GeForce GTX 1070 Ti vs Radeon HD 3850 X2

Intro

Compare those specifications to the Radeon HD 3850 X2, which features a clock frequency of 668 MHz and a GDDR3 memory frequency of 828 MHz. It also uses a 256-bit memory bus, and makes use of a 55 nm design. It is comprised of 320(64x5) SPUs, 16 Texture Address Units, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

As far as performance goes, the GeForce GTX 1070 Ti should theoretically be much better than the Radeon HD 3850 X2 in general. (explain)

GeForce GTX 1070 Ti		262144 MB/sec
Radeon HD 3850 X2		105984 MB/sec
	Difference: 156160 (147%)

Texel Rate

The GeForce GTX 1070 Ti should be a lot (about 1043%) more effective at texture filtering than the Radeon HD 3850 X2. (explain)

GeForce GTX 1070 Ti		244264 Mtexels/sec
Radeon HD 3850 X2		21376 Mtexels/sec
	Difference: 222888 (1043%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 1070 Ti is the winner, and very much so. (explain)

GeForce GTX 1070 Ti		102848 Mpixels/sec
Radeon HD 3850 X2		21376 Mpixels/sec
	Difference: 81472 (381%)

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 maximum amount of information (measured in megabytes per second) that can be transferred past the external memory interface within a second. The number is worked out by multiplying the card's interface width by its memory speed. In the case of DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly record to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.