the products is compared are Sony VAIO VGN-TZ31XNB, Sony VAIO VGN-SZ71MNB, Sony VAIO VGN-NS11S-S, Sony VAIO VGN-FZ31Z , compare, comparison, specs, review, preview

		Sony VAIO VGN-TZ31XNB	Sony VAIO VGN-SZ71MNB	Sony VAIO VGN-NS11S-S	Sony VAIO VGN-FZ31Z
Main Specifications	Chip Set	Intel 945GM Chipset	Intel 965PM Chipset	Intel 965PM Chipset	Intel 965PM Chipset
	Dimensions	277 x 198 x29 mm.	315 x 234 x21.8 mm.	360 x 270 x 38 mm.	335 x 254 x 30 mm.
	Operation Sistem	MS Vista Business	MS Vista Business	MS Vista Home Premium	MS Vista Home Premium
	Weight	1.19 Kg.	1.93 Kg.	2.95 Kg.	2.18 Kg.
Processor Specifications	Processor Cache Memory	2 MB	3 MB	2 MB	3 MB
	Processor Databus Speed	533 Mhz	800 Mhz	800 Mhz	800 Mhz
	Processor Model	U7600	T8100	T5800	T8300
	Processor Speed	1.2 Ghz	2.1 Ghz	2 Ghz	2.4 Ghz
	Processor Type	Core 2 Duo	Core 2 Duo	Core 2 Duo	Core 2 Duo
Memory Specifications	Max Memory Size	2 GB	4 GB	4 GB	4 GB
	Memory Size	2 GB	2 GB	4 GB	4 GB
	Memory Speed	DDR2 PC4200 533 MHZ	DDR2 PC5300 667 MHZ	DDR2 800 Mhz	DDR2 PC5300 667 MHZ
Storage Specifications	HDD Capacity	120 Gb	200 GB	320 MB	300 MB
	HDD RPM	5400	5400	5400	4200
	HDD Type	SATA	SATA	SATA	SATA
Display Specifications	Display Dimensions	11.1"	13.3"	15.4"	15.4"
	Display Solubility	1366x768 Pixel	1280x800 Pixel	1280x800 Pixel	1280x800 Pixel
	Display Type	WXGA X-Black	WXGA	WXGA	WXGA X-Black
	Graphic Card	224MB	Nvidia® GeForce 8400M DirectX 10	ATI Radeon HD 3430 Max. 1510 MB	Nvidia® GeForce 8600GS DirectX 10
Connection Specifications	Bluetooth	2.0 + EDR 10m.	2.0 + EDR 10m.		2.0 + EDR 10m.
	Ethernet	10/100	10/100	10/100	10/100
	Infrared
	Modem	56K V90/V92	56K V90/V92	56K V90/V92	V.92/V.90 Modem (RJ-11)
	Wireless	Wireless 802.11b/g	Wireless 802.11b/g	Wireless 802.11b/g	Intel Pro 4965AGN 802.11a/b/g/Draft N
Other Specifications	Card Reader	3-in-1 Card Reader	Memory Stick Slot / SD Card Slot	MemD ory Stick t / SCard SlotSlo	3-in-1 Card Reader
	Finger Print Reader
	Internal Camera	VGA(640x480)	VGA(640x480)	1.3 MP	1.3 MP
	Microphone
	Optical Disk	DVD Dual RW	DVD Dual RW	DVD Dual RW	DVD Dual RW
	Ports	I/O Port 1 x IEEE1394, 2x USB 2.0, 1 x RJ11,1 x RJ45, Express Card Slot	I/O Port 1 x IEEE1394, 2x USB 2.0, 1 x RJ11,1 x RJ45, Express Card Slot	4x USB, 1x S-Video, 1 x Fire Wire	I/O Port 1 x IEEE1394, 2x USB 2.0, 1 x RJ11,1 x RJ45, Express Card Slot
	Sound Card	Internal Sound Card	Internal Sound Card	Internal Sound Card	Internal Sound Card
	Speaker	An Internal Loudspeaker	An Internal Loudspeaker	An Internal Loudspeaker	An Internal Loudspeaker
Battery Specifications	Battery Life	7.5 Hours	5 Hours	3 Hours	4.5 Hours
Battery Specifications	Battery Type	Li-Ion	Li-Ion	Li-Ion	Li-Ion

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