In an attempt to bridge the gap between the 9800GTX and the GTX260 the 9800GTX+ was created.  [H]ard|OCP gave the card a fair shot and found it to be slightly better than the original, but not enough to recommend it.  Simply shrinking the die was not enough to make this card shine.  It is also hard to locate on online retailers, nVIDIA chose a + symbol, which most search engines treat as an operator, not a model number, and drop it from your search

“The GeForce 9800 GTX+ is supposed to offer better performance than a GeForce 9800 GTX to compete with the Radeon HD 4870. We see how the GeForce 9800 GTX+ stacks up against GeForce 9800 GTX and the ATI Radeon HD 4870 in Crysis, Age of Conan, Call of Duty 4, and Race Driver: Grid.”

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