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Differences What are the advantages of each

Front view of Radeon R5 A230

Reasons to consider the
AMD Radeon R5 A230

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More memory 4,096 MB vs 2,048 MB 2x more memory
Front view of GeForce GTX 660 Ti

Reasons to consider the
Generic GeForce GTX 660 Ti

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Significantly higher effective memory clock speed 6,008 MHz vs 2,000 MHz More than 3x higher effective memory clock speed
Significantly higher memory bandwidth 144.2 GB/s vs 16 GB/s More than 9x higher memory bandwidth
Higher clock speed 915 MHz vs 780 MHz More than 15% higher clock speed
Better floating-point performance 2,459.5 GFLOPS vs 547.2 GFLOPS Around 4.5x better floating-point performance
Higher texture rate 102.5 GTexel/s vs 17.1 GTexel/s Around 6x higher texture rate
Significantly more texture mapping units 112 vs 20 92 more texture mapping units
Higher pixel rate 25.62 GPixel/s vs 6.84 GPixel/s Around 3.8x higher pixel rate
More shading units 1,344 vs 320 1024 more shading units
More render output processors 24 vs 8 Three times as many render output processors
Significantly higher memory clock speed 1,502 MHz vs 1,000 MHz More than 50% higher memory clock speed
Higher turbo clock speed 980 MHz vs 855 MHz Around 15% higher turbo clock speed
Slightly wider memory bus 192 bit vs 64 bit 3x wider memory bus

Features Key features of the Radeon R5 A230  vs GeForce GTX 660 Ti 

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

Radeon R5 A230
16 GB/s
GeForce GTX 660 Ti
144.2 GB/s

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

Radeon R5 A230
6.84 GPixel/s
GeForce GTX 660 Ti
25.62 GPixel/s

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

Radeon R5 A230
17.1 GTexel/s
GeForce GTX 660 Ti
102.5 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon R5 A230
547.2 GFLOPS
GeForce GTX 660 Ti
2,459.5 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

Specifications Full list of technical specs

gpu

Radeon R5 A230  vs
GeForce GTX 660 Ti 
GPU brand AMD Nvidia
GPU name Jet GK104
Market Laptop Desktop
Clock speed 780 MHz 915 MHz
Turbo clock speed 855 MHz 980 MHz
Is dual GPU No No
Reference card None Nvidia GeForce GTX 660 Ti 915 MHz 2 GB

raw performance

Shading units 320 1,344
Texture mapping units 20 112
Render output processors 8 24
Pixel rate 6.84 GPixel/s 25.62 GPixel/s
Texture rate 17.1 GTexel/s 102.5 GTexel/s
Floating-point performance 547.2 GFLOPS 2,459.5 GFLOPS

memory

Radeon R5 A230  vs
GeForce GTX 660 Ti 
Memory clock speed 1,000 MHz 1,502 MHz
Effective memory clock speed 2,000 MHz 6,008 MHz
Memory bus 64 bit 192 bit
Memory 4,096 MB 2,048 MB
Memory type DDR3 GDDR5
Memory bandwidth 16 GB/s 144.2 GB/s

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