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Features Key features of the Radeon Sky 900
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
Specifications Full list of technical specs
gpu
| GPU brand | AMD |
|---|---|
| GPU name | Tahiti |
| Clock speed | 825 MHz |
| Turbo clock speed | 950 MHz |
| Is dual GPU | Yes |
| Reference card | None |
raw performance
| Shading units | 3,584 |
|---|---|
| Texture mapping units | 224 |
| Render output processors | 64 |
| Compute units | 56 |
| Pixel rate | 60.8 GPixel/s |
| Texture rate | 212.8 GTexel/s |
| Floating-point performance | 6,810 GFLOPS |
memory
| Memory clock speed | 1,250 MHz |
|---|---|
| Effective memory clock speed | 5,000 MHz |
| Memory bus | 768 bit |
| Memory | 6,144 MB |
| Memory type | GDDR5 |
| Memory bandwidth | 480 GB/s |
noise and power
| TDP | 300W |
|---|
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Competitors
 | Nvidia GeForce GTX 980
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 | Nvidia GeForce GTX 1080
|
 | Generic Radeon HD 7990
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 | Nvidia GeForce GTX 780 Ti
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 | Nvidia GeForce GTX TITAN
|
 | |
 | Sapphire Radeon R9 270X
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