GeForce GTX 285 Mac 

Released January, 2009
  • 648 MHz
  • 1 GB GDDR3

Features Key features of the GeForce GTX 285 Mac

memory bandwidth Rate at which data can be read from or stored in onboard memory

GeForce GTX 285 Mac
159 GB/s
GeForce GTX 680 Mac
192.3 GB/s

pixel rate Number of pixels a graphics card can render to the screen every second

GeForce GTX 285 Mac
20.74 GPixel/s
GeForce GTX 680 Mac
32.2 GPixel/s
Radeon HD 5870 Mac
27.2 GPixel/s

texture rate Speed at which a graphics card can perform texture mapping

GeForce GTX 285 Mac
51.84 GTexel/s
GeForce GTX 680 Mac
128.8 GTexel/s
Radeon HD 5870 Mac
68 GTexel/s

floating point performance How fast the gpu can crunch numbers

GeForce GTX 285 Mac
708.5 GFLOPS
GeForce GTX 680 Mac
3,090.4 GFLOPS
Radeon HD 5870 Mac
2,720 GFLOPS

shading units Subcomponents of the gpu, these run in parallel to enable fast pixel shading

GeForce GTX 285 Mac

texture mapping units Built into each gpu, these resize and rotate bitmaps for texturing scenes

GeForce GTX 285 Mac

Specifications Full list of technical specs


GPU brand Nvidia
GPU name GT200 B3
Market Desktop
Clock speed 648 MHz
Is dual GPU No
Reference card None

raw performance

Shading units 240
Texture mapping units 80
Render output processors 32
Pixel rate 20.74 GPixel/s
Texture rate 51.84 GTexel/s
Floating-point performance 708.5 GFLOPS


Memory clock speed 1,242 MHz
Effective memory clock speed 2,484 MHz
Memory bus 512 bit
Memory 1,024 MB
Memory type GDDR3
Memory bandwidth 159 GB/s

noise and power

TDP 204W
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