The GTX is one of the older 90nm parts, with 681 million transistors packed onto it. Its 768MB of GDDR3 memory runs at 900MHz, with a 384-bit bus – wider than any of ATi’s offerings.
It has 128 stream processors clocked at 1.35GHz, and a core clock of 575MHz. It’s one of only two to support three-way SLI, although as we’ve discovered recently the benefits of this aren’t as great as they may sound.
Taking the results in isolation, the GTX would appear to be an excellent gaming card. It raced to 62fps in our Medium Crysis test, and its 29fps in the High test is just about playable. In Call of Duty 4, it managed a healthy 62fps in our High settings test, and it even managed 45fps in the tough Medium Call of Juarez benchmark.
But when you factor the $540 price into the picture, the GTX is overshadowed. First, there’s ATi’s monstrous Radeon HD 3870 X2, which costs the same but comfortably beat the GTX in our high-resolution tests.
Then there’s Nvidia’s own 8800 GTS 512MB: essentially an update of the GTX but with a different name, this uses a more efficient architecture, adds support for PCI Express 2.0, costs just $340 and puts in a comparable performance in most of our tests. It’s therefore difficult to recommend the ageing GTX any more.
As we were finishing testing its replacement, the 9800 GTX finally arrived. While the improvements weren’t what we’d hoped it’s still the fastest single-GPU card around.
But, with a bit of luck, you’ll be able to find an 8800 GTX in a clearance sale sometime soon!
A popular and fast top-end option, but it’s losing its grip to new competition from both sides.