GeForce GTX 1630 vs Radeon HD 3850 X2

Intro

Compare those specifications to the Radeon HD 3850 X2, which features core clock speeds of 668 MHz on the GPU, and 828 MHz on the 512 MB of GDDR3 memory. It features 320(64x5) SPUs as well as 16 TAUs and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the Radeon HD 3850 X2 should be 8% quicker than the GeForce GTX 1630 in general, due to its greater bandwidth. (explain)

Radeon HD 3850 X2		105984 MB/sec
GeForce GTX 1630		98304 MB/sec
	Difference: 7680 (8%)

Texel Rate

The GeForce GTX 1630 will be quite a bit (approximately 160%) better at texture filtering than the Radeon HD 3850 X2. (explain)

GeForce GTX 1630		55680 Mtexels/sec
Radeon HD 3850 X2		21376 Mtexels/sec
	Difference: 34304 (160%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GTX 1630 is superior to the Radeon HD 3850 X2, and very much so. (explain)

GeForce GTX 1630		27840 Mpixels/sec
Radeon HD 3850 X2		21376 Mpixels/sec
	Difference: 6464 (30%)

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 largest amount of data (counted in megabytes per second) that can be transferred across the external memory interface in one second. It is worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better 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 amount of texture map elements (texels) that are applied per second. This is calculated by multiplying the total number of texture units by the core speed of the chip. The better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

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