GeForce GTX 1050 Ti vs Radeon HD 4890 2GB

Intro

Compare those specifications to the Radeon HD 4890 2GB, which features GPU core speed of 1000 MHz, and 2048 MB of GDDR5 memory set to run at 975 MHz through a 256-bit bus. It also is comprised of 800(160x5) Stream Processors, 40 Texture Address Units, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1050 Ti		75 Watts
Radeon HD 4890 2GB		190 Watts
	Difference: 115 Watts (153%)

Memory Bandwidth

In theory, the Radeon HD 4890 2GB should be 9% quicker than the GeForce GTX 1050 Ti overall, due to its higher data rate. (explain)

Radeon HD 4890 2GB		124800 MB/sec
GeForce GTX 1050 Ti		114688 MB/sec
	Difference: 10112 (9%)

Texel Rate

The GeForce GTX 1050 Ti should be much (approximately 55%) better at AF than the Radeon HD 4890 2GB. (explain)

GeForce GTX 1050 Ti		61920 Mtexels/sec
Radeon HD 4890 2GB		40000 Mtexels/sec
	Difference: 21920 (55%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 1050 Ti is the winner, by a large margin. (explain)

GeForce GTX 1050 Ti		41280 Mpixels/sec
Radeon HD 4890 2GB		16000 Mpixels/sec
	Difference: 25280 (158%)

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.

Price Comparison

Specifications

Memory Bandwidth: Memory bandwidth is the largest amount of data (measured in megabytes per second) that can be transported over the external memory interface in a second. It's calculated by multiplying the interface width by the speed of its memory. In the case of DDR RAM, it must be multiplied by 2 once 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 anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units 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 output rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.