Radeon HD 4670 X2 

Released September, 2008
  • 750 MHz
  • 1 GB GDDR3

Features Key features of the Radeon HD 4670 X2

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

Radeon HD 4670 X2
44.8 GB/s
Radeon R7 260
96 GB/s
Radeon R7 250
73.6 GB/s

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

Radeon HD 4670 X2
12 GPixel/s
Radeon R7 260
16 GPixel/s
Radeon R7 250
8.4 GPixel/s

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

Radeon HD 4670 X2
48 GTexel/s
Radeon R7 250
25.2 GTexel/s
Radeon R7 260
48 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 4670 X2
Radeon R7 260
1,536 GFLOPS
Radeon R7 250
806.4 GFLOPS

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

Radeon HD 4670 X2

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

Radeon HD 4670 X2

Specifications Full list of technical specs


GPU brand ATI
GPU name RV730
Market Desktop
Clock speed 750 MHz
Is dual GPU Yes
Reference card None

raw performance

Shading units 640
Texture mapping units 64
Render output processors 16
Compute units 8
Pixel rate 12 GPixel/s
Texture rate 48 GTexel/s
Floating-point performance 960 GFLOPS


Memory clock speed 700 MHz
Effective memory clock speed 1,400 MHz
Memory bus 256 bit
Memory 1,024 MB
Memory type GDDR3
Memory bandwidth 44.8 GB/s

noise and power

TDP 118W
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