GeForce GT 240 GDDR5 1GB vs Radeon RX 460

Intro

Compare all that to the Radeon RX 460, which comes with a core clock frequency of 1090 MHz and a GDDR5 memory speed of 1750 MHz. It also features a 128-bit memory bus, and uses a 14 nm design. It is made up of 896 SPUs, 56 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 240 GDDR5 1GB		70 Watts
Radeon RX 460		75 Watts
	Difference: 5 Watts (7%)

Memory Bandwidth

Performance-wise, the Radeon RX 460 should in theory be quite a bit superior to the GeForce GT 240 GDDR5 1GB overall. (explain)

Radeon RX 460		112000 MB/sec
GeForce GT 240 GDDR5 1GB		54400 MB/sec
	Difference: 57600 (106%)

Texel Rate

The Radeon RX 460 will be quite a bit (approximately 247%) better at anisotropic filtering than the GeForce GT 240 GDDR5 1GB. (explain)

Radeon RX 460		61040 Mtexels/sec
GeForce GT 240 GDDR5 1GB		17600 Mtexels/sec
	Difference: 43440 (247%)

Pixel Rate

The Radeon RX 460 is much (approximately 296%) more effective at AA than the GeForce GT 240 GDDR5 1GB, and also should be capable of handling higher screen resolutions without losing too much performance. (explain)

Radeon RX 460		17440 Mpixels/sec
GeForce GT 240 GDDR5 1GB		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: Bandwidth is the largest amount of information (counted in megabytes per second) that can be transported across the external memory interface in one second. It is calculated by multiplying the card's interface width by its memory speed. In the case of DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster 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 texture map elements (texels) that can be processed per second. This is calculated by multiplying the total number of texture units by the core 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 per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.