GeForce GT 230 vs Radeon RX 460 2GB

Intro

Compare all that to the Radeon RX 460 2GB, which features clock speeds of 1090 MHz on the GPU, and 1750 MHz on the 2048 MB of GDDR5 memory. It features 896 SPUs along with 56 Texture Address Units and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 230		65 Watts
Radeon RX 460 2GB		75 Watts
	Difference: 10 Watts (15%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 460 2GB will be 192% quicker than the GeForce GT 230 overall, due to its greater data rate. (explain)

Radeon RX 460 2GB		112000 MB/sec
GeForce GT 230		38400 MB/sec
	Difference: 73600 (192%)

Texel Rate

The Radeon RX 460 2GB should be quite a bit (approximately 594%) more effective at anisotropic filtering than the GeForce GT 230. (explain)

Radeon RX 460 2GB		61040 Mtexels/sec
GeForce GT 230		8800 Mtexels/sec
	Difference: 52240 (594%)

Pixel Rate

The Radeon RX 460 2GB should be quite a bit (about 296%) faster with regards to full screen anti-aliasing than the GeForce GT 230, and also able to handle higher screen resolutions without slowing down too much. (explain)

Radeon RX 460 2GB		17440 Mpixels/sec
GeForce GT 230		4400 Mpixels/sec
	Difference: 13040 (296%)

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 transported across the external memory interface in one second. The number is calculated by multiplying the interface width by its memory speed. In the case of DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. This number is worked out by multiplying the total number of texture units by the core clock 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 maximum amount of pixels the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.