主题：Lenovo Thinkpad T400 14.1 -- 心文连博

MBA13：

2.26GHz Intel Core 2 Duo

4GB 1066MHz DDR3 SDRAM - 2x2GB

250GB Serial ATA Drive @ 5400 rpm

SuperDrive 8x (DVD±R DL/DVD±RW/CD-RW)

Backlit Keyboard (English) / User's Guide

$1,234.00 ?lb

Thinkpad T400

Intel Core 2 Duo processor T9400 (2.53GHz 1066MHz 6MBL2)

Genuine Windows Vista Home Basic

ATI Mobility Radeon 3470 with 256MB

4 GB PC3-8500 DDR3 SDRAM 1067MHz SODIMM Memory (2 DIMM)

UltraNav (TrackPoint and TouchPad)

CD-RW/DVD-ROM Combo 24X/24X/24X/8X Max, Ultrabay Slim (Serial ATA)

Express Card Slot & PC Card Slot

ThinkPad WiFi (BGN)

Integrated Mobile Broadband upgradable

9 cell Li-Ion Battery

Country Pack North America with Line cord & 90W AC adapter

$1,131.20 5.8lb

HP HDX16

Upgrade to Genuine Windows Vista Ultimate with Service Pack 1 (64-bit)

Intel(R) Core(TM)2 Duo Processor P8700 (2.53GHz)

4GB DDR2 System Memory (2 Dimm)

FREE Upgrade to 320GB 7200RPM SATA Hard Drive

512MB NVIDIA GeForce 9600M GT

16.0" diagonal High Definition HP BrightView Infinity Display (1366x768)

LightScribe SuperMulti 8X DVD+/-RW with Double Layer Support

Webcam + Fingerprint Reader with HP Imprint Finish

Intel Next-Gen Wireless-N Mini-card with Bluetooth

6 Cell Lithium Ion Battery

$1071

这个64bit和32bit的vista有什么不同？