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Differences What are the advantages of each

Front view of Radeon HD 7670

Reasons to consider the
AMD Radeon HD 7670

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Significantly lower TDP 66W vs 151W 2.3x lower TDP
Front view of Radeon HD 6870

Reasons to consider the
MSI Radeon HD 6870

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Higher memory bandwidth 134.4 GB/s vs 64 GB/s More than 2x higher memory bandwidth
Higher clock speed 930 MHz vs 800 MHz More than 15% higher clock speed
Better floating-point performance 2,083.2 GFLOPS vs 768 GFLOPS Around 2.8x better floating-point performance
Higher pixel rate 29.76 GPixel/s vs 6.4 GPixel/s Around 4.8x higher pixel rate
Significantly better sky diver factor score 220.78 vs 87.92 More than 2.5x better sky diver factor score
More render output processors 32 vs 8 24 more render output processors
Higher texture rate 52.1 GTexel/s vs 19.2 GTexel/s Around 2.8x higher texture rate
More shading units 1,120 vs 480 640 more shading units
More texture mapping units 56 vs 24 32 more texture mapping units
More compute units 14 vs 6 8 more compute units

Benchmarks Real world tests of Radeon HD 7670 vs 6870

Sky Diver Factor Data courtesy FutureMark

Features Key features of the Radeon HD 7670  vs 6870 

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

Radeon HD 7670
64 GB/s
Radeon HD 6870
134.4 GB/s

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

Radeon HD 7670
6.4 GPixel/s
Radeon HD 6870
29.76 GPixel/s

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

Radeon HD 7670
19.2 GTexel/s
Radeon HD 6870
52.1 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 7670
768 GFLOPS
Radeon HD 6870
2,083.2 GFLOPS

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

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

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