GeForce GTX 260 vs Radeon HD 7750

Intro

Compare those specifications to the Radeon HD 7750, which uses a 28 nm design. AMD has clocked the core frequency at 800 MHz. The GDDR5 memory runs at a frequency of 1125 MHz on this card. It features 512 SPUs as well as 32 TAUs and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7750		55 Watts
GeForce GTX 260		182 Watts
	Difference: 127 Watts (231%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 260 is 55% quicker than the Radeon HD 7750 in general, due to its greater bandwidth. (explain)

GeForce GTX 260		111888 MB/sec
Radeon HD 7750		72000 MB/sec
	Difference: 39888 (55%)

Texel Rate

The GeForce GTX 260 will be a lot (more or less 44%) faster with regards to texture filtering than the Radeon HD 7750. (explain)

GeForce GTX 260		36864 Mtexels/sec
Radeon HD 7750		25600 Mtexels/sec
	Difference: 11264 (44%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GTX 260 is superior to the Radeon HD 7750, and very much so. (explain)

GeForce GTX 260		16128 Mpixels/sec
Radeon HD 7750		12800 Mpixels/sec
	Difference: 3328 (26%)

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 maximum amount of information (in units of MB per second) that can be transferred past the external memory interface in one second. It is calculated by multiplying the card's interface width by the speed of its memory. If the card has DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the faster 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 calculated by multiplying the total amount of texture units by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly write to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.