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GeForce GTX 460 2GB vs Geforce GTX 690

Intro

The GeForce GTX 460 2GB has a clock frequency of 675 MHz and a GDDR5 memory frequency of 900 MHz. It also uses a 256-bit memory bus, and makes use of a 40 nm design. It is made up of 336 SPUs, 56 Texture Address Units, and 32 Raster Operation Units.

Compare those specifications to the Geforce GTX 690, which features a clock frequency of 915 MHz and a GDDR5 memory speed of 1502 MHz. It also makes use of a 256-bit bus, and uses a 28 nm design. It features 1536 SPUs, 128 Texture Address Units, and 32 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 2GB 160 Watts
Geforce GTX 690 300 Watts
Difference: 140 Watts (88%)

Memory Bandwidth

Performance-wise, the Geforce GTX 690 should in theory be a lot superior to the GeForce GTX 460 2GB overall. (explain)

Geforce GTX 690 384512 MB/sec
GeForce GTX 460 2GB 115200 MB/sec
Difference: 269312 (234%)

Texel Rate

The Geforce GTX 690 should be a lot (more or less 520%) faster with regards to AF than the GeForce GTX 460 2GB. (explain)

Geforce GTX 690 234240 Mtexels/sec
GeForce GTX 460 2GB 37800 Mtexels/sec
Difference: 196440 (520%)

Pixel Rate

If using high levels of AA is important to you, then the Geforce GTX 690 is superior to the GeForce GTX 460 2GB, by far. (explain)

Geforce GTX 690 58560 Mpixels/sec
GeForce GTX 460 2GB 21600 Mpixels/sec
Difference: 36960 (171%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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GeForce GTX 460 2GB

Amazon.com

Check prices at:

Geforce GTX 690

Amazon.com

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Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce GTX 460 2GB Geforce GTX 690
Manufacturer nVidia nVidia
Year July 2010 April 2012
Code Name GF104 GK104
Memory 2048 MB 2048 MB (x2)
Core Speed 675 MHz 915 MHz (x2)
Memory Speed 3600 MHz 6008 MHz (x2)
Power (Max TDP) 160 watts 300 watts
Bandwidth 115200 MB/sec 384512 MB/sec
Texel Rate 37800 Mtexels/sec 234240 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 58560 Mpixels/sec
Unified Shaders 336 1536 (x2)
Texture Mapping Units 56 128 (x2)
Render Output Units 32 32 (x2)
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit (x2)
Fab Process 40 nm 28 nm
Transistors 1950 million 3540 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.0
OpenGL Version OpenGL 4.1 OpenGL 4.2

Memory Bandwidth: Bandwidth is the largest amount of data (measured in megabytes per second) that can be transported over the external memory interface in a second. It's calculated by multiplying the bus width by its memory clock speed. In the case of DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better 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 amount of texture map elements (texels) that are processed per second. This is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The better this number, the better the 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 chip can possibly record to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Raster Operations Pipelines by the the core 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 also depends on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce GTX 460 2GB

Amazon.com

Check prices at:

Geforce GTX 690

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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