GeForce GT 240 GDDR5 1GB vs Radeon R9 290X

Intro

Compare all of that to the Radeon R9 290X, which features GPU core speed of 800 MHz, and 4096 MB of GDDR5 RAM set to run at 1250 MHz through a 512-bit bus. It also features 2816 SPUs, 176 TAUs, and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 240 GDDR5 1GB		70 Watts
Radeon R9 290X		300 Watts
	Difference: 230 Watts (329%)

Memory Bandwidth

Theoretically speaking, the Radeon R9 290X should perform quite a bit faster than the GeForce GT 240 GDDR5 1GB in general. (explain)

Radeon R9 290X		320000 MB/sec
GeForce GT 240 GDDR5 1GB		54400 MB/sec
	Difference: 265600 (488%)

Texel Rate

The Radeon R9 290X will be much (about 700%) more effective at AF than the GeForce GT 240 GDDR5 1GB. (explain)

Radeon R9 290X		140800 Mtexels/sec
GeForce GT 240 GDDR5 1GB		17600 Mtexels/sec
	Difference: 123200 (700%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon R9 290X is superior to the GeForce GT 240 GDDR5 1GB, by a large margin. (explain)

Radeon R9 290X		51200 Mpixels/sec
GeForce GT 240 GDDR5 1GB		4400 Mpixels/sec
	Difference: 46800 (1064%)

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 (counted in MB per second) that can be moved past the external memory interface in one second. It's calculated by multiplying the bus width by the speed of its memory. In the case of DDR type memory, the result should be multiplied by 2 once again. If 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, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of colour ROPs by the clock 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 fill rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.