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Differences What are the advantages of each

Front view of Radeon HD 5450 PCI

Reasons to consider the
ATi Radeon HD 5450 PCI

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Slightly lower TDP 19W vs 38W 2x lower TDP
Front view of GeForce GT 730

Reasons to consider the
Nvidia GeForce GT 730

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Much higher effective memory clock speed 5,012 MHz vs 666 MHz More than 7.5x higher effective memory clock speed
Higher clock speed 902 MHz vs 650 MHz Around 40% higher clock speed
Higher memory bandwidth 40.1 GB/s vs 5.33 GB/s More than 7.5x higher memory bandwidth
Much higher memory clock speed 1,253 MHz vs 333 MHz More than 3.8x higher memory clock speed
Better floating-point performance 692.7 GFLOPS vs 104 GFLOPS Around 6.8x better floating-point performance
More shading units 384 vs 80 304 more shading units

Features Key features of the Radeon HD 5450 PCI  vs GeForce GT 730 

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

Radeon HD 5450 PCI
5.33 GB/s
GeForce GT 730
40.1 GB/s

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

Radeon HD 5450 PCI
2.6 GPixel/s
GeForce GT 730
7.22 GPixel/s

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

Radeon HD 5450 PCI
5.2 GTexel/s
GeForce GT 730
14.43 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 5450 PCI
104 GFLOPS
GeForce GT 730
692.7 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 HD 5450 PCI  vs
GeForce GT 730 
GPU brand ATI Nvidia
GPU name Cedar GK117
Market Desktop Desktop
Clock speed 650 MHz 902 MHz
Is dual GPU No No
Reference card None Nvidia GeForce GT 730 700 MHz 1 GB

raw performance

Shading units 80 384
Texture mapping units 8 16
Render output processors 4 8
Pixel rate 2.6 GPixel/s 7.22 GPixel/s
Texture rate 5.2 GTexel/s 14.43 GTexel/s
Floating-point performance 104 GFLOPS 692.7 GFLOPS

memory

Radeon HD 5450 PCI  vs
GeForce GT 730 
Memory clock speed 333 MHz 1,253 MHz
Effective memory clock speed 666 MHz 5,012 MHz
Memory bus 64 bit 64 bit
Memory 512 MB 1,024 MB
Memory type DDR2 GDDR5
Memory bandwidth 5.33 GB/s 40.1 GB/s

noise and power

TDP 19W 38W

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