GeForce GTX 1050 vs Radeon HD 4870 512MB

Intro

Compare those specifications to the Radeon HD 4870 512MB, which uses a 55 nm design. AMD has set the core speed at 750 MHz. The GDDR5 RAM runs at a frequency of 900 MHz on this card. 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		75 Watts
Radeon HD 4870 512MB		150 Watts
	Difference: 75 Watts (100%)

Memory Bandwidth

In theory, the Radeon HD 4870 512MB should be 0% quicker than the GeForce GTX 1050 in general, because of its higher bandwidth. (explain)

Radeon HD 4870 512MB		115200 MB/sec
GeForce GTX 1050		114688 MB/sec
	Difference: 512 (0%)

Texel Rate

The GeForce GTX 1050 should be quite a bit (about 81%) faster with regards to AF than the Radeon HD 4870 512MB. (explain)

GeForce GTX 1050		54160 Mtexels/sec
Radeon HD 4870 512MB		30000 Mtexels/sec
	Difference: 24160 (81%)

Pixel Rate

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

GeForce GTX 1050		43328 Mpixels/sec
Radeon HD 4870 512MB		12000 Mpixels/sec
	Difference: 31328 (261%)

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: Bandwidth is the max amount of information (measured in MB per second) that can be transferred past the external memory interface in one second. It is worked out by multiplying the card's bus width by its memory speed. If it uses DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.