GeForce GTX 1630 vs GeForce GTX 295

Intro

Compare all that to the GeForce GTX 295, which comes with core speeds of 576 MHz on the GPU, and 999 MHz on the 896 MB of GDDR3 memory. It features 240 SPUs along with 80 Texture Address Units and 28 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1630		75 Watts
GeForce GTX 295		289 Watts
	Difference: 214 Watts (285%)

Memory Bandwidth

Theoretically, the GeForce GTX 295 should be a lot faster than the GeForce GTX 1630 in general. (explain)

GeForce GTX 295		223776 MB/sec
GeForce GTX 1630		98304 MB/sec
	Difference: 125472 (128%)

Texel Rate

The GeForce GTX 295 will be quite a bit (about 66%) faster with regards to texture filtering than the GeForce GTX 1630. (explain)

GeForce GTX 295		92160 Mtexels/sec
GeForce GTX 1630		55680 Mtexels/sec
	Difference: 36480 (66%)

Pixel Rate

The GeForce GTX 295 will be a bit (about 16%) better at FSAA than the GeForce GTX 1630, and should be able to handle higher screen resolutions more effectively. (explain)

GeForce GTX 295		32256 Mpixels/sec
GeForce GTX 1630		27840 Mpixels/sec
	Difference: 4416 (16%)

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 data (counted in megabytes per second) that can be transferred past the external memory interface in one second. It is calculated by multiplying the card's bus width by the speed of its memory. If it uses DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly write to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also 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 memory bandwidth is, the lower the ability to reach the maximum fill rate.