55nm GT200: NVIDIA GeForce GTX 285 1GB Review
GTX 285 Shows its 55nm Face
A week ago today we brought you the scoop on the new GeForce GTX 295 graphics card from NVIDIA that utilized a pair of 55nm GT200-based GPUs on a single card to produce the single fastest graphics card on the planet. At the end of that write up, I mentioned that NVIDIA was already telling the world about the upcoming GeForce GTX 285 - a single GPU version of the same (or mostly similar GT200) 55nm GPU that would essentially replace the 65nm GeForce GTX 280 and offer slightly better performance with slightly lower power consumption.
Right on time, and with before launch availability, NVIDIA has delivered on its promise and brought us the GeForce GTX 285.
Oh, and I'm not going to lie - this article is going to be short and to the point - we just got the cards in YESTERDAY so we didn't have a lot of time with them yet so benchmarks are limited. We did get to overclock them (but popular request in the forums) and take shiny pictures too. Oh, and it's about 4:15am here as I write this opening sentence...
What's changed with this GTX 285 thing?
I get the impression that NVIDIA itself is actually tired of releasing new products. After the onslaught in the past couple of months with new drivers, 3D Vision and the GTX 295 card, the GTX 285 is really getting a raw deal from the PR committee - but maybe that's because it doesn't really need any.
What is essentially a die-shrink update to the existing (and EOL'd) GTX 280, the GTX 285 takes the same GT200 architecture and moves it from the 65nm process to the smaller, more power efficient 55nm process we have seen on other NVIDIA GPUs since mid-to-late last year.
This added power efficiency does lead to one strong positive for the new design: it no longer requires a 6-pin AND an 8-pin ATX power connector and can now run on a pair of 6-pin connections instead.
Anonymous GTX 285
- 240 stream processors
- 80 texture units
- 1GB GDDR3 frame buffer
- 512-bit memory bus
Reference speeds did get a nice boost though:
- Core: 648 MHz (GTX 280: 615 MHz)
- Shader: 1476 MHz (GTX 280: 1350 MHz)
- Memory: 1242 MHz (GTX 280: 1107 MHz)
Nothing too dramatic but a healthy bump up in speed; with the move to a more power efficient design NVIDIA is able to push the clocks a bit higher and maintain a similar (actually ends up being a bit lower) power envelope. Also of note is that the two GeForce GTX 285 cards we got in for review were both running at overclocked speeds so it would seem NVIDIA let the flood gates open early on that front.
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