GeForce GTX 1050 3GB vs Radeon HD 4870 X2

Intro

Compare those specs to the Radeon HD 4870 X2, which makes use of a 55 nm design. AMD has clocked the core speed at 750 MHz. The GDDR5 RAM is set to run at a speed of 900 MHz on this model. It features 800(160x5) SPUs as well as 40 TAUs and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1050 3GB		75 Watts
Radeon HD 4870 X2		350 Watts
	Difference: 275 Watts (367%)

Memory Bandwidth

The Radeon HD 4870 X2 should in theory be quite a bit faster than the GeForce GTX 1050 3GB in general. (explain)

Radeon HD 4870 X2		230400 MB/sec
GeForce GTX 1050 3GB		86016 MB/sec
	Difference: 144384 (168%)

Texel Rate

The GeForce GTX 1050 3GB will be a small bit (more or less 11%) more effective at AF than the Radeon HD 4870 X2. (explain)

GeForce GTX 1050 3GB		66816 Mtexels/sec
Radeon HD 4870 X2		60000 Mtexels/sec
	Difference: 6816 (11%)

Pixel Rate

The GeForce GTX 1050 3GB will be much (more or less 39%) more effective at AA than the Radeon HD 4870 X2, and able to handle higher screen resolutions while still performing well. (explain)

GeForce GTX 1050 3GB		33408 Mpixels/sec
Radeon HD 4870 X2		24000 Mpixels/sec
	Difference: 9408 (39%)

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 information (measured in megabytes per second) that can be transferred across the external memory interface in a second. The number is calculated by multiplying the bus width by its memory speed. In the case of DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.