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HP HDX18 (Core 2 Duo T9400 processor 2.53GHz; 2GB RAM)

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Performance And Battery Life

The HP HDX18 has a powerful 2.8GHz Intel Core 2 Duo T9600 CPU, which is similar to the T9500 found in the Acer Aspire 8920. The fourth 18-inch laptop we've seen recently, the Toshiba Qosmio G50, had a slightly older Core 2 Duo T7350, but all four were fairly evenly matched in out benchmark tests. In real-world tasks, including Web surfing, working with Photoshop, or playing back HD video, you're unlikely to notice a difference.

Multimedia multitasking test (in seconds)
(Shorter bars indicate better performance)
HP HDX18
762 


Adobe Photoshop CS3 image-processing test (in seconds)
(Shorter bars indicate better performance)
HP HDX18
170 


Apple iTunes encoding test (in seconds)
(Shorter bars indicate better performance)
HP HDX18
131 


Most 18-inch systems have versions of Nvidia's midrange GeForce 9600 GPU, and again the HDX18 churned out a few more frames per second in Unreal Tournament 3 at 1,280 x 800-pixel resolution, but the difference was minimal, and getting more than 60 frames per second on a non-gaming machine is pretty impressive.

Unreal Tournament 3 (in fps)
(Longer bars indicate better performance)
 1,280 x 800, no AA, no AF   
HP HDX18
61.2 


The HDX18 ran for 2 hours 16 minutes on our video playback battery drain test, which is about average for a desktop replacement. Because desktop replacements spend most of their time tethered to a single location, battery life isn't usually a big factor. Toshiba's Qosmio G50, however, seriously impressed us with more than 3 hours in the same test.

DVD battery drain test (in minutes)
(Longer bars indicate better performance)
HP HDX18
136 


System configurations:

HP HDX18
Windows Vista Home Premium (64-bit); 2.8GHz Intel Core 2 Duo T9600; 3,072MB DDR2 SDRAM 800MHz; 512MB Nvidia GeForce 9600M GT; 160GB Toshiba 7,200rpm .

Acer Aspire 8920
Windows Vista Ultimate Edition SP1; 2.6GHz Intel Core 2 Duo T9500; 4,096MB DDR2 SDRAM 667MHz; 512MB Nvidia GeForce 9650M GS; 320GB Western Digital 5,400rpm.

Toshiba Qosmio G50
Windows Vista Home Premium (64-bit); 2.5GHz Intel Core 2 Duo P7350; 4,096MB DDR2 SDRAM 800MHz; 512MB Nvidia GeForce 9600M GT; 250GB Seagate 5,400rpm (x2).

Service And Support

HP includes an industry-standard one-year parts-and-labor warranty with the system, including toll-free 24/7 phone support. The comprehensive support Web site includes real-time chat with a technical support representative, FAQs, and driver downloads.



Tags: Intel Core 2 Duo, Laptop Computer, Hewlett-Packard Co., multimedia, Acer Inc.
 
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