The best replacement for 8800gt is 8800gts.

The best alternatives to 8800gt are rated as following:
★★★★★  8800gts
★★★  9600gt
★★★  9800gt
★★  gtx 650
★★  8800gtx
★★  gt 610
★★  gt 630
★  9500gt
★  9800gtx
★  5770
★  4850
★  3870
★  gt 640
★  4870
★  intel hd 4000
★  hd 3000
★  6670
★  intel hd 4600
  intel hd 3000
  hd3870
  radeon hd 3870
  gts 250
  gt 620
  220 gt
  rsx
  7900gs
  7900gtx
  hd4850
  260gtx
  9800 gt
  9600 gt
  3850

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Speaking about 8800gt, one probably shouldn't forget about crysis.

Other search terms related to 8800gt and their ratings are:
★★★★★ crysis
★★★★ 9800gt
You have in mind a companion for 8800gt and it is not yet here? Propose!



Google Trends

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8800gt
8800gts
9600gt