GeForce GT 1030 vs Radeon HD 5830

Intro

Compare those specifications to the Radeon HD 5830, which uses a 40 nm design. AMD has clocked the core speed at 800 MHz. The GDDR5 RAM runs at a speed of 1000 MHz on this model. It features 1120(224x5) SPUs as well as 56 Texture Address Units and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 1030		30 Watts
Radeon HD 5830		175 Watts
	Difference: 145 Watts (483%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 5830 is 160% faster than the GeForce GT 1030 in general, because of its greater bandwidth. (explain)

Radeon HD 5830		128000 MB/sec
GeForce GT 1030		49152 MB/sec
	Difference: 78848 (160%)

Texel Rate

The Radeon HD 5830 will be a small bit (about 11%) better at texture filtering than the GeForce GT 1030. (explain)

Radeon HD 5830		44800 Mtexels/sec
GeForce GT 1030		40480 Mtexels/sec
	Difference: 4320 (11%)

Pixel Rate

The GeForce GT 1030 is quite a bit (about 58%) faster with regards to anti-aliasing than the Radeon HD 5830, and also will be capable of handling higher screen resolutions more effectively. (explain)

GeForce GT 1030		20240 Mpixels/sec
Radeon HD 5830		12800 Mpixels/sec
	Difference: 7440 (58%)

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 maximum amount of data (measured in MB per second) that can be transported over the external memory interface within a second. It is calculated by multiplying the card's interface width by its memory speed. In the case of DDR memory, it must be multiplied by 2 once again. If it uses 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, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly record to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.