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Dell Inspiron 1525-139B review: Dell Inspiron 1525-139B

Most laptop batteries are labeled for 56Wh (or Watt Hours), which means they can hypothetically power a one-watt load for 56 hours. The older 1525-121B had a standard 56Wh battery, while the new 1525-139B has only a 41Wh battery, which one would never notice without taking the battery out and reading the fine print stamped on it--as the batteries (and systems) look physically identical. Thus, our shorter battery life, and one more area where budget-minded PC makers are apparently trying to shave a little cost from their systems.

Dell includes an industry-standard one-year parts-and-labor warranty with the Inspiron 1525-139B, and the Dell Web site has a robust collection of support tools, including online chat, a Flash-based question widget, and 24-7 toll-free telephone support. Retail stores offer a variety of extended warranty plans with your laptop purchase, but they're generally expensive and hard to use, so we do not recommend them.

Multimedia multitasking test (in seconds)
(Shorter bars indicate better performance)
Gateway T-6330U
1,032 
Dell Inspiron 1525-139B
1,043 
Acer Aspire 5735-4624
1,091 
Compaq Presario CQ50-215NR
1,569 

Adobe Photoshop CS3 image-processing test (in seconds)
(Shorter bars indicate better performance)
Dell Inspiron 1525-139B
215 
Gateway T-6330U
228 
Acer Aspire 5735-4624
242 
Compaq Presario CQ50-215NR
361 

Apple iTunes encoding test (in seconds)
(Shorter bars indicate better performance)
Gateway T-6330U
215 
Acer Aspire 5735-4624
221 
Dell Inspiron 1525-139B
221 
Compaq Presario CQ50-215NR
262 

Video playback battery drain test (in minutes)
(Longer bars indicate better performance)
Gateway T-6330U
162 
Acer Aspire 5735-4624
140 
Dell Inspiron 1525-139B
127 
Compaq Presario CQ50-215NR
99 

Find out more about how we test laptops.

Dell Inspiron 1525-139B
Windows Vista Home Premium SP1; 2.0GHz Intel Pentium Dual Core T3200; 3,072MB DDR2 SDRAM 667MHz; 128MB Mobile Intel 965GM; 160GB Samsung 5,400rpm.

Acer Aspire 5735-4624
Windows Vista Home Premium SP1; 2.0GHz Intel Pentium Dual Core T3200; 2,048MB DDR2 SDRAM 667MHz; 64MB Intel GMA 4500MHD; 160GB Hitachi 5,400rpm.

Compaq Presario CQ50-215NR
Windows Vista Home Premium SP1; 1.9GHz AMD Athlon X2 Dual-Core QL-60; 2048MB DDR2 SDRAM 667MHz; 256MB Nvidia GeForce 8200M G; 160GB Hitachi 5,400rpm.

Gateway T-6330U
Windows Vista Home Premium SP1; 2.0GHz Intel Pentium Dual Core T3200; 3,072MB DDR2 SDRAM 667MHz; 128MB Mobile Intel 965GM; 250GB Western Digital 5,400rpm.

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