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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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More memory 2,048 MB vs 512 MB 4x more memory
Front view of Radeon HD 6450

Reasons to consider the
AMD Radeon HD 6450

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Significantly higher effective memory clock speed 3,200 MHz vs 1,334 MHz Around 2.5x higher effective memory clock speed
Slightly higher memory bandwidth 25.6 GB/s vs 10.7 GB/s Around 2.5x higher memory bandwidth
Higher memory clock speed 800 MHz vs 667 MHz Around 20% higher memory clock speed

Features Key features of the Radeon R5 230  vs HD 6450 

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

Radeon R5 230
10.7 GB/s
Radeon HD 6450
25.6 GB/s

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

Radeon R5 230
2.5 GPixel/s
Radeon HD 6450
2.5 GPixel/s

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

Radeon R5 230
5 GTexel/s
Radeon HD 6450
5 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon R5 230
200 GFLOPS
Radeon HD 6450
200 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
HD 6450 
GPU brand AMD AMD
GPU name Caicos Caicos PRO
Market Desktop Desktop
Clock speed 625 MHz 625 MHz
Is dual GPU No No
Reference card AMD Radeon R5 230 625 MHz 1 GB None

raw performance

Shading units 160 160
Texture mapping units 8 8
Render output processors 4 4
Compute units 2 2
Pixel rate 2.5 GPixel/s 2.5 GPixel/s
Texture rate 5 GTexel/s 5 GTexel/s
Floating-point performance 200 GFLOPS 200 GFLOPS

memory

Radeon R5 230  vs
HD 6450 
Memory clock speed 667 MHz 800 MHz
Effective memory clock speed 1,334 MHz 3,200 MHz
Memory bus 64 bit 64 bit
Memory 2,048 MB 512 MB
Memory type DDR3 GDDR5
Memory bandwidth 10.7 GB/s 25.6 GB/s

noise and power

TDP 19W 18W

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