GeForce GTX 295 vs Radeon RX 480 4GB

Intro

Compare all of that to the Radeon RX 480 4GB, which has core speeds of 1120 MHz on the GPU, and 1750 MHz on the 4096 MB of GDDR5 memory. It features 2304 SPUs as well as 144 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 480 4GB		150 Watts
GeForce GTX 295		289 Watts
	Difference: 139 Watts (93%)

Memory Bandwidth

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

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

Texel Rate

The Radeon RX 480 4GB is a lot (more or less 75%) more effective at texture 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 will be a small bit (about 11%) faster with regards to FSAA than the GeForce GTX 295, and also should be capable of handling higher resolutions while still performing well. (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 (counted in megabytes per second) that can be transferred across the external memory interface in one second. It's worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card can possibly record to the local memory in a 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 - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.