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Features Key features of the Radeon HD 6970M 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 | AMD |
|---|---|
| GPU name | Blackcomb |
| Market | Laptop |
| Clock speed | 680 MHz |
| Is dual GPU | No |
| Reference card | None |
raw performance
| Shading units | 960 |
|---|---|
| Texture mapping units | 48 |
| Render output processors | 32 |
| Compute units | 12 |
| Pixel rate | 21.76 GPixel/s |
| Texture rate | 32.6 GTexel/s |
| Floating-point performance | 1,305.6 GFLOPS |
memory
| Memory clock speed | 900 MHz |
|---|---|
| Effective memory clock speed | 3,600 MHz |
| Memory bus | 256 bit |
| Memory | 2,048 MB |
| Memory type | GDDR5 |
| Memory bandwidth | 115.2 GB/s |
noise and power
| TDP | 75W |
|---|
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Competitors
 | Nvidia GeForce GTX 775M Mac
|
 | Nvidia GeForce GTX 675MX Mac
|
 | AMD Radeon R9 M370X Mac
|
 | AMD Radeon Pro 560
|
 | Nvidia GeForce GTX 780M
|
 | ATi Mobility Radeon HD 4850 Mac
|
 | Nvidia GeForce GT 755M
|
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