GeForce GT 220 GDDR3 vs Radeon HD 6950 2GB

Intro

Compare those specifications to the Radeon HD 6950 2GB, which has core clock speeds of 800 MHz on the GPU, and 1250 MHz on the 2048 MB of GDDR5 RAM. It features 1408 SPUs as well as 88 TAUs and 32 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 220 GDDR3		58 Watts
Radeon HD 6950 2GB		200 Watts
	Difference: 142 Watts (245%)

Memory Bandwidth

The Radeon HD 6950 2GB should in theory be quite a bit faster than the GeForce GT 220 GDDR3 in general. (explain)

Radeon HD 6950 2GB		160000 MB/sec
GeForce GT 220 GDDR3		32384 MB/sec
	Difference: 127616 (394%)

Texel Rate

The Radeon HD 6950 2GB should be quite a bit (more or less 604%) more effective at AF than the GeForce GT 220 GDDR3. (explain)

Radeon HD 6950 2GB		70400 Mtexels/sec
GeForce GT 220 GDDR3		10000 Mtexels/sec
	Difference: 60400 (604%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon HD 6950 2GB is the winner, and very much so. (explain)

Radeon HD 6950 2GB		25600 Mpixels/sec
GeForce GT 220 GDDR3		5000 Mpixels/sec
	Difference: 20600 (412%)

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 (measured in megabytes per second) that can be transported over the external memory interface in one second. The number is calculated by multiplying the card's bus width by its memory clock speed. If the card has DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's 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 amount of texture map elements (texels) that can be processed in one second. This number is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The better this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.