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Differences What are the advantages of each

Front view of Radeon HD 3550

Reasons to consider the
ATi Radeon HD 3550

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Slightly lower TDP 30W vs 38W More than 20% 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 792 MHz More than 6.2x higher effective memory clock speed
Higher clock speed 902 MHz vs 594 MHz More than 50% higher clock speed
Higher memory bandwidth 40.1 GB/s vs 6.34 GB/s More than 6.2x higher memory bandwidth
Much higher memory clock speed 1,253 MHz vs 396 MHz Around 3.2x higher memory clock speed
Better floating-point performance 692.7 GFLOPS vs 47.52 GFLOPS More than 14.5x better floating-point performance
More shading units 384 vs 40 344 more shading units
Slightly more texture mapping units 16 vs 4 12 more texture mapping units

Features Key features of the Radeon HD 3550  vs GeForce GT 730 

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

Radeon HD 3550
6.34 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 3550
2.38 GPixel/s
GeForce GT 730
7.22 GPixel/s

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

Radeon HD 3550
2.38 GTexel/s
GeForce GT 730
14.43 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 3550
47.52 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 3550  vs
GeForce GT 730 
GPU brand ATI Nvidia
GPU name RV620 GK117
Market Desktop Desktop
Clock speed 594 MHz 902 MHz
Is dual GPU No No
Reference card None Nvidia GeForce GT 730 700 MHz 1 GB

raw performance

Shading units 40 384
Texture mapping units 4 16
Render output processors 4 8
Pixel rate 2.38 GPixel/s 7.22 GPixel/s
Texture rate 2.38 GTexel/s 14.43 GTexel/s
Floating-point performance 47.52 GFLOPS 692.7 GFLOPS

memory

Radeon HD 3550  vs
GeForce GT 730 
Memory clock speed 396 MHz 1,253 MHz
Effective memory clock speed 792 MHz 5,012 MHz
Memory bus 64 bit 64 bit
Memory 512 MB 1,024 MB
Memory type DDR2 GDDR5
Memory bandwidth 6.34 GB/s 40.1 GB/s

noise and power

TDP 30W 38W

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