Heres a quick i5 build that includes a complete system that is hair more than the dell since its using better ram,motherboard,and cpu,power supply. Not to mention includes 22". The dell is using a older athlon ii am3 which is very slow and integrated gfx. And pcie gfx card will beat integrated.
you WILL NOT find a build like this for this price or cheaper for a prebuilt.
Last time i seen a i7 prebuilt from FX they wanted voer 1800 for it and they used really sub par parts.
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