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
GeForce GT 8800
64.6 GB/s
Radeon HD 5450
6.4 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
GeForce GT 8800
11.2 GPixel/s
Radeon HD 5450
2.6 GPixel/s

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

Radeon HD 2600 XT Mac
5.6 GTexel/s
GeForce GT 8800
39.2 GTexel/s
Radeon HD 5450
5.2 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 2600 XT Mac
168 GFLOPS
GeForce GT 8800
392 GFLOPS
Radeon HD 5450
104 GFLOPS

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

Radeon HD 2600 XT Mac
120

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

Radeon HD 2600 XT Mac
8

Specifications Full list of technical specs

gpu

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

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

TDP 45W
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