GeForce 9800 GTX+ vs Radeon HD 5750 512MB

Intro

Compare those specifications to the Radeon HD 5750 512MB, which makes use of a 40 nm design. AMD has set the core frequency at 700 MHz. The GDDR5 memory is set to run at a speed of 1150 MHz on this model. It features 720(144x5) SPUs along with 36 TAUs and 16 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5750 512MB		86 Watts
GeForce 9800 GTX+		145 Watts
	Difference: 59 Watts (69%)

Memory Bandwidth

Theoretically, the Radeon HD 5750 512MB should perform just a bit faster than the GeForce 9800 GTX+ overall. (explain)

Radeon HD 5750 512MB		73600 MB/sec
GeForce 9800 GTX+		70400 MB/sec
	Difference: 3200 (5%)

Texel Rate

The GeForce 9800 GTX+ will be quite a bit (about 87%) faster with regards to AF than the Radeon HD 5750 512MB. (explain)

GeForce 9800 GTX+		47232 Mtexels/sec
Radeon HD 5750 512MB		25200 Mtexels/sec
	Difference: 22032 (87%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce 9800 GTX+ is superior to the Radeon HD 5750 512MB, but it probably won't make a huge difference. (explain)

GeForce 9800 GTX+		11808 Mpixels/sec
Radeon HD 5750 512MB		11200 Mpixels/sec
	Difference: 608 (5%)

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 (in units of MB per second) that can be moved over the external memory interface in a second. The number is worked out by multiplying the card's interface width by its memory clock speed. In the case of DDR type RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied in one second. This is calculated by multiplying the total amount of texture units by the core 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 a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly record to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. 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 fill rate also depends on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.