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Differences What are the advantages of each

Front view of Mobility Radeon HD 4670

Reasons to consider the
ATi Mobility Radeon HD 4670

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Slightly better PassMark score 465 vs 250 More than 85% better PassMark score
Slightly higher texture rate 21.6 GTexel/s vs 5.44 GTexel/s Around 4x higher texture rate
More texture mapping units 32 vs 8 24 more texture mapping units
Slightly more shading units 320 vs 120 200 more shading units
Front view of Mobility Radeon HD 3670

Reasons to consider the
ATi Mobility Radeon HD 3670

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GPUBoss is not aware of any important advantages of the 3670 vs the 4670.

Benchmarks Real world tests of Mobility Radeon HD 4670 vs 3670

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Features Key features of the Mobility Radeon HD 4670  vs 3670 

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

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

Mobility Radeon HD 4670
21.6 GTexel/s
Mobility Radeon HD 3670
5.44 GTexel/s

floating point performance How fast the gpu can crunch numbers

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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