Radeon HD 6870 X2 

Released July, 2011
  • 900 MHz
  • 2 GB GDDR5

Features Key features of the Radeon HD 6870 X2

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

Radeon HD 6870 X2
268.8 GB/s
GeForce GTX 970
224.4 GB/s
Radeon R9 280X
288 GB/s

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

Radeon HD 6870 X2
57.6 GPixel/s
Radeon R9 280X
32 GPixel/s
GeForce GTX 970
58.8 GPixel/s

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

Radeon HD 6870 X2
100.8 GTexel/s
Radeon R9 280X
128 GTexel/s
GeForce GTX 970
109.2 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 6870 X2
4,032 GFLOPS
GeForce GTX 970
3,494 GFLOPS
Radeon R9 280X
4,096 GFLOPS

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

Radeon HD 6870 X2

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

Radeon HD 6870 X2

Reviews Word on the street for the Radeon HD 6870 X2

Specifications Full list of technical specs


GPU brand AMD
GPU name Barts XT
Market Desktop
Clock speed 900 MHz
Is dual GPU Yes
Reference card None

raw performance

Shading units 2,240
Texture mapping units 112
Render output processors 64
Compute units 28
Pixel rate 57.6 GPixel/s
Texture rate 100.8 GTexel/s
Floating-point performance 4,032 GFLOPS


Memory clock speed 1,050 MHz
Effective memory clock speed 4,200 MHz
Memory bus 512 bit
Memory 2,048 MB
Memory type GDDR5
Memory bandwidth 268.8 GB/s

noise and power

TDP 300W
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