GeForce GTX 1050 Ti vs Radeon HD 4870 X2

Intro

Compare all that to the Radeon HD 4870 X2, which comes with clock speeds of 750 MHz on the GPU, and 900 MHz on the 1024 MB of GDDR5 memory. It features 800(160x5) SPUs as well as 40 Texture Address Units and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1050 Ti		75 Watts
Radeon HD 4870 X2		350 Watts
	Difference: 275 Watts (367%)

Memory Bandwidth

Performance-wise, the Radeon HD 4870 X2 should theoretically be quite a bit superior to the GeForce GTX 1050 Ti overall. (explain)

Radeon HD 4870 X2		230400 MB/sec
GeForce GTX 1050 Ti		114688 MB/sec
	Difference: 115712 (101%)

Texel Rate

The GeForce GTX 1050 Ti should be a small bit (more or less 3%) better at texture filtering than the Radeon HD 4870 X2. (explain)

GeForce GTX 1050 Ti		61920 Mtexels/sec
Radeon HD 4870 X2		60000 Mtexels/sec
	Difference: 1920 (3%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 1050 Ti is the winner, and very much so. (explain)

GeForce GTX 1050 Ti		41280 Mpixels/sec
Radeon HD 4870 X2		24000 Mpixels/sec
	Difference: 17280 (72%)

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 max amount of data (measured in megabytes per second) that can be moved over the external memory interface in a second. It's calculated by multiplying the card's bus width by the speed of its memory. In the case of DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the card's 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 number of texture map elements (texels) that can be applied in one second. This number is worked out by multiplying the total number of texture units by the core clock speed of the chip. The better the texel rate, the better the video 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 card could possibly record to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.