Radeon HD 6390 

Released July, 2011
  • 550 MHz
  • 1 GB DDR2

Features Key features of the Radeon HD 6390

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

Radeon HD 6390
16 GB/s
GeForce GTX 760
192.3 GB/s
Radeon HD 4850
63.55 GB/s

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

Radeon HD 6390
4.4 GPixel/s
GeForce GTX 760
23.52 GPixel/s
Radeon HD 4850
10 GPixel/s

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

Radeon HD 6390
8.8 GTexel/s
GeForce GTX 760
94.1 GTexel/s
Radeon HD 4850
25 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 6390
GeForce GTX 760
2,257.9 GFLOPS
Radeon HD 4850
1,000 GFLOPS

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

Radeon HD 6390

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

Radeon HD 6390

Specifications Full list of technical specs


GPU brand AMD
GPU name Redwood LE
Market Desktop
Clock speed 550 MHz
Is dual GPU No
Reference card None

raw performance

Shading units 320
Texture mapping units 16
Render output processors 8
Compute units 4
Pixel rate 4.4 GPixel/s
Texture rate 8.8 GTexel/s
Floating-point performance 352 GFLOPS


Memory clock speed 500 MHz
Effective memory clock speed 1,000 MHz
Memory bus 128 bit
Memory 1,024 MB
Memory type DDR2
Memory bandwidth 16 GB/s

noise and power

Report a correction


comments powered by Disqus