“What are the hardware differences between this model (4101DX) and the previous model (4003DX)? I see that OS changed from Windows 8.1 to Windows 10, but were there any hardware changes?”

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• This model is slightly lighter than the previous. The older model was 3.26lbs, this model is 3.13lbs. Otherwise, besides the windows 10, they are identical. Really nice, premium laptop. Would recommend.

  Answered by upstart27 10 years ago

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• RAM in 4003dx is LPDDR3 (low power 115mV) and RAM in 4101dx is DDR3L (135mV). Both are lower energy usage when compared to the regular DDR3 RAM 9150mV. Another major difference as reported to me by HP is that the 4003dx model RAM is soldered in to the board and is not user interchangeable. I have no idea what it is on the 4101dx. Other differences (that I have not verified) are the speakers (B&O versus ?supplier) and touchpad firmware.

  Answered by gold2001 10 years ago

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• You've found the answer - from all my research (quite a bit), the ONLY difference is 8.1 is on the 4003 and 10 is on the 4101.

  Answered by Liftnbuddy 10 years ago

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• HP Team, you specified the difference between the 4001DX and the 4003DX. Can you specify the hardware differences between the 4101DX (new i7 FHD model) and the 4003DX (old i7 FHD model)?

  Answered by PsylentStorm 10 years ago

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• There is no difference expect the windows version. 4101 pre-install windows 10.

  Answered by Phillip 10 years ago

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• The hardware differences for the 4101DX and the 4003DX are: 4001dx- 5th generation Intel® Core™ i5-5200U processor, processor speed 2.2ghZ/ processor cache 3mb l3 cache, On-board 4GB 1600MHz LPDDR3 SDRAM memory, 128GB solid-state drive, Up to 12 hours and 30 minutes battery life; 4003dx- 5th generation Intel® Core™ i7-5500U processor, processor speed 2.4ghz/ processor cache 4mb l3 cache, On-board 8GB 1600MHz LPDDR3 SDRAM memory, 256GB solid-state drive, Up to 12 hours battery life

  Answered by HP Team 10 years ago

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