Geforce GTX 690 vs Radeon RX Vega 64

Intro

Compare those specifications to the Radeon RX Vega 64, which comes with a clock frequency of 1247 MHz and a HBM2 memory frequency of 1890 MHz. It also uses a 2048-bit bus, and makes use of a 14 nm design. It is made up of 4096 SPUs, 256 Texture Address Units, and 64 Raster Operation Units.

Display Graphs

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon RX Vega 64		21986 points
Geforce GTX 690		13111 points
	Difference: 8875 (68%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX Vega 64		295 Watts
Geforce GTX 690		300 Watts
	Difference: 5 Watts (2%)

Memory Bandwidth

Performance-wise, the Radeon RX Vega 64 should in theory be quite a bit superior to the Geforce GTX 690 in general. (explain)

Radeon RX Vega 64		495411 MB/sec
Geforce GTX 690		384512 MB/sec
	Difference: 110899 (29%)

Texel Rate

The Radeon RX Vega 64 will be much (about 36%) faster with regards to anisotropic filtering than the Geforce GTX 690. (explain)

Radeon RX Vega 64		319232 Mtexels/sec
Geforce GTX 690		234240 Mtexels/sec
	Difference: 84992 (36%)

Pixel Rate

The Radeon RX Vega 64 will be quite a bit (more or less 36%) more effective at AA than the Geforce GTX 690, and also able to handle higher screen resolutions without slowing down too much. (explain)

Radeon RX Vega 64		79808 Mpixels/sec
Geforce GTX 690		58560 Mpixels/sec
	Difference: 21248 (36%)

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 information (measured in megabytes per second) that can be transported over the external memory interface in one second. The number is worked out by multiplying the card's interface width by the speed of its memory. In the case of DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better 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 amount of texture map elements (texels) that can be processed per second. This number is worked out by multiplying the total number of texture units by the core speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly record to its 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 filling the screen with pixels (the image). The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.