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| 7 Out of 10 | 
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by Anthony-Garreffa (Dec, 2012)Is it true that overclocked Sapphire HD 7950 Vapor-X OC with Boost Edition surpasses the performance of overclocked GeForce GTX 670?
by Ryan-Shrout (Aug, 2012)As the above diagram illustrates, the "new" part of PowerTune with the GHz Edition is the ability to vary the voltage of the GPU in real-time to address a wider range of qualified clock speeds.
Benchmarks Real world tests of the Radeon HD 7950 Mac
Bitcoin mining Data courtesy CompuBench
Face detection Data courtesy CompuBench
Ocean surface simulation Data courtesy CompuBench
Particle simulation Data courtesy CompuBench
T-Rex (Compubench 1.5) Data courtesy CompuBench
Video composition Data courtesy CompuBench
In The News From around the web
| 20 Feb |
|
Namely, while the iMac used its dGPU exclusively the MacBook Pros all used switchable graphics, which means that the MacBook Pros are often being driven by their iGPU rather than their dGPU.
While the 2011 iMac and MacBook Pros use different GPUs, both systems use GPUs from AMD’s Radeon HD 6000M series, with the iMac using the higher-end 6970M while the MacBook Pros used the 6490M, 6750M, and 6770M GPUs.
| 15 Oct |
|
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.
| 20 Jan |
|
To make matters worse, MacBook Pro owners are also seeing frequent reboots to a gray screen.
Some Apple users are starting to mutter heresy about design flaws which cause heating problems.
| 6 Jan |
|
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.
Specifications Full list of technical specs
gpu
| GPU brand | AMD |
|---|---|
| GPU name | Tahiti PRO |
| Market | Desktop |
| Clock speed | 800 MHz |
| Is dual GPU | No |
| Reference card | None |
raw performance
| Shading units | 1,792 |
|---|---|
| Texture mapping units | 112 |
| Render output processors | 32 |
| Compute units | 28 |
| Pixel rate | 25.6 GPixel/s |
| Texture rate | 89.6 GTexel/s |
| Floating-point performance | 2,867.2 GFLOPS |
memory
| Memory clock speed | 1,250 MHz |
|---|---|
| Effective memory clock speed | 5,000 MHz |
| Memory bus | 384 bit |
| Memory | 3,072 MB |
| Memory type | GDDR5 |
| Memory bandwidth | 240 GB/s |
noise and power
| TDP | 200W |
|---|
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Competitors
 | ATi Radeon HD 5770 Mac
|
 | |
 | AMD Radeon PRO WX 7100
|
 | |
 | Nvidia GeForce GTX 680
|
 | ATi Radeon HD 5870 Mac
|
 | AMD Radeon HD 7970
|
Other Radeon HD 7950 Macs
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