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 Mobility Radeon HD 3870

Reasons to consider the
ATi Mobility Radeon HD 3870

Report a correction
Slightly higher memory bandwidth 54.4 GB/s vs 28.8 GB/s Around 90% higher memory bandwidth
Slightly wider memory bus 256 bit vs 128 bit 2x wider memory bus
Front view of GeForce GTX 745

Reasons to consider the
Nvidia GeForce GTX 745

Report a correction
Significantly higher clock speed 1,033 MHz vs 660 MHz More than 55% higher clock speed
More memory 4,096 MB vs 512 MB 8x more memory
Better PassMark score 2,167 vs 728 Around 3x better PassMark score

Benchmarks Real world tests of Mobility Radeon HD 3870 vs GeForce GTX 745

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Features Key features of the Mobility Radeon HD 3870  vs GeForce GTX 745 

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

Mobility Radeon HD 3870
10.56 GPixel/s
GeForce GTX 745
16.53 GPixel/s

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

Mobility Radeon HD 3870
10.56 GTexel/s
GeForce GTX 745
24.79 GTexel/s

floating point performance How fast the gpu can crunch numbers

GeForce GTX 745
793.3 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