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Differences What are the advantages of each

Front view of Radeon HD 4650 AGP

Reasons to consider the
ATi Radeon HD 4650 AGP

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More texture mapping units 32 vs 16 Twice as many texture mapping units
Wider memory bus 128 bit vs 64 bit 2x wider memory bus
Front view of GeForce GT 730

Reasons to consider the
Nvidia GeForce GT 730

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Much higher effective memory clock speed 5,012 MHz vs 800 MHz More than 6.2x higher effective memory clock speed
Higher clock speed 902 MHz vs 600 MHz More than 50% higher clock speed
Better PassMark score 922 vs 263 More than 3.5x better PassMark score
Much higher memory clock speed 1,253 MHz vs 400 MHz Around 3.2x higher memory clock speed
Higher memory bandwidth 40.1 GB/s vs 12.8 GB/s Around 3.2x higher memory bandwidth

Benchmarks Real world tests of Radeon HD 4650 AGP vs GeForce GT 730

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Features Key features of the Radeon HD 4650 AGP  vs GeForce GT 730 

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

Radeon HD 4650 AGP
12.8 GB/s
GeForce GT 730
40.1 GB/s

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

Radeon HD 4650 AGP
4.8 GPixel/s
GeForce GT 730
7.22 GPixel/s

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

Radeon HD 4650 AGP
19.2 GTexel/s
GeForce GT 730
14.43 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 4650 AGP
384 GFLOPS
GeForce GT 730
692.7 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

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