Palm Devices (55-60)

* = removable battery, ++ = touchstone charging available

Name Treo™ 755p Centro™ Centro™ Sprint Treo™ 800w Treo™ Pro Pre™
Status Discontinued Discontinued Discontinued Discontinued Discontinued  Discontinued
Price N/A N/A N/A N/A N/A N/A
RAM / NVFS 128MB 128MB 128MB 256MB (170 user) 256MB (100 user) 8 GB (7.6 GB user)
ROM None None None None None None
OS type / ver 5.4.9 5.4.9 5.4.9 WM 6.1 Pro WM 6.1 Pro WebOS 1.0
CPU speed 312Mhz 312Mhz 312Mhz 333Mhz 400Mhz 600Mhz
CPU mfr Intel Intel Intel Intel Qualcomm TI
CPU type Xscale Xscale Xscale Xscale MSM7201 OMAP3430
Screen (pixels) 320 x 320 320 x 320 320 x 320 320 x 320 320 x 320 320 x 480
Screen (mm or in) 46 x 46 40 x 40 40 x 40 48 x 48 48 x 48 3.1 in
Colors 65536 65536 65536 65536 65536 24 bit
Power Li Ion * Li Ion * Li Ion * Li Ion * Li Ion * Li Ion * ++
Size (in) 4.7 x 3.1 x 4 4.2 x 2.8 x .6 4.3 x 2.8 x .8 4.3 x 2.8 x .8 4.49 x 2.36 x .53 2.3 x 3.9 x .67
Wt (oz) 4.8 4 4 5.4 4.69 4.76
Case Plastic Plastic Plastic Plastic Plastic Plastic
Wireless Phone/IR/BT Phone/IR/BT Phone/IR/BT Phone/IR/BT/Wifi Phone/IR/BT/Wifi  Phone/BT/Wifi
Connector Multi Conn Multi Conn Multi Conn MicroUSB MicroUSB MicroUSB
Expansion MiniSD MicroSD MicroSD MicroSD MicroSD None
Introduction 2007 9/27/2007 10/2008 9/2008 9/2008 5/2009