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Features Key features of the GeForce GTX 680 Mac
memory bandwidth Rate at which data can be read from or stored in onboard memory
pixel rate Number of pixels a graphics card can render to the screen every second
texture rate Speed at which a graphics card can perform texture mapping
floating point performance How fast the gpu can crunch numbers
shading units Subcomponents of the gpu, these run in parallel to enable fast pixel shading
texture mapping units Built into each gpu, these resize and rotate bitmaps for texturing scenes
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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Competitors
 | ATi Radeon HD 5770 Mac
|
 | ATi Radeon HD 5770
|
 | Nvidia GeForce GTX 970
|
 | Nvidia GeForce GTX 680
|
 | AMD Radeon HD 7950 Mac
|
 | ATi Radeon HD 5870 Mac
|
 | Nvidia GeForce GTX 780
|
Other GeForce GTX 680 Macs
 | Nvidia GeForce GTX 680 Mac Edition
|
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