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by Shaikh-Rafia (Jan, 2014)The very much famous Michael Kukielka has released his Apple Mac Pro benchmark video.
by Syed-Muhammad-Usman-Pirzada (Sep, 2013)“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.
Features Key features of the GeForce GTX 285 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
In The News From around the web
| 20 Feb |
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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 |
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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 |
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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 |
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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 | Nvidia |
|---|---|
| GPU name | GT200 B3 |
| Market | Desktop |
| Clock speed | 648 MHz |
| Is dual GPU | No |
| Reference card | None |
raw performance
| Shading units | 240 |
|---|---|
| Texture mapping units | 80 |
| Render output processors | 32 |
| Pixel rate | 20.74 GPixel/s |
| Texture rate | 51.84 GTexel/s |
| Floating-point performance | 708.5 GFLOPS |
memory
| Memory clock speed | 1,242 MHz |
|---|---|
| Effective memory clock speed | 2,484 MHz |
| Memory bus | 512 bit |
| Memory | 1,024 MB |
| Memory type | GDDR3 |
| Memory bandwidth | 159 GB/s |
noise and power
| TDP | 204W |
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Competitors
 | ATi Radeon HD 5770 Mac
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 | AMD Radeon HD 6770
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 | Nvidia GeForce GT 8800 Mac
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 | ATi Radeon HD 4870
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 | ATi Radeon HD 4870 Mac
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 | PowerColor Radeon HD 5870
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