GeForce GTX 285: 55nm Enabling Higher Performance
Just last week, NVIDIA announced both the GTX 295 and GTX 285. Today we have availability on both and test results for the GTX 285. As we weren't able to get power tests done time to include in the GTX 295 review, we also have those available today.
EVGA was kind enough to provide the hardware for this review. They sent us two GTX 280s for single and SLI testing. They provided us with overclocked cards, but for this article we underclocked them to stock GTX 285 speeds in order to learn what we can expect from non-overclocked variants.
The hardware looks the same as the current GeForce GTX 280. There really isn't anything aside from the GPU that appears different (except the sticker on the card that is).
We've already indicated the changes that have gone into the GTX 285, but here's another look at the updated clock speeds and the test setup.
| GTX 295 | GTX 285 | GTX 280 | GTX 260 Core 216 | GTX 260 | 9800 GTX+ | |
| Stream Processors | 2 x 240 | 240 | 240 | 216 | 192 | 128 |
| Texture Address / Filtering | 2 x 80 / 80 | 80 / 80 | 80 / 80 | 72/72 | 64 / 64 | 64 / 64 |
| ROPs | 28 | 32 | 32 | 28 | 28 | 16 |
| Core Clock | 576MHz | 648MHz | 602MHz | 576MHz | 576MHz | 738MHz |
| Shader Clock | 1242MHz | 1476MHz | 1296MHz | 1242MHz | 1242MHz | 1836MHz |
| Memory Clock | 999MHz | 1242MHz | 1107MHz | 999MHz | 999MHz | 1100MHz |
| Memory Bus Width | 2 x 448-bit | 512-bit | 512-bit | 448-bit | 448-bit | 256-bit |
| Frame Buffer | 2 x 896MB | 1GB | 1GB | 896MB | 896MB | 512MB |
| Transistor Count | 2 x 1.4B | 1.4B | 1.4B | 1.4B | 1.4B | 754M |
| Manufacturing Process | TSMC 55nm | TSMC 55nm | TSMC 65nm | TSMC 65nm | TSMC 65nm | TSMC 55nm |
| Price Point | $500 | $400 | $350 - $400 | $250 - $300 | $250 - $300 | $150 - 200 |
The price point for the GTX 285 is $400, but newegg has parts for $380 right now and overclocked variants for not too much more.
The Test
| Test Setup | |
| CPU | Intel Core i7-965 3.2GHz |
| Motherboard | ASUS Rampage II Extreme X58 |
| Video Cards | ATI Radeon HD 4870 X2 ATI Radeon HD 4870 1GB NVIDIA GeForce GTX 295 EVGA NVIDIA GeForce GTX 285 SLI NVIDIA GeForce GTX 280 SLI NVIDIA GeForce GTX 260 SLI EVGA NVIDIA GeForce GTX 285 NVIDIA GeForce GTX 280 NVIDIA GeForce GTX 260 |
| Video Drivers | Catalyst 8.12 hotfix ForceWare 181.20 |
| Hard Drive | Intel X25-M 80GB SSD |
| RAM | 6 x 1GB DDR3-1066 7-7-7-20 |
| Operating System | Windows Vista Ultimate 64-bit SP1 |
| PSU | PC Power & Cooling Turbo Cool 1200W |
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