Radeon HD 6850 X2 

Released September, 2011
  • 800 MHz
  • 4 GB GDDR5

Benchmarks Real world tests of the Radeon HD 6850 X2

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Radeon HD 6850 X2

Features Key features of the Radeon HD 6850 X2

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

Radeon HD 6850 X2
268.8 GB/s
Radeon HD 6850
128 GB/s
GeForce GTX 970
224.4 GB/s

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

Radeon HD 6850 X2
51.2 GPixel/s
Radeon HD 6850
24.8 GPixel/s
GeForce GTX 970
58.8 GPixel/s

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

Radeon HD 6850 X2
76.8 GTexel/s
Radeon HD 6850
37.2 GTexel/s
GeForce GTX 970
109.2 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 6850 X2
3,072 GFLOPS
Radeon HD 6850
1,488 GFLOPS
GeForce GTX 970
3,494 GFLOPS

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

Radeon HD 6850 X2

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

Radeon HD 6850 X2

Specifications Full list of technical specs


GPU brand AMD
GPU name Barts PRO
Market Desktop
Clock speed 800 MHz
Is dual GPU Yes
Reference card AMD Radeon HD 6850 X2 800 MHz 4 GB

raw performance

Shading units 1,920
Texture mapping units 96
Render output processors 64
Compute units 24
Pixel rate 51.2 GPixel/s
Texture rate 76.8 GTexel/s
Floating-point performance 3,072 GFLOPS


Memory clock speed 1,050 MHz
Effective memory clock speed 4,200 MHz
Memory bus 512 bit
Memory 4,096 MB
Memory type GDDR5
Memory bandwidth 268.8 GB/s

noise and power

TDP 254W
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