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Differences What are the advantages of each

Front view of Radeon R5 230

Reasons to consider the
Sapphire Radeon R5 230

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Higher clock speed 625 MHz vs 540 MHz More than 15% higher clock speed
More memory 2,048 MB vs 1,024 MB 2x more memory
Lower TDP 19W vs 43W 2.3x lower TDP
Front view of GeForce GT 320

Reasons to consider the
Nvidia GeForce GT 320

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Slightly higher memory bandwidth 25.28 GB/s vs 10.7 GB/s More than 2.2x higher memory bandwidth
More texture mapping units 24 vs 8 Three times as many texture mapping units
Wider memory bus 128 bit vs 64 bit 2x wider memory bus
Higher memory clock speed 790 MHz vs 667 MHz Around 20% higher memory clock speed

Features Key features of the Radeon R5 230  vs GeForce GT 320 

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

Radeon R5 230
10.7 GB/s
GeForce GT 320
25.28 GB/s

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

Radeon R5 230
2.5 GPixel/s
GeForce GT 320
4.32 GPixel/s

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

Radeon R5 230
5 GTexel/s
GeForce GT 320
12.96 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon R5 230
200 GFLOPS
GeForce GT 320
187.5 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 230  vs
GeForce GT 320 
GPU brand AMD Nvidia
GPU name Caicos GT215
Market Desktop Desktop
Clock speed 625 MHz 540 MHz
Is dual GPU No No
Reference card AMD Radeon R5 230 625 MHz 1 GB None

raw performance

Shading units 160 72
Texture mapping units 8 24
Render output processors 4 8
Pixel rate 2.5 GPixel/s 4.32 GPixel/s
Texture rate 5 GTexel/s 12.96 GTexel/s
Floating-point performance 200 GFLOPS 187.5 GFLOPS

memory

Radeon R5 230  vs
GeForce GT 320 
Memory clock speed 667 MHz 790 MHz
Effective memory clock speed 1,334 MHz 1,580 MHz
Memory bus 64 bit 128 bit
Memory 2,048 MB 1,024 MB
Memory type DDR3 GDDR3
Memory bandwidth 10.7 GB/s 25.28 GB/s

noise and power

TDP 19W 43W

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