Radeon HD 2600 XT Mac 

Released February, 2008
  • 700 MHz
  • 256 MB GDDR3

Features Key features of the Radeon HD 2600 XT Mac

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

Radeon HD 2600 XT Mac
25.6 GB/s
Radeon HD 6850
128 GB/s
Radeon HD 6450
25.6 GB/s

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

Radeon HD 2600 XT Mac
2.8 GPixel/s
Radeon HD 6850
24.8 GPixel/s
Radeon HD 6450
2.5 GPixel/s

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

Radeon HD 2600 XT Mac
5.6 GTexel/s
Radeon HD 6850
37.2 GTexel/s
Radeon HD 6450
5 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 2600 XT Mac
Radeon HD 6850
1,488 GFLOPS
Radeon HD 6450

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

Radeon HD 2600 XT Mac

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

Radeon HD 2600 XT Mac

Specifications Full list of technical specs


GPU brand ATI
GPU name RV630
Market Desktop
Clock speed 700 MHz
Is dual GPU No
Reference card None

raw performance

Shading units 120
Texture mapping units 8
Render output processors 4
Compute units 3
Pixel rate 2.8 GPixel/s
Texture rate 5.6 GTexel/s
Floating-point performance 168 GFLOPS


Memory clock speed 800 MHz
Effective memory clock speed 1,600 MHz
Memory bus 128 bit
Memory 256 MB
Memory type GDDR3
Memory bandwidth 25.6 GB/s

noise and power

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