GeForce 9800 GX2 vs Radeon R7 370 4G

Intro

Compare all of that to the Radeon R7 370 4G, which uses a 28 nm design. AMD has set the core frequency at 975 MHz. The GDDR5 RAM is set to run at a frequency of 1400 MHz on this particular card. It features 1024 SPUs as well as 64 TAUs and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 370 4G		110 Watts
GeForce 9800 GX2		197 Watts
	Difference: 87 Watts (79%)

Memory Bandwidth

The Radeon R7 370 4G should theoretically perform much faster than the GeForce 9800 GX2 in general. (explain)

Radeon R7 370 4G		179200 MB/sec
GeForce 9800 GX2		128000 MB/sec
	Difference: 51200 (40%)

Texel Rate

The GeForce 9800 GX2 will be a lot (more or less 23%) better at texture filtering than the Radeon R7 370 4G. (explain)

GeForce 9800 GX2		76800 Mtexels/sec
Radeon R7 370 4G		62400 Mtexels/sec
	Difference: 14400 (23%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon R7 370 4G is a better choice, by far. (explain)

Radeon R7 370 4G		31200 Mpixels/sec
GeForce 9800 GX2		19200 Mpixels/sec
	Difference: 12000 (63%)

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 information (measured in megabytes per second) that can be moved across the external memory interface within a second. The number is worked out by multiplying the bus width by the speed of its memory. In the case of DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's 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 texture map elements (texels) that can be applied per second. This number is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The higher this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly record 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 core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.