GeForce GTX 1630 vs Geforce GTX 690

Intro

Compare those specs to the Geforce GTX 690, which features a GPU core clock speed of 915 MHz, and 2048 MB of GDDR5 memory running at 1502 MHz through a 256-bit bus. It also features 1536 Stream Processors, 128 Texture Address Units, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1630		75 Watts
Geforce GTX 690		300 Watts
	Difference: 225 Watts (300%)

Memory Bandwidth

In theory, the Geforce GTX 690 should be 291% quicker than the GeForce GTX 1630 overall, because of its higher bandwidth. (explain)

Geforce GTX 690		384512 MB/sec
GeForce GTX 1630		98304 MB/sec
	Difference: 286208 (291%)

Texel Rate

The Geforce GTX 690 is much (approximately 321%) more effective at AF than the GeForce GTX 1630. (explain)

Geforce GTX 690		234240 Mtexels/sec
GeForce GTX 1630		55680 Mtexels/sec
	Difference: 178560 (321%)

Pixel Rate

The Geforce GTX 690 is much (more or less 110%) better at FSAA than the GeForce GTX 1630, and also capable of handling higher resolutions while still performing well. (explain)

Geforce GTX 690		58560 Mpixels/sec
GeForce GTX 1630		27840 Mpixels/sec
	Difference: 30720 (110%)

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 largest amount of information (in units of MB per second) that can be moved over the external memory interface within a second. It is worked out by multiplying the card's bus width by its memory speed. If the card has DDR memory, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of 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 fill rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.