 900	HSDPA 2100 HSDPA 850 GSM 1800 GSM 1900 GSM 850 GSM 900
WLAN		Wi-Fi 802.11b/g
USB	v2.0	v2.0
Bluetooth	v2.0	v2.0
EDGE		Class 32
Infrared		Available
HSCSD	Supported	Supported
Radio	FM RDS	FM
GPRS	Class 10	Class 32
PTT		Supported
Ergonomics	Sony Ericsson K770	Nokia E51
Dimensions	105x47x14.5mm 4.13" x 1.85" x 0.57"	114.8x46x12mm 4.52" x 1.81" x 0.47"
Height	105mm (4.13")	114.8mm (4.52")
Width	47mm (1.85")	46mm (1.81")
Depth	14.5mm (0.57")	12mm (0.47")
Weight	95g (3.35oz)	100g (3.53oz)
Form Factor	Candy Bar	Candy Bar
Various	Sony Ericsson K770	Nokia E51
Ballpark Price Estimate	186.00 to 228.30 US$	212.00 to 260.20 US$
Reviews	Good Gear Guide   [ 80/100 ] TechRadar   [ 80/100 ] CNET Asia   [ 73/100 ] mobile-review	TechRadar   [ 90/100 ] CNET Asia   [ 80/100 ] TechRadar   [ 80/100 ] Good Gear Guide   [ 60/100 ] mobile-review MobileBurn

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