GeForce GT 220 GDDR3 vs Radeon R9 270X

Intro

Compare all that to the Radeon R9 270X, which has core speeds of 1000 MHz on the GPU, and 1400 MHz on the 2048 MB of GDDR5 RAM. It features 1280 SPUs as well as 80 TAUs and 32 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 220 GDDR3		58 Watts
Radeon R9 270X		180 Watts
	Difference: 122 Watts (210%)

Memory Bandwidth

Performance-wise, the Radeon R9 270X should theoretically be quite a bit superior to the GeForce GT 220 GDDR3 in general. (explain)

Radeon R9 270X		179200 MB/sec
GeForce GT 220 GDDR3		32384 MB/sec
	Difference: 146816 (453%)

Texel Rate

The Radeon R9 270X will be quite a bit (approximately 700%) faster with regards to AF than the GeForce GT 220 GDDR3. (explain)

Radeon R9 270X		80000 Mtexels/sec
GeForce GT 220 GDDR3		10000 Mtexels/sec
	Difference: 70000 (700%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon R9 270X is superior to the GeForce GT 220 GDDR3, and very much so. (explain)

Radeon R9 270X		32000 Mpixels/sec
GeForce GT 220 GDDR3		5000 Mpixels/sec
	Difference: 27000 (540%)

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 (counted in MB per second) that can be transported across the external memory interface in one second. The number is worked out by multiplying the card's bus width by its memory clock speed. If it uses DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This number is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The higher this number, the better the card will be at handling 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 that the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on quite a few 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.