GeForce 8300 GS (OEM) vs Radeon HD 5970

Intro

Compare those specifications to the Radeon HD 5970, which features core speeds of 725 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 memory. It features 1600 SPUs along with 160 Texture Address Units and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8300 GS (OEM)		40 Watts
Radeon HD 5970		294 Watts
	Difference: 254 Watts (635%)

Memory Bandwidth

Performance-wise, the Radeon HD 5970 should in theory be a lot superior to the GeForce 8300 GS (OEM) overall. (explain)

Radeon HD 5970		256000 MB/sec
GeForce 8300 GS (OEM)		6400 MB/sec
	Difference: 249600 (3900%)

Texel Rate

The Radeon HD 5970 is quite a bit (about 12789%) faster with regards to AF than the GeForce 8300 GS (OEM). (explain)

Radeon HD 5970		232000 Mtexels/sec
GeForce 8300 GS (OEM)		1800 Mtexels/sec
	Difference: 230200 (12789%)

Pixel Rate

The Radeon HD 5970 is a lot (more or less 10211%) more effective at full screen anti-aliasing than the GeForce 8300 GS (OEM), and will be able to handle higher resolutions more effectively. (explain)

Radeon HD 5970		92800 Mpixels/sec
GeForce 8300 GS (OEM)		900 Mpixels/sec
	Difference: 91900 (10211%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

Specifications

Memory Bandwidth: Bandwidth is the maximum amount of data (counted in MB per second) that can be transported across the external memory interface in one second. The number is worked out by multiplying the interface width by its memory speed. In the case of DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly write to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.