GeForce GTX 460 2GB vs GeForce GTX 465

Intro

Compare all of that to the GeForce GTX 465, which features GPU clock speed of 607 MHz, and 1024 MB of GDDR5 memory running at 802 MHz through a 256-bit bus. It also is made up of 352 Stream Processors, 44 TAUs, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 2GB		160 Watts
GeForce GTX 465		200 Watts
	Difference: 40 Watts (25%)

Memory Bandwidth

Performance-wise, the GeForce GTX 460 2GB should in theory be a small bit better than the GeForce GTX 465 overall. (explain)

GeForce GTX 460 2GB		115200 MB/sec
GeForce GTX 465		102592 MB/sec
	Difference: 12608 (12%)

Texel Rate

The GeForce GTX 460 2GB will be much (about 42%) more effective at AF than the GeForce GTX 465. (explain)

GeForce GTX 460 2GB		37800 Mtexels/sec
GeForce GTX 465		26708 Mtexels/sec
	Difference: 11092 (42%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 460 2GB is a better choice, but not by far. (explain)

GeForce GTX 460 2GB		21600 Mpixels/sec
GeForce GTX 465		19424 Mpixels/sec
	Difference: 2176 (11%)

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 megabytes per second) that can be transported over the external memory interface in a second. It's 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 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This number is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units 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 fill rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.