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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.
by Syed-Muhammad-Usman-Pirzada (Sep, 2013)Another noteworthy improvement is the Fusion Drive performance increase.
Features Key features of the Mobility Radeon HD 4670 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
| 24 Sep |
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“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
| GPU brand | ATI |
|---|---|
| GPU name | M96 |
| Market | Laptop |
| Clock speed | 680 MHz |
| Is dual GPU | No |
| Reference card | None |
raw performance
| Shading units | 320 |
|---|---|
| Texture mapping units | 32 |
| Render output processors | 8 |
| Compute units | 4 |
| Pixel rate | 5.44 GPixel/s |
| Texture rate | 21.76 GTexel/s |
| Floating-point performance | 435.2 GFLOPS |
memory
| Memory clock speed | 790 MHz |
|---|---|
| Effective memory clock speed | 1,580 MHz |
| Memory bus | 128 bit |
| Memory | 256 MB |
| Memory type | GDDR3 |
| Memory bandwidth | 25.28 GB/s |
noise and power
| TDP | 35W |
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Competitors
 | AMD Radeon HD 6750M Mac
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 | ATi Mobility Radeon HD 5670 Mac
|
 | AMD Radeon Pro 555
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 | Nvidia GeForce GT 220
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 | AMD Radeon HD 6490M Mac
|
 | ATi Radeon HD 5670
|
 | AMD Radeon HD 6770M Mac
|
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