GeForce GT 230 vs Radeon RX 470

Intro

Compare all that to the Radeon RX 470, which has a clock frequency of 926 MHz and a GDDR5 memory frequency of 1650 MHz. It also uses a 256-bit bus, and makes use of a 14 nm design. It features 2048 SPUs, 128 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 230		65 Watts
Radeon RX 470		120 Watts
	Difference: 55 Watts (85%)

Memory Bandwidth

The Radeon RX 470 should theoretically perform a lot faster than the GeForce GT 230 in general. (explain)

Radeon RX 470		211200 MB/sec
GeForce GT 230		38400 MB/sec
	Difference: 172800 (450%)

Texel Rate

The Radeon RX 470 will be much (approximately 1247%) better at AF than the GeForce GT 230. (explain)

Radeon RX 470		118528 Mtexels/sec
GeForce GT 230		8800 Mtexels/sec
	Difference: 109728 (1247%)

Pixel Rate

The Radeon RX 470 is much (more or less 573%) more effective at anti-aliasing than the GeForce GT 230, and also should be capable of handling higher resolutions more effectively. (explain)

Radeon RX 470		29632 Mpixels/sec
GeForce GT 230		4400 Mpixels/sec
	Difference: 25232 (573%)

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 data (measured in megabytes per second) that can be transferred over the external memory interface within a second. It is worked out by multiplying the card's interface width by its memory speed. If it uses DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.