Radeon HD 3850 X2 

Released April, 2008
  • 669 MHz
  • 1 GB GDDR3

Benchmarks Real world tests of the Radeon HD 3850 X2

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Radeon HD 3850 X2
792

Features Key features of the Radeon HD 3850 X2

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

Radeon HD 3850 X2
105.98 GB/s
Radeon HD 8490
14.4 GB/s
Radeon R7 240
28.8 GB/s

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

Radeon HD 3850 X2
21.4 GPixel/s
Radeon HD 8490
3.5 GPixel/s
Radeon R7 240
6.24 GPixel/s

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

Radeon HD 3850 X2
21.4 GTexel/s
Radeon HD 8490
7 GTexel/s
Radeon R7 240
15.6 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 3850 X2
856.4 GFLOPS
Radeon HD 8490
280 GFLOPS
Radeon R7 240
499.2 GFLOPS

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

Radeon HD 3850 X2
640

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

Radeon HD 3850 X2
32

Specifications Full list of technical specs

gpu

GPU brand ATI
GPU name RV670
Market Desktop
Clock speed 669 MHz
Is dual GPU Yes
Reference card None

raw performance

Shading units 640
Texture mapping units 32
Render output processors 32
Compute units 8
Pixel rate 21.4 GPixel/s
Texture rate 21.4 GTexel/s
Floating-point performance 856.4 GFLOPS

memory

Memory clock speed 828 MHz
Effective memory clock speed 1,656 MHz
Memory bus 512 bit
Memory 1,024 MB
Memory type GDDR3
Memory bandwidth 105.98 GB/s

noise and power

TDP 140W
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