Radeon HD 5750 512MB vs Radeon HD 6450 (OEM)

Intro

Compare all that to the Radeon HD 6450 (OEM), which features GPU core speed of 625 MHz, and 512 MB of GDDR3 RAM set to run at 800 MHz through a 64-bit bus. It also is made up of 160 SPUs, 8 TAUs, and 4 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6450 (OEM)		31 Watts
Radeon HD 5750 512MB		86 Watts
	Difference: 55 Watts (177%)

Memory Bandwidth

Performance-wise, the Radeon HD 5750 512MB should in theory be a lot superior to the Radeon HD 6450 (OEM) in general. (explain)

Radeon HD 5750 512MB		73600 MB/sec
Radeon HD 6450 (OEM)		12800 MB/sec
	Difference: 60800 (475%)

Texel Rate

The Radeon HD 5750 512MB should be much (about 404%) more effective at anisotropic filtering than the Radeon HD 6450 (OEM). (explain)

Radeon HD 5750 512MB		25200 Mtexels/sec
Radeon HD 6450 (OEM)		5000 Mtexels/sec
	Difference: 20200 (404%)

Pixel Rate

If using a high resolution is important to you, then the Radeon HD 5750 512MB is superior to the Radeon HD 6450 (OEM), by far. (explain)

Radeon HD 5750 512MB		11200 Mpixels/sec
Radeon HD 6450 (OEM)		2500 Mpixels/sec
	Difference: 8700 (348%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

Specifications

Memory Bandwidth: Bandwidth is the maximum amount of information (measured in MB per second) that can be transported across the external memory interface in a second. The number is calculated by multiplying the bus width by the speed of its memory. If the card has DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied in one second. This is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.