GeForce GT 220 GDDR3 vs Radeon R9 280X

Intro

Compare all of that to the Radeon R9 280X, which comes with a clock frequency of 850 MHz and a GDDR5 memory speed of 1500 MHz. It also uses a 384-bit bus, and makes use of a 28 nm design. It features 2048 SPUs, 128 TAUs, and 32 Raster Operation Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 220 GDDR3		58 Watts
Radeon R9 280X		250 Watts
	Difference: 192 Watts (331%)

Memory Bandwidth

Theoretically, the Radeon R9 280X should be quite a bit faster than the GeForce GT 220 GDDR3 in general. (explain)

Radeon R9 280X		288000 MB/sec
GeForce GT 220 GDDR3		32384 MB/sec
	Difference: 255616 (789%)

Texel Rate

The Radeon R9 280X will be much (more or less 988%) more effective at AF than the GeForce GT 220 GDDR3. (explain)

Radeon R9 280X		108800 Mtexels/sec
GeForce GT 220 GDDR3		10000 Mtexels/sec
	Difference: 98800 (988%)

Pixel Rate

The Radeon R9 280X will be a lot (about 444%) faster with regards to AA than the GeForce GT 220 GDDR3, and should be capable of handling higher screen resolutions without slowing down too much. (explain)

Radeon R9 280X		27200 Mpixels/sec
GeForce GT 220 GDDR3		5000 Mpixels/sec
	Difference: 22200 (444%)

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 max amount of data (in units of megabytes per second) that can be transported over the external memory interface within a second. The number is worked out by multiplying the bus width by its memory clock speed. In the case of DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher 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 number of texture map elements (texels) that are applied in one second. This number is worked out by multiplying the total 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 a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.