GeForce GTX 295 vs Radeon HD 5830

Intro

Compare those specifications to the Radeon HD 5830, which has GPU clock speed of 800 MHz, and 1024 MB of GDDR5 RAM running at 1000 MHz through a 256-bit bus. It also features 1120(224x5) Stream Processors, 56 TAUs, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5830		175 Watts
GeForce GTX 295		289 Watts
	Difference: 114 Watts (65%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 295 should theoretically be a lot superior to the Radeon HD 5830 in general. (explain)

GeForce GTX 295		223776 MB/sec
Radeon HD 5830		128000 MB/sec
	Difference: 95776 (75%)

Texel Rate

The GeForce GTX 295 is a lot (more or less 106%) better at anisotropic filtering than the Radeon HD 5830. (explain)

GeForce GTX 295		92160 Mtexels/sec
Radeon HD 5830		44800 Mtexels/sec
	Difference: 47360 (106%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GTX 295 is superior to the Radeon HD 5830, by far. (explain)

GeForce GTX 295		32256 Mpixels/sec
Radeon HD 5830		12800 Mpixels/sec
	Difference: 19456 (152%)

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: Memory bandwidth is the maximum amount of information (counted in megabytes per second) that can be moved past the external memory interface within a second. It is worked out by multiplying the card's interface width by the speed of its memory. If the card has DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

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