GeForce GTX 465 vs Radeon RX 470 4GB

Intro

Compare those specifications to the Radeon RX 470 4GB, which has a GPU core clock speed of 926 MHz, and 4096 MB of GDDR5 memory set to run at 1650 MHz through a 256-bit bus. It also is comprised of 2048 SPUs, 128 TAUs, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 470 4GB		120 Watts
GeForce GTX 465		200 Watts
	Difference: 80 Watts (67%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 470 4GB is 106% faster than the GeForce GTX 465 overall, because of its higher bandwidth. (explain)

Radeon RX 470 4GB		211200 MB/sec
GeForce GTX 465		102592 MB/sec
	Difference: 108608 (106%)

Texel Rate

The Radeon RX 470 4GB is much (more or less 344%) faster with regards to AF than the GeForce GTX 465. (explain)

Radeon RX 470 4GB		118528 Mtexels/sec
GeForce GTX 465		26708 Mtexels/sec
	Difference: 91820 (344%)

Pixel Rate

The Radeon RX 470 4GB will be a lot (about 53%) better at anti-aliasing than the GeForce GTX 465, and will be capable of handling higher resolutions while still performing well. (explain)

Radeon RX 470 4GB		29632 Mpixels/sec
GeForce GTX 465		19424 Mpixels/sec
	Difference: 10208 (53%)

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 max amount of information (in units of megabytes per second) that can be moved past the external memory interface within a second. It is worked out by multiplying the card's bus width by its memory speed. If it uses DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied in one second. This figure is calculated by multiplying the total number of texture units of the card 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 per second.

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