Radeon HD 3690 

Released March, 2008
  • 670 MHz
  • 256 MB GDDR3

Features Key features of the Radeon HD 3690

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

Radeon HD 3690
26.56 GB/s
GeForce GTX 560 Ti
134.4 GB/s
Radeon HD 3650
25.6 GB/s

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

Radeon HD 3690
10.72 GPixel/s
Radeon HD 3650
2.9 GPixel/s
GeForce GTX 560 Ti
15.2 GPixel/s

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

Radeon HD 3690
10.72 GTexel/s
GeForce GTX 560 Ti
60.8 GTexel/s
Radeon HD 3650
5.8 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 3690
428.8 GFLOPS
GeForce GTX 560 Ti
1,459.2 GFLOPS
Radeon HD 3650
174 GFLOPS

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

Radeon HD 3690
320

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

Radeon HD 3690
16

Specifications Full list of technical specs

gpu

GPU brand ATI
GPU name RV670
Market Desktop
Clock speed 670 MHz
Is dual GPU No
Reference card None

raw performance

Shading units 320
Texture mapping units 16
Render output processors 16
Compute units 4
Pixel rate 10.72 GPixel/s
Texture rate 10.72 GTexel/s
Floating-point performance 428.8 GFLOPS

memory

Memory clock speed 830 MHz
Effective memory clock speed 1,660 MHz
Memory bus 128 bit
Memory 256 MB
Memory type GDDR3
Memory bandwidth 26.56 GB/s

noise and power

TDP 75W
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