GeForce GTX 260 216SP 55 nm vs Radeon RX 480 4GB

Intro

Compare those specs to the Radeon RX 480 4GB, which features a core clock speed of 1120 MHz and a GDDR5 memory frequency of 1750 MHz. It also features a 256-bit bus, and makes use of a 14 nm design. It is comprised of 2304 SPUs, 144 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 480 4GB		150 Watts
GeForce GTX 260 216SP 55 nm		171 Watts
	Difference: 21 Watts (14%)

Memory Bandwidth

As far as performance goes, the Radeon RX 480 4GB should theoretically be a lot superior to the GeForce GTX 260 216SP 55 nm overall. (explain)

Radeon RX 480 4GB		229376 MB/sec
GeForce GTX 260 216SP 55 nm		111888 MB/sec
	Difference: 117488 (105%)

Texel Rate

The Radeon RX 480 4GB is quite a bit (more or less 289%) more effective at texture filtering than the GeForce GTX 260 216SP 55 nm. (explain)

Radeon RX 480 4GB		161280 Mtexels/sec
GeForce GTX 260 216SP 55 nm		41472 Mtexels/sec
	Difference: 119808 (289%)

Pixel Rate

The Radeon RX 480 4GB is much (approximately 122%) faster with regards to AA than the GeForce GTX 260 216SP 55 nm, and also capable of handling higher resolutions without slowing down too much. (explain)

Radeon RX 480 4GB		35840 Mpixels/sec
GeForce GTX 260 216SP 55 nm		16128 Mpixels/sec
	Difference: 19712 (122%)

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: Memory bandwidth is the maximum amount of data (in units of megabytes per second) that can be moved over the external memory interface in one second. It is calculated by multiplying the card's interface width by the speed of its memory. If the card has DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card could possibly write to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.