Radeon HD 5870 Mac 

Released June, 2010
  • 850 MHz
  • 1 GB GDDR5

Features Key features of the Radeon HD 5870 Mac

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

Radeon HD 5870 Mac
153 GB/s
Radeon HD 5770 Mac
76.48 GB/s

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

Radeon HD 5870 Mac
27.2 GPixel/s
Radeon HD 5770 Mac
13.6 GPixel/s
Radeon HD 7950 Mac
25.6 GPixel/s

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

Radeon HD 5870 Mac
68 GTexel/s
Radeon HD 5770 Mac
34 GTexel/s
Radeon HD 7950 Mac
89.6 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 5870 Mac
2,720 GFLOPS
Radeon HD 5770 Mac
1,360 GFLOPS
Radeon HD 7950 Mac
2,867.2 GFLOPS

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

Radeon HD 5870 Mac

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

Radeon HD 5870 Mac

Specifications Full list of technical specs


GPU brand ATI
GPU name Cypress
Market Desktop
Clock speed 850 MHz
Is dual GPU No
Reference card None

raw performance

Shading units 1,600
Texture mapping units 80
Render output processors 32
Compute units 20
Pixel rate 27.2 GPixel/s
Texture rate 68 GTexel/s
Floating-point performance 2,720 GFLOPS


Memory clock speed 1,195 MHz
Effective memory clock speed 4,780 MHz
Memory bus 256 bit
Memory 1,024 MB
Memory type GDDR5
Memory bandwidth 153 GB/s

noise and power

TDP 228W
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