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Differences What are the advantages of each

Front view of Radeon HD 6230

Reasons to consider the
AMD Radeon HD 6230

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Lower TDP 19W vs 59W 3.1x lower TDP
Front view of Radeon HD 4670

Reasons to consider the
ATi Radeon HD 4670

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Higher clock speed 750 MHz vs 650 MHz More than 15% higher clock speed
Higher effective memory clock speed 1,600 MHz vs 1,000 MHz 60% higher effective memory clock speed
Higher memory bandwidth 25.6 GB/s vs 8 GB/s Around 3.2x higher memory bandwidth
Higher texture rate 24 GTexel/s vs 5.2 GTexel/s More than 4.5x higher texture rate
Higher memory clock speed 800 MHz vs 500 MHz 60% higher memory clock speed
More texture mapping units 32 vs 8 24 more texture mapping units
More render output processors 8 vs 2 6 more render output processors
More shading units 320 vs 80 240 more shading units
Wider memory bus 128 bit vs 64 bit 2x wider memory bus

Benchmarks Real world tests of Radeon HD 6230 vs 4670

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Features Key features of the Radeon HD 6230  vs 4670 

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

Radeon HD 4670
25.6 GB/s

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

Radeon HD 6230
1.3 GPixel/s
Radeon HD 4670
6 GPixel/s

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

Radeon HD 6230
5.2 GTexel/s
Radeon HD 4670
24 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 6230
Radeon HD 4670

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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