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Differences What are the advantages of each

Front view of Radeon E8860

Reasons to consider the
AMD Radeon E8860

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Significantly better PassMark score 1,657 vs 405 More than 4x better PassMark score
Significantly higher effective memory clock speed 4,500 MHz vs 1,400 MHz Around 3.2x higher effective memory clock speed
More memory 2,048 MB vs 512 MB 4x more memory
Higher memory bandwidth 72 GB/s vs 22.4 GB/s Around 3.2x higher memory bandwidth
Significantly higher memory clock speed 1,125 MHz vs 700 MHz More than 60% higher memory clock speed
More compute units 10 vs 4 6 more compute units
More shading units 640 vs 320 Twice as many shading units
More render output processors 16 vs 8 Twice as many render output processors
Front view of Radeon E4690 MXM

Reasons to consider the
ATi Radeon E4690 MXM

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Slightly higher clock speed 600 MHz vs 575 MHz Around 5% higher clock speed
Slightly lower TDP 30W vs 37W Around 20% lower TDP

Benchmarks Real world tests of Radeon E8860 vs E4690 MXM

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Features Key features of the Radeon E8860  vs E4690 MXM 

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

Radeon E8860
72 GB/s
Radeon E4690 MXM
22.4 GB/s

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

Radeon E8860
10 GPixel/s
Radeon E4690 MXM
4.8 GPixel/s

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

Radeon E8860
25 GTexel/s
Radeon E4690 MXM
19.2 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon E8860
Radeon E4690 MXM

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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