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Differences What are the advantages of each

Front view of Radeon HD 5450

Reasons to consider the
ATi Radeon HD 5450

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Higher clock speed 650 MHz vs 550 MHz Around 20% higher clock speed
Lower TDP 19W vs 50W 2.6x lower TDP
Front view of GeForce GT 9400

Reasons to consider the
Nvidia GeForce GT 9400

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Wider memory bus 128 bit vs 64 bit 2x wider memory bus

Benchmarks Real world tests of Radeon HD 5450 vs GeForce GT 9400

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Features Key features of the Radeon HD 5450  vs GeForce GT 9400 

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

Radeon HD 5450
6.4 GB/s
GeForce GT 9400
12.8 GB/s

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

Radeon HD 5450
2.6 GPixel/s
GeForce GT 9400
2.2 GPixel/s

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

Radeon HD 5450
5.2 GTexel/s
GeForce GT 9400
4.4 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 5450
104 GFLOPS
GeForce GT 9400
44.8 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

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