GeForce GTS 150 vs GeForce GTX 460

Intro

Compare those specs to the GeForce GTX 460, which features clock speeds of 675 MHz on the GPU, and 900 MHz on the 768 MB of GDDR5 RAM. It features 336 SPUs along with 56 Texture Address Units and 24 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTS 150		141 Watts
GeForce GTX 460		150 Watts
	Difference: 9 Watts (6%)

Memory Bandwidth

The GeForce GTX 460 should in theory perform a lot faster than the GeForce GTS 150 in general. (explain)

GeForce GTX 460		86400 MB/sec
GeForce GTS 150		32000 MB/sec
	Difference: 54400 (170%)

Texel Rate

The GeForce GTS 150 will be quite a bit (about 25%) faster with regards to texture filtering than the GeForce GTX 460. (explain)

GeForce GTS 150		47360 Mtexels/sec
GeForce GTX 460		37800 Mtexels/sec
	Difference: 9560 (25%)

Pixel Rate

The GeForce GTX 460 will be much (about 37%) better at FSAA than the GeForce GTS 150, and also able to handle higher screen resolutions more effectively. (explain)

GeForce GTX 460		16200 Mpixels/sec
GeForce GTS 150		11840 Mpixels/sec
	Difference: 4360 (37%)

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 megabytes per second) that can be moved over the external memory interface in a second. It's worked out by multiplying the bus width by the speed of its memory. If it uses DDR type memory, the result should be multiplied by 2 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 anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.