The D820 and D830 were two notebook computers manufactured by Dell. Both computers were part of Dell's Latitude line of laptops aimed at the corporate and small business market. Dell released the D820 in 2006. The D830 succeeded the D820 a year later. The two laptops differ primarily in terms of their operating systems, chipsets, processors and available memory. Both computers have since been discontinued.
Size and Operating System
Both the D820 and D830 measured 14.2 inches wide, 10.3 inches deep and 1.39 inches thick. The D820 weighed 6.0 lbs while the D830 was slightly lighter, weighing in at 5.97 lbs. Dell offered the D820 with either the Microsoft Windows XP Home or Windows XP Professional operating systems. Dell offered the D830 with the Microsoft Windows Vista Ultimate, Windows Vista Business or Windows Vista Home Basic operating systems, in addition to Windows XP Home and Windows XP Professional.
Which chipset Dell outfitted the D820 with depended on the graphics card chosen at the time of purchase. If customers chose an onboard Intel graphical processing unit (GPU) then the D820 came with the Intel 945GM chipset. If customers upgraded to a discrete NVIDIA GPU, then the D820 came built on the Intel 945PM chipset. Both chipsets featured front-side bus speeds of 667 MHz. Similarly, the GPU chosen by the customer dictated the chipset in the D830. Choosing an onboard Intel GPU meant the computer came built on the Intel 965HM chipset. Choosing a discrete NVIDIA card meant the D830 came built on the Intel 965PM chipset. Both chipsets available in the D830 had front-side bus speeds of 800 MHz.
Dell offered the D820 with a choice between seven different Intel processors, including models from the Intel Core Solo, Intel Core Duo and Intel Core 2 Duo lines. Clock speeds started at 1.66 MHz and came as fast as 2.66 GHz. Dell offered the D830 with a choice between six different processors, all of which came from the Intel Core 2 Duo line. Clock speeds started at 1.8 GHz and went as high as 2.6 GHz.
For storage, base versions of the D820 came with 40 GB internal IDE hard drives, upgradeable to as large as 120 GB. Base versions of the D830 came with 60 GB hard drives, upgradeable to as large as 160 GB. Both computers came standard with 512 MB of RAM, upgradeable to 4 GB. However the D830 was only compatible with 667-MHz RAM, while the D820 worked with 667-MHz as well as 533-MHz RAM.
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