Radeon HD 3850 X3 

Released April, 2008
  • 669 MHz
  • 1.5 GB GDDR3

Features Key features of the Radeon HD 3850 X3

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

Radeon HD 3850 X3
163.2 GB/s
Radeon R5 220
8.53 GB/s
GeForce GTX 660
179.2 GB/s

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

Radeon HD 3850 X3
32.1 GPixel/s
Radeon R5 220
2.6 GPixel/s
GeForce GTX 660
19.75 GPixel/s

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

Radeon HD 3850 X3
32.1 GTexel/s
GeForce GTX 660
79 GTexel/s
Radeon R5 220
5.2 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 3850 X3
1,284.6 GFLOPS
Radeon R5 220
GeForce GTX 660
1,896.2 GFLOPS

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

Radeon HD 3850 X3

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

Radeon HD 3850 X3

Specifications Full list of technical specs


GPU brand ATI
GPU name RV670
Market Desktop
Clock speed 669 MHz
Is dual GPU No
Reference card None

raw performance

Shading units 960
Texture mapping units 48
Render output processors 48
Compute units 12
Pixel rate 32.1 GPixel/s
Texture rate 32.1 GTexel/s
Floating-point performance 1,284.6 GFLOPS


Memory clock speed 850 MHz
Effective memory clock speed 1,700 MHz
Memory bus 768 bit
Memory 1,536 MB
Memory type GDDR3
Memory bandwidth 163.2 GB/s

noise and power

TDP 145W
Report a correction


comments powered by Disqus