GeForce GT 1030 vs Radeon HD 4730

Intro

Compare all of that to the Radeon HD 4730, which has core clock speeds of 700 MHz on the GPU, and 900 MHz on the 512 MB of GDDR5 memory. It features 640(128x5) SPUs along with 32 Texture Address Units and 8 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 4730		140 Watts
	Difference: 110 Watts (367%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 4730 is 17% faster than the GeForce GT 1030 overall, due to its higher data rate. (explain)

Radeon HD 4730		57600 MB/sec
GeForce GT 1030		49152 MB/sec
	Difference: 8448 (17%)

Texel Rate

The GeForce GT 1030 is a lot (approximately 81%) faster with regards to texture filtering than the Radeon HD 4730. (explain)

GeForce GT 1030		40480 Mtexels/sec
Radeon HD 4730		22400 Mtexels/sec
	Difference: 18080 (81%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GT 1030 is a better choice, by a large margin. (explain)

GeForce GT 1030		20240 Mpixels/sec
Radeon HD 4730		5600 Mpixels/sec
	Difference: 14640 (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: Memory bandwidth is the maximum amount of data (measured in MB per second) that can be moved past the external memory interface in one second. The number is calculated by multiplying the card's bus width by the speed of its memory. 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 card's memory bandwidth, 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 texture map elements (texels) that are applied per second. This figure is worked out by multiplying the total number of texture units by the core clock speed of the chip. The better the texel rate, the better the 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 maximum number of pixels the video card could possibly write to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs by the the core 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 rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.