GeForce GT 220 GDDR3 vs Radeon R9 295X2

Intro

Compare those specs to the Radeon R9 295X2, which features core clock speeds of 1018 MHz on the GPU, and 1250 MHz on the 4096 MB of GDDR5 RAM. It features 2816 SPUs as well as 176 TAUs and 64 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 220 GDDR3		58 Watts
Radeon R9 295X2		500 Watts
	Difference: 442 Watts (762%)

Memory Bandwidth

Theoretically speaking, the Radeon R9 295X2 is 1876% quicker than the GeForce GT 220 GDDR3 in general, due to its greater bandwidth. (explain)

Radeon R9 295X2		640000 MB/sec
GeForce GT 220 GDDR3		32384 MB/sec
	Difference: 607616 (1876%)

Texel Rate

The Radeon R9 295X2 is a lot (about 3483%) more effective at anisotropic filtering than the GeForce GT 220 GDDR3. (explain)

Radeon R9 295X2		358336 Mtexels/sec
GeForce GT 220 GDDR3		10000 Mtexels/sec
	Difference: 348336 (3483%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon R9 295X2 is superior to the GeForce GT 220 GDDR3, by a large margin. (explain)

Radeon R9 295X2		130304 Mpixels/sec
GeForce GT 220 GDDR3		5000 Mpixels/sec
	Difference: 125304 (2506%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

Specifications

Memory Bandwidth: Memory bandwidth is the maximum amount of information (in units of megabytes per second) that can be transferred past the external memory interface within a second. It's worked out by multiplying the card's bus width by the speed of its memory. In the case of DDR type RAM, the result should be multiplied by 2 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 anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This number is calculated by multiplying the total number of texture units of the card by the core 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 processed in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly record to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines 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 many 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.