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Differences What are the advantages of each

Front view of GeForce GTX TITAN Z

Reasons to consider the
Nvidia GeForce GTX TITAN Z

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Much higher memory bandwidth 672 GB/s vs 6.4 GB/s 105x higher memory bandwidth
Is dual GPU Yes vs No About half of graphics cards are dual GPU
Much better PassMark score 7,752 vs 126 More than 61.5x better PassMark score
Much more memory 12,288 MB vs 512 MB 24x more memory
Much better floating-point performance 10,092 GFLOPS vs 22.43 GFLOPS Around 450x better floating-point performance
Much higher effective memory clock speed 7,000 MHz vs 800 MHz 8.8x higher effective memory clock speed
Much higher texture rate 420.4 GTexel/s vs 2.36 GTexel/s Around 178.5x higher texture rate
Many more texture mapping units 480 vs 4 476 more texture mapping units
Many more shading units 5,760 vs 8 5752 more shading units
Much higher pixel rate 105.12 GPixel/s vs 2.36 GPixel/s More than 44.5x higher pixel rate
Many more render output processors 96 vs 4 92 more render output processors
Much wider memory bus 768 bit vs 64 bit 12x wider memory bus
Much higher memory clock speed 1,750 MHz vs 400 MHz Around 4.5x higher memory clock speed
Higher clock speed 705 MHz vs 589 MHz Around 20% higher clock speed
Front view of GeForce 205

Reasons to consider the
Nvidia GeForce 205

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Much lower TDP 31W vs 375W 12.1x lower TDP

Benchmarks Real world tests of GeForce GTX TITAN Z vs 205

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Features Key features of the GeForce GTX TITAN Z  vs 205 

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

GeForce 205
6.4 GB/s

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

GeForce GTX TITAN Z
105.12 GPixel/s
GeForce 205
2.36 GPixel/s

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

GeForce GTX TITAN Z
420.4 GTexel/s
GeForce 205
2.36 GTexel/s

floating point performance How fast the gpu can crunch numbers

GeForce GTX TITAN Z
10,092 GFLOPS
GeForce 205
22.43 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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