GeForce GTX 460 (OEM) vs GeForce GTX 650 Ti 2GB

Intro

Compare those specifications to the GeForce GTX 650 Ti 2GB, which comes with a core clock frequency of 928 MHz and a GDDR5 memory speed of 1350 MHz. It also makes use of a 128-bit memory bus, and makes use of a 28 nm design. It is comprised of 768 SPUs, 64 Texture Address Units, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 Ti 2GB		110 Watts
GeForce GTX 460 (OEM)		150 Watts
	Difference: 40 Watts (36%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 460 (OEM) is 26% faster than the GeForce GTX 650 Ti 2GB in general, because of its higher bandwidth. (explain)

GeForce GTX 460 (OEM)		108800 MB/sec
GeForce GTX 650 Ti 2GB		86400 MB/sec
	Difference: 22400 (26%)

Texel Rate

The GeForce GTX 650 Ti 2GB should be quite a bit (about 63%) more effective at texture filtering than the GeForce GTX 460 (OEM). (explain)

GeForce GTX 650 Ti 2GB		59392 Mtexels/sec
GeForce GTX 460 (OEM)		36400 Mtexels/sec
	Difference: 22992 (63%)

Pixel Rate

The GeForce GTX 460 (OEM) will be much (approximately 40%) better at AA than the GeForce GTX 650 Ti 2GB, and also will be capable of handling higher resolutions without slowing down too much. (explain)

GeForce GTX 460 (OEM)		20800 Mpixels/sec
GeForce GTX 650 Ti 2GB		14848 Mpixels/sec
	Difference: 5952 (40%)

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 (measured in megabytes per second) that can be moved across the external memory interface in a second. The number is worked out by multiplying the bus width by its memory clock speed. If the card has DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher 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 texture map elements (texels) that can be processed per second. This figure is worked out by multiplying the total amount 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 processed in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. The figure is worked out 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 outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.