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Differences What are the advantages of each

Front view of Radeon R5 330

Reasons to consider the
AMD Radeon R5 330

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More memory 2,048 MB vs 1,024 MB 2x more memory
Slightly higher memory bandwidth 28.8 GB/s vs 13.2 GB/s Around 2.2x higher memory bandwidth
More shading units 320 vs 48 272 more shading units
Wider memory bus 128 bit vs 64 bit 2x wider memory bus
Slightly more texture mapping units 20 vs 8 12 more texture mapping units
Slightly higher memory clock speed 900 MHz vs 825 MHz Around 10% higher memory clock speed
Front view of GeForce GT 705

Reasons to consider the
Nvidia GeForce GT 705

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Lower TDP 29W vs 50W More than 40% lower TDP

Benchmarks Real world tests of Radeon R5 330 vs GeForce GT 705

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Features Key features of the Radeon R5 330  vs GeForce GT 705 

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

Radeon R5 330
28.8 GB/s
GeForce GT 705
13.2 GB/s

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

Radeon R5 330
6.84 GPixel/s
GeForce GT 705
3.5 GPixel/s

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

Radeon R5 330
17.1 GTexel/s
GeForce GT 705
13.98 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon R5 330
547.2 GFLOPS
GeForce GT 705
167.8 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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