GeForce GTS 450 1GB vs GeForce GTX 460 (OEM)

Intro

Compare those specs to the GeForce GTX 460 (OEM), which comes with clock speeds of 650 MHz on the GPU, and 850 MHz on the 1024 MB of GDDR5 memory. It features 336 SPUs as well as 56 TAUs and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTS 450 1GB		106 Watts
GeForce GTX 460 (OEM)		150 Watts
	Difference: 44 Watts (42%)

Memory Bandwidth

Theoretically, the GeForce GTX 460 (OEM) should perform a lot faster than the GeForce GTS 450 1GB in general. (explain)

GeForce GTX 460 (OEM)		108800 MB/sec
GeForce GTS 450 1GB		57728 MB/sec
	Difference: 51072 (88%)

Texel Rate

The GeForce GTX 460 (OEM) should be quite a bit (more or less 45%) better at anisotropic filtering than the GeForce GTS 450 1GB. (explain)

GeForce GTX 460 (OEM)		36400 Mtexels/sec
GeForce GTS 450 1GB		25056 Mtexels/sec
	Difference: 11344 (45%)

Pixel Rate

The GeForce GTX 460 (OEM) should be quite a bit (approximately 66%) better at AA than the GeForce GTS 450 1GB, and also will be able to handle higher screen resolutions without losing too much performance. (explain)

GeForce GTX 460 (OEM)		20800 Mpixels/sec
GeForce GTS 450 1GB		12528 Mpixels/sec
	Difference: 8272 (66%)

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 largest amount of information (measured in MB per second) that can be transported across the external memory interface in one second. It is calculated by multiplying the bus width by its memory speed. If the card has DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with AA, HDR 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 calculated by multiplying the total amount of texture units by the core speed of the chip. The higher this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.