GeForce GTS 150 vs GeForce GTX 460 (OEM)

Intro

Compare that to the GeForce GTX 460 (OEM), which features core 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 Texture Address Units and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

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

Memory Bandwidth

Performance-wise, the GeForce GTX 460 (OEM) should theoretically be quite a bit superior to the GeForce GTS 150 in general. (explain)

GeForce GTX 460 (OEM)		108800 MB/sec
GeForce GTS 150		32000 MB/sec
	Difference: 76800 (240%)

Texel Rate

The GeForce GTS 150 will be much (approximately 30%) faster with regards to AF than the GeForce GTX 460 (OEM). (explain)

GeForce GTS 150		47360 Mtexels/sec
GeForce GTX 460 (OEM)		36400 Mtexels/sec
	Difference: 10960 (30%)

Pixel Rate

The GeForce GTX 460 (OEM) should be much (about 76%) better at anti-aliasing than the GeForce GTS 150, and also able to handle higher screen resolutions better. (explain)

GeForce GTX 460 (OEM)		20800 Mpixels/sec
GeForce GTS 150		11840 Mpixels/sec
	Difference: 8960 (76%)

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 data (counted in MB per second) that can be transported across the external memory interface in one second. It is worked out by multiplying the bus width by the speed of its memory. If it uses DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's 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 amount of texture map elements (texels) that are processed per second. This number is worked out by multiplying the total number of texture units of the card 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 in one second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly write to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.