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by Anthony-Garreffa (Sep, 2012)If the chart is right, the HD 8870 could begin offering performance close to that of today's high-end offerings, which would really shake up the market.
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 8800 GS 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 |
|
“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.
| 17 Sep |
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If the chart is right, the HD 8870 could begin offering performance close to that of today's high-end offerings, which would really shake up the market.
If the news is solid, we're looking at the Radeon HD 8870 "Oland XT" outperforming its predecessor, the HD 7870 in both performance per watt, and cost-performance ratios.
Specifications Full list of technical specs
gpu
| GPU brand | Nvidia |
|---|---|
| GPU name | G92 |
| Market | Desktop |
| Clock speed | 500 MHz |
| Is dual GPU | No |
| Reference card | None |
raw performance
| Shading units | 64 |
|---|---|
| Texture mapping units | 32 |
| Render output processors | 16 |
| Pixel rate | 8 GPixel/s |
| Texture rate | 16 GTexel/s |
| Floating-point performance | 160 GFLOPS |
memory
| Memory clock speed | 799 MHz |
|---|---|
| Effective memory clock speed | 1,598 MHz |
| Memory bus | 256 bit |
| Memory | 512 MB |
| Memory type | GDDR3 |
| Memory bandwidth | 51.14 GB/s |
noise and power
| TDP | 105W |
|---|
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Competitors
 | Nvidia GeForce GT 320M
|
 | Nvidia GeForce 920M
|
 | Nvidia GeForce GT 120 Mac
|
 | Nvidia GeForce GT 755M Mac
|
 | Nvidia GeForce GT 130 Mac
|
 | ATi Radeon HD 5770 Mac
|
 | ATi Radeon HD 5770
|
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