GeForce 8800 GTX vs Radeon HD 7750

Intro

Compare those specifications to the Radeon HD 7750, which has core speeds of 800 MHz on the GPU, and 1125 MHz on the 1024 MB of GDDR5 RAM. It features 512 SPUs as well as 32 TAUs and 16 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7750		55 Watts
GeForce 8800 GTX		155 Watts
	Difference: 100 Watts (182%)

Memory Bandwidth

The GeForce 8800 GTX should theoretically perform just a bit faster than the Radeon HD 7750 overall. (explain)

GeForce 8800 GTX		86400 MB/sec
Radeon HD 7750		72000 MB/sec
	Difference: 14400 (20%)

Texel Rate

The GeForce 8800 GTX should be much (more or less 44%) better at texture filtering than the Radeon HD 7750. (explain)

GeForce 8800 GTX		36800 Mtexels/sec
Radeon HD 7750		25600 Mtexels/sec
	Difference: 11200 (44%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce 8800 GTX is a better choice, not by a very large margin though. (explain)

GeForce 8800 GTX		13800 Mpixels/sec
Radeon HD 7750		12800 Mpixels/sec
	Difference: 1000 (8%)

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 information (in units of megabytes per second) that can be transferred over the external memory interface in one second. The number is worked out by multiplying the interface width by its memory speed. If the card has DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs 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 is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.