Radeon Sky 900 

Released March, 2013
  • 825 MHz
  • 6 GB GDDR5

Features Key features of the Radeon Sky 900

memory bandwidth Rate at which data can be read from or stored in onboard memory

Radeon Sky 900
480 GB/s
GeForce GTX 980
224.4 GB/s
GeForce GTX 1080
224.4 GB/s

pixel rate Number of pixels a graphics card can render to the screen every second

Radeon Sky 900
60.8 GPixel/s
GeForce GTX 1080
102.8 GPixel/s
GeForce GTX 980
77.82 GPixel/s

texture rate Speed at which a graphics card can perform texture mapping

Radeon Sky 900
212.8 GTexel/s
GeForce GTX 980
155.6 GTexel/s
GeForce GTX 1080
257.1 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon Sky 900
6,810 GFLOPS
GeForce GTX 980
4,981 GFLOPS
GeForce GTX 1080
8,228 GFLOPS

shading units Subcomponents of the gpu, these run in parallel to enable fast pixel shading

Radeon Sky 900

texture mapping units Built into each gpu, these resize and rotate bitmaps for texturing scenes

Radeon Sky 900

Specifications Full list of technical specs


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 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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