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 Juice box |
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| HP Pavilion dm4 | Average watts per hour |
| Off (60%) | 0.6 |
| Sleep (10%) | 1.01 |
| Idle (25%) | 8.28 |
| Load (05%) | 45.02 |
| Raw kWh Number | 41.89 |
| Annual Energy Cost | $4.75 |
The HP Pavilion dm4 ran for 4 hours and 21 minutes on our video playback battery drain test, using the included 6-cell battery. That's excellent for a 14-inch laptop, especially as we've seen some disappointing battery performances from midsize laptops lately. As it's slim and light enough to be an occasional (but not everyday) road machine, the long battery life is especially appreciated.
HP includes an industry-standard one-year mail-in parts-and-labor warranty with the system. Upgrading to a three-year plan will cost an extra $259, which includes on-site service, with additional upgrade levels available for "accidental damage." Support is accessible through a 24-7 toll-free phone line, an online knowledge base, and driver downloads.
(Shorter bars indicate better performance)
(Shorter bars indicate better performance)
(Shorter bars indicate better performance)
(Longer bars indicate better performance)
Find out more about how we test laptops.
System configurations:
HP Pavilion dm4-1003
Windows 7 Home Premium (64-bit); 2.4GHz Intel Core i5 M520; 4096MB DDR3 SDRAM 1333MHz; 64MB (Dedicated)/1695MB (Total); 320GB Toshiba 7,200rpm
Sony Vaio VPC-Z116GX/S
Windows 7 Professional (64-bit); 2.4GHz Intel Core i5 M520; 4096MB DDR3 SDRAM 1066MHz; 1GB Nvidia GeForce GT 330M; 256GB Intel SSD
Samsung NP-R580-JSB1US
Windows 7 Home Premium (64-bit); 2.26GHz Intel Core i5 M430; 4096MB DDR3 SDRAM 1066MHz; 512MB Nvidia GeForce 310M; 500GB Seagate 5,400rpm
Lenovo Ideapad Y460
Windows 7 Home Premium (64-bit); 2.4GHz Intel Core i5 M520; 4096MB DDR3 SDRAM 1066MHz; 1GB ATI Mobility Radeon HD 5650; 500GB Seagate 5,400rpm
What You'll Pay
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