GeForce RTX 2080 vs Geforce GTX 690

Intro

Compare those specifications to the Geforce GTX 690, which has clock speeds of 915 MHz on the GPU, and 1502 MHz on the 2048 MB of GDDR5 memory. It features 1536 SPUs along with 128 Texture Address Units and 32 ROPs.

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

GeForce RTX 2080		26155 points
Geforce GTX 690		13111 points
	Difference: 13044 (99%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce RTX 2080		215 Watts
Geforce GTX 690		300 Watts
	Difference: 85 Watts (40%)

Memory Bandwidth

Performance-wise, the GeForce RTX 2080 should theoretically be a little bit superior to the Geforce GTX 690 overall. (explain)

GeForce RTX 2080		458752 MB/sec
Geforce GTX 690		384512 MB/sec
	Difference: 74240 (19%)

Texel Rate

The GeForce RTX 2080 should be a bit (approximately 19%) faster with regards to texture filtering than the Geforce GTX 690. (explain)

GeForce RTX 2080		278760 Mtexels/sec
Geforce GTX 690		234240 Mtexels/sec
	Difference: 44520 (19%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce RTX 2080 is a better choice, and very much so. (explain)

GeForce RTX 2080		96960 Mpixels/sec
Geforce GTX 690		58560 Mpixels/sec
	Difference: 38400 (66%)

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: Bandwidth is the maximum amount of information (in units of MB per second) that can be transported past the external memory interface in one second. The number is worked out by multiplying the bus width by its memory speed. If the card has DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This is calculated by multiplying the total number of texture units by the core clock speed of the chip. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

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