GeForce GTX 295 vs Radeon RX 480 4GB

Intro

Compare those specifications to the Radeon RX 480 4GB, which uses a 14 nm design. AMD has clocked the core speed at 1120 MHz. The GDDR5 RAM is set to run at a frequency of 1750 MHz on this specific model. It features 2304 SPUs along with 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 295		289 Watts
	Difference: 139 Watts (93%)

Memory Bandwidth

The Radeon RX 480 4GB, in theory, should be a small bit faster than the GeForce GTX 295 overall. (explain)

Radeon RX 480 4GB		229376 MB/sec
GeForce GTX 295		223776 MB/sec
	Difference: 5600 (3%)

Texel Rate

The Radeon RX 480 4GB should be quite a bit (more or less 75%) better at anisotropic filtering than the GeForce GTX 295. (explain)

Radeon RX 480 4GB		161280 Mtexels/sec
GeForce GTX 295		92160 Mtexels/sec
	Difference: 69120 (75%)

Pixel Rate

The Radeon RX 480 4GB should be just a bit (about 11%) more effective at full screen anti-aliasing than the GeForce GTX 295, and also should be able to handle higher screen resolutions without losing too much performance. (explain)

Radeon RX 480 4GB		35840 Mpixels/sec
GeForce GTX 295		32256 Mpixels/sec
	Difference: 3584 (11%)

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: Memory bandwidth is the max amount of data (measured in MB per second) that can be transferred over the external memory interface in a second. It is calculated by multiplying the card's interface width by its memory clock speed. If it uses DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This number 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 graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.