Sony Vaio VGN-TX770

Intel Pentium M Ultra Low Voltage 773 (1.30 GHz, 2 MB L2 cache, 400 MHz FSB)

Intel 915 GMS Chipset with Intel Integrated Graphics Media Accelerator 900 with up to 128 MB Shared Video Memory

1 GB (PC2-3200) Dual Channel DDR 2 533 MHz (1.5 GB Maximum)

80 GB 4200 RPM HDD Ultra ATA

Built in DVD Burner

11.1″ WXGA Display (1366×768 resolution) with XBrite Technology

Intel PRO/Wireless 2200 B/G Wireless LAN

Integrated Wireless Access Network (WAN) accessing Cingular Wireless National

EDGE Network

Integrated Bluetooth

1 x PC Card Slot

Memory Stick/SD Memory Card Slot

2 USB Ports/VGA Out/Port Replicator/Microphone&Headphone

Jack/Modem/Ethernet/FireWire

Instant ON DVD/Music Player

Laptop battery

Simply put, the battery life of the Sony TX is absolutely amazing. This laptop uses a 7800 mAH battery that only slightly protrudes from the back of the machine. Sony claims that a user can have anywhere from 4 to 7.5 hours of battery life with the standard battery. With Wi-Fi on and medium brightness, I easily had 4.5 to 5 hours. With Wi-Fi off I had well over 5 hours of battery life! If I kept the screen brightness at a minimum, I probably would have squeezed out even more battery life. I was really impressed with the battery life of this laptop. A business user would have no problems making cross country flights with this notebook. Sony also offers a heavier, higher capacity battery that has over 1.5 times longer life than the standard battery.

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