GeForce GTX 680 Mac 

Released April, 2013
  • 1 GHz
  • 2 GB GDDR5

It uses standard dual-slot blower style cooler, feature two dual-link DVI, HDMI and DisplayPort 1.1 outputs and support four displays.
by Slobodan-Simic (Apr, 2013)
The very much famous Michael Kukielka has released his Apple Mac Pro benchmark video.
by Shaikh-Rafia (Jan, 2014)

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
Radeon HD 5770 Mac
76.48 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 5770 Mac
13.6 GPixel/s
Radeon HD 7950 Mac
25.6 GPixel/s

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

GeForce GTX 680 Mac
128.8 GTexel/s
Radeon HD 5770 Mac
34 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 5770 Mac
1,360 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

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

GeForce GTX 680 Mac

In The News From around the web


AMD will show up in iMac 27 and a few more

by Fuad Abazovic |
This is a significant win for AMD, but the real winner is Intel since most Apple notebooks will continue using integrated Intel HD or Iris graphics.
We are not sure what Nvidia did to upset Apple, but this round of devices will be powered either by Intel integrated graphics or AMD discrete graphics.

Apple Mac Pro: Teardown Images and Detailed Benchmarks

by Shaikh Rafia |
Non-proprietary Torx screws are used throughout, and several components can be replaced independently.
The very much famous Michael Kukielka has released his Apple Mac Pro benchmark video.

Apple 2013 Mac Pro Launch – Available Tomorrow December 19

by Shaikh Rafia |
This super powerful desktop computer has been redesigned inside out and sports any of the 4, 6, 8, and a giant 12-core Intel Xeon processors running at Turbo Boost speed of 3.9GHz.

Apple iMac 2013 Launches with Haswell Processors and Iris Pro Graphics.

by Syed Muhammad Usman Pirzada |
“The entry-level 21.5-inch iMac features a 2.7 GHz quad-core Intel Core i5 processor and new Iris Pro graphics for unprecedented levels of integrated graphics performance.
The Maximum configuration would be a Quad Core i7 with Nvidia GTX 780m Dedicated Graphics Solution.

Specifications Full list of technical specs


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 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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