Comparison of tablet models

	Nokia 770 (sales finished)	Nokia N800	Nokia N810
Connectivity	WLAN 802.11 b/g Bluetooth 1.2 USB1.1 with Mini B connector	WLAN 802.11 b/g Bluetooth 2.0 EDR USB 2.0 high speed with Mini B connector	WLAN 802.11 b/g Bluetooth 2.0 EDR USB 2.0 high speed OTG with Micro A/B connector
Memory (Flash)	128 MB + 64 MB (RAM)	256 MB + 128 MB (RAM)	256 MB + 128 MB (RAM)
Storage	1 memory card reader compatible with RS-MMC	2 memory card readers (compatible with SD, miniSD, microSD, MMC, and RS-MMC cards up to 8 GB)	2 GB in-built, 1 memory card slot(compatible with miniSD and microSD cards up to 8 GB)
Engine/processor	TI OMAP 1710	TI OMAP 2420	TI OMAP 2420
Operation times	Standby 7 days Browsing 3 hours	Standby 12 days Browsing 4 hours	Standby 12 days Browsing 4 hours
Integrated GPS	No	No	Yes
HW QWERTY keyboard	No	No	Yes
Touch UI	Yes	Yes	Yes
Operating Systems	Internet Tablet OS 2006	Internet Tablet OS 2007 & 2008	Internet Tablet OS 2008

This chart was taken from http://www.forum.nokia.com/main/platforms/maemo/index.html