GeForce 9800 GTX+ vs Radeon R7 260X

Intro

Compare all of that to the Radeon R7 260X, which features a core clock speed of 1100 MHz and a GDDR5 memory frequency of 1625 MHz. It also makes use of a 128-bit bus, and uses a 28 nm design. It is comprised of 896 SPUs, 56 Texture Address Units, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 260X		115 Watts
GeForce 9800 GTX+		145 Watts
	Difference: 30 Watts (26%)

Memory Bandwidth

The Radeon R7 260X should in theory perform quite a bit faster than the GeForce 9800 GTX+ in general. (explain)

Radeon R7 260X		104000 MB/sec
GeForce 9800 GTX+		70400 MB/sec
	Difference: 33600 (48%)

Texel Rate

The Radeon R7 260X will be a lot (about 30%) better at texture filtering than the GeForce 9800 GTX+. (explain)

Radeon R7 260X		61600 Mtexels/sec
GeForce 9800 GTX+		47232 Mtexels/sec
	Difference: 14368 (30%)

Pixel Rate

The Radeon R7 260X is a lot (about 49%) better at FSAA than the GeForce 9800 GTX+, and also will be capable of handling higher resolutions without losing too much performance. (explain)

Radeon R7 260X		17600 Mpixels/sec
GeForce 9800 GTX+		11808 Mpixels/sec
	Difference: 5792 (49%)

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 max amount of information (in units of megabytes per second) that can be transported over the external memory interface in one second. It's calculated by multiplying the card's bus width by the speed of its memory. In the case of DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR 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 is worked out by multiplying the total number of texture units by the core clock speed of the chip. The higher the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly record to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.