Cast your vote Do you agree or disagree with GPUBoss?

Thanks for adding your opinion. Follow us on Facebook to stay up to date with the latest news!
VS

Differences What are the advantages of each

Front view of Radeon HD 8670M

Reasons to consider the
AMD Radeon HD 8670M

Report a correction
Higher clock speed 775 MHz vs 660 MHz More than 15% higher clock speed
More memory 2,048 MB vs 512 MB 4x more memory
Front view of Mobility Radeon HD 3870

Reasons to consider the
ATi Mobility Radeon HD 3870

Report a correction
Higher memory bandwidth 54.4 GB/s vs 14.4 GB/s More than 3.8x higher memory bandwidth
Slightly better PassMark score 728 vs 513 More than 40% better PassMark score
Much wider memory bus 256 bit vs 64 bit 4x wider memory bus
More render output processors 16 vs 8 Twice as many render output processors

Benchmarks Real world tests of Radeon HD 8670M vs Mobility Radeon HD 3870

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Features Key features of the Radeon HD 8670M  vs Mobility Radeon HD 3870 

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

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

Radeon HD 8670M
6.6 GPixel/s
Mobility Radeon HD 3870
10.56 GPixel/s

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

Radeon HD 8670M
19.8 GTexel/s
Mobility Radeon HD 3870
10.56 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 8670M
633.6 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

Read more

Comments

comments powered by Disqus