GeForce GTX 460 2GB vs Radeon RX 570

Intro

Compare those specifications to the Radeon RX 570, which makes use of a 14 nm design. AMD has set the core frequency at 1168 MHz. The GDDR5 memory works at a speed of 1750 MHz on this card. It features 2048 SPUs along with 128 Texture Address Units and 32 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 570		150 Watts
GeForce GTX 460 2GB		160 Watts
	Difference: 10 Watts (7%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 570 should be 99% quicker than the GeForce GTX 460 2GB overall, due to its greater bandwidth. (explain)

Radeon RX 570		229376 MB/sec
GeForce GTX 460 2GB		115200 MB/sec
	Difference: 114176 (99%)

Texel Rate

The Radeon RX 570 will be a lot (more or less 296%) better at AF than the GeForce GTX 460 2GB. (explain)

Radeon RX 570		149504 Mtexels/sec
GeForce GTX 460 2GB		37800 Mtexels/sec
	Difference: 111704 (296%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon RX 570 is a better choice, by a large margin. (explain)

Radeon RX 570		37376 Mpixels/sec
GeForce GTX 460 2GB		21600 Mpixels/sec
	Difference: 15776 (73%)

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 largest amount of information (measured in megabytes per second) that can be transferred over the external memory interface in a second. It's calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly record to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.