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GeForce GTX 1050 vs Radeon HD 5850

Intro

The GeForce GTX 1050 comes with a core clock speed of 1354 MHz and a GDDR5 memory frequency of 1750 MHz. It also uses a 128-bit memory bus, and uses a 14 nm design. It is comprised of 640 SPUs, 40 Texture Address Units, and 32 Raster Operation Units.

Compare those specifications to the Radeon HD 5850, which has a clock frequency of 725 MHz and a GDDR5 memory frequency of 1000 MHz. It also uses a 256-bit memory bus, and makes use of a 40 nm design. It features 1440(288x5) SPUs, 72 Texture Address Units, and 32 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1050		75 Watts
Radeon HD 5850		151 Watts
	Difference: 76 Watts (101%)

Memory Bandwidth

Performance-wise, the Radeon HD 5850 should in theory be a bit better than the GeForce GTX 1050 in general. (explain)

Radeon HD 5850		128000 MB/sec
GeForce GTX 1050		114688 MB/sec
	Difference: 13312 (12%)

Texel Rate

The GeForce GTX 1050 is just a bit (about 4%) faster with regards to AF than the Radeon HD 5850. (explain)

GeForce GTX 1050		54160 Mtexels/sec
Radeon HD 5850		52200 Mtexels/sec
	Difference: 1960 (4%)

Pixel Rate

The GeForce GTX 1050 should be quite a bit (about 87%) more effective at AA than the Radeon HD 5850, and also will be able to handle higher screen resolutions while still performing well. (explain)

GeForce GTX 1050		43328 Mpixels/sec
Radeon HD 5850		23200 Mpixels/sec
	Difference: 20128 (87%)

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

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GeForce GTX 1050

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Radeon HD 5850

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Specifications

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Model	GeForce GTX 1050	Radeon HD 5850
Manufacturer	nVidia	AMD
Year	October 2016	September 30, 2009
Code Name	GP107-300	Cypress PRO
Memory	2048 MB	1024 MB
Core Speed	1354 MHz	725 MHz
Memory Speed	7000 MHz	4000 MHz
Power (Max TDP)	75 watts	151 watts
Bandwidth	114688 MB/sec	128000 MB/sec
Texel Rate	54160 Mtexels/sec	52200 Mtexels/sec
Pixel Rate	43328 Mpixels/sec	23200 Mpixels/sec
Unified Shaders	640	1440(288x5)
Texture Mapping Units	40	72
Render Output Units	32	32
Bus Type	GDDR5	GDDR5
Bus Width	128-bit	256-bit
Fab Process	14 nm	40 nm
Transistors	3300 million	2154 million
Bus	PCIe 3.0 x16	PCIe 2.1 x16
DirectX Version	DirectX 12.0	DirectX 11
OpenGL Version	OpenGL 4.5	OpenGL 3.2

Memory Bandwidth: Bandwidth is the max amount of information (in units of megabytes per second) that can be moved past the external memory interface within a second. The number is worked out by multiplying the bus width by its memory speed. If the card has DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card could possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated 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 output rate is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

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