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by hassan-mujtaba (Jul, 2013)AMD’s Volcanic Islands GPU will be based on a completely new architecture making use of process enhancements and increased amount of stream processors.
by Niels-Broekhuijsen (May, 2013)The information revealed is that the Volcanic Islands GPUs will be baked on a 20 nm lithography and be designed to have Gate-Last transistors.
Features Key features of the Radeon HD 9970
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
| 10 Jul |
|
According to information posted on Chiphell forums, AMD might possibly have sent out engineering samples of their upcoming Radeon HD 9970 graphics card to manufacturers.
Its also mentioned that Sapphire has already planned out a total of 7 custom coolers for the Radeon HD 9970 gpu but how many models would be available at launch remains unknown.
| 10 May |
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Memory will be driven through a 512-bit memory bus, and GDDR5 memory.
New details have come to light regarding the flagship HD 9970 part from AMD.
Specifications Full list of technical specs
gpu
| GPU brand | AMD |
|---|---|
| GPU name | Hawaii XT |
| Market | Desktop |
| Clock speed | 1,000 MHz |
| Is dual GPU | No |
| Reference card | None |
raw performance
| Shading units | 4,096 |
|---|---|
| Texture mapping units | 256 |
| Render output processors | 64 |
| Compute units | 16 |
| Pixel rate | 64 GPixel/s |
| Texture rate | 168 GTexel/s |
| Floating-point performance | 8,192 GFLOPS |
memory
| Memory clock speed | 1,250 MHz |
|---|---|
| Effective memory clock speed | 5,000 MHz |
| Memory bus | 512 bit |
| Memory | 4,096 MB |
| Memory type | GDDR5 |
| Memory bandwidth | 307 GB/s |
noise and power
| TDP | 255W |
|---|
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Competitors
 | Nvidia GeForce GTX 970
|
 | Nvidia GeForce GTX 980
|
 | Nvidia GeForce GTX 760
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 | Nvidia GeForce GTX 760 Ti
|
 | Nvidia GeForce GTX TITAN
|
 | AMD Radeon HD 7970
|
 | Nvidia GeForce GTX 780
|
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