Radeon HD 6570 (OEM) 2GB vs Radeon R7 260X

Intro

Compare those specifications to the Radeon R7 260X, which comes with clock speeds of 1100 MHz on the GPU, and 1625 MHz on the 2048 MB of GDDR5 memory. It features 896 SPUs as well as 56 Texture Address Units and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6570 (OEM) 2GB		50 Watts
Radeon R7 260X		115 Watts
	Difference: 65 Watts (130%)

Memory Bandwidth

Performance-wise, the Radeon R7 260X should in theory be much better than the Radeon HD 6570 (OEM) 2GB in general. (explain)

Radeon R7 260X		104000 MB/sec
Radeon HD 6570 (OEM) 2GB		64000 MB/sec
	Difference: 40000 (63%)

Texel Rate

The Radeon R7 260X will be quite a bit (about 295%) more effective at texture filtering than the Radeon HD 6570 (OEM) 2GB. (explain)

Radeon R7 260X		61600 Mtexels/sec
Radeon HD 6570 (OEM) 2GB		15600 Mtexels/sec
	Difference: 46000 (295%)

Pixel Rate

The Radeon R7 260X should be quite a bit (approximately 238%) more effective at anti-aliasing than the Radeon HD 6570 (OEM) 2GB, and will be able to handle higher resolutions more effectively. (explain)

Radeon R7 260X		17600 Mpixels/sec
Radeon HD 6570 (OEM) 2GB		5200 Mpixels/sec
	Difference: 12400 (238%)

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 data (in units of MB per second) that can be moved over the external memory interface in one second. It is calculated by multiplying the card's bus width by its memory speed. In the case of DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

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