GeForce GTX 680 Mac 

Released April, 2013
  • 1 GHz
  • 2 GB GDDR5

Features Key features of the GeForce GTX 680 Mac

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

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 680 Mac
32.2 GPixel/s
Radeon HD 7950 Mac
25.6 GPixel/s
Radeon HD 5870 Mac
27.2 GPixel/s

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

GeForce GTX 680 Mac
128.8 GTexel/s
Radeon HD 5870 Mac
68 GTexel/s
Radeon HD 7950 Mac
89.6 GTexel/s

floating point performance How fast the gpu can crunch numbers

GeForce GTX 680 Mac
3,090.4 GFLOPS
Radeon HD 5870 Mac
2,720 GFLOPS
Radeon HD 7950 Mac
2,867.2 GFLOPS

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

GeForce GTX 680 Mac
1,536

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

GeForce GTX 680 Mac
128

Specifications Full list of technical specs

gpu

GPU brand Nvidia
GPU name GK104
Market Desktop
Clock speed 1,006 MHz
Turbo clock speed 1,058 MHz
Is dual GPU No
Reference card Nvidia GeForce GTX 680 Mac Edition 1 GHz 2 GB

raw performance

Shading units 1,536
Texture mapping units 128
Render output processors 32
SMX units 8
Pixel rate 32.2 GPixel/s
Texture rate 128.8 GTexel/s
Floating-point performance 3,090.4 GFLOPS

memory

Memory clock speed 1,502 MHz
Effective memory clock speed 6,008 MHz
Memory bus 256 bit
Memory 2,048 MB
Memory type GDDR5
Memory bandwidth 192.3 GB/s

noise and power

TDP 195W
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