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GeForce GTX 460 1GB vs GeForce GTX 470

Intro

The GeForce GTX 460 1GB has core clock speeds of 675 MHz on the GPU, and 900 MHz on the 1024 MB of GDDR5 memory. It features 336 SPUs as well as 56 TAUs and 32 Rasterization Operator Units.

Compare those specifications to the GeForce GTX 470, which makes use of a 40 nm design. nVidia has clocked the core frequency at 607 MHz. The GDDR5 RAM is set to run at a speed of 837 MHz on this card. It features 448 SPUs as well as 56 TAUs and 40 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 1GB 160 Watts
GeForce GTX 470 215 Watts
Difference: 55 Watts (34%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 470 should theoretically be a bit better than the GeForce GTX 460 1GB overall. (explain)

GeForce GTX 470 133920 MB/sec
GeForce GTX 460 1GB 115200 MB/sec
Difference: 18720 (16%)

Texel Rate

The GeForce GTX 460 1GB is a bit (about 11%) better at anisotropic filtering than the GeForce GTX 470. (explain)

GeForce GTX 460 1GB 37800 Mtexels/sec
GeForce GTX 470 33992 Mtexels/sec
Difference: 3808 (11%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTX 470 is superior to the GeForce GTX 460 1GB, but not by far. (explain)

GeForce GTX 470 24280 Mpixels/sec
GeForce GTX 460 1GB 21600 Mpixels/sec
Difference: 2680 (12%)

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

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GeForce GTX 460 1GB

Amazon.com

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GeForce GTX 470

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 1GB GeForce GTX 470
Manufacturer nVidia nVidia
Year July 2010 March 2010
Code Name GF104 GF100
Memory 1024 MB 1280 MB
Core Speed 675 MHz 607 MHz
Memory Speed 3600 MHz 3348 MHz
Power (Max TDP) 160 watts 215 watts
Bandwidth 115200 MB/sec 133920 MB/sec
Texel Rate 37800 Mtexels/sec 33992 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 24280 Mpixels/sec
Unified Shaders 336 448
Texture Mapping Units 56 56
Render Output Units 32 40
Bus Type GDDR5 GDDR5
Bus Width 256-bit 320-bit
Fab Process 40 nm 40 nm
Transistors 1950 million 3000 million
Bus PCIe x16 PCIe x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Bandwidth is the max amount of information (in units of megabytes per second) that can be moved past the external memory interface within a second. It's worked out by multiplying the card's interface width by its memory speed. If it uses DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines 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 output rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce GTX 460 1GB

Amazon.com

Check prices at:

GeForce GTX 470

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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