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GeForce GTX 260 vs GeForce GTX 470

Intro

The GeForce GTX 260 uses a 65 nm design. nVidia has clocked the core frequency at 576 MHz. The GDDR3 RAM works at a frequency of 999 MHz on this model. It features 192 SPUs as well as 64 TAUs and 28 Rasterization Operator Units.

Compare those specifications to the GeForce GTX 470, which comes with a core clock speed of 607 MHz and a GDDR5 memory frequency of 837 MHz. It also uses a 320-bit bus, and uses a 40 nm design. It is made up of 448 SPUs, 56 Texture Address Units, and 40 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 260 182 Watts
GeForce GTX 470 215 Watts
Difference: 33 Watts (18%)

Memory Bandwidth

Performance-wise, the GeForce GTX 470 should theoretically be a small bit better than the GeForce GTX 260 overall. (explain)

GeForce GTX 470 133920 MB/sec
GeForce GTX 260 111888 MB/sec
Difference: 22032 (20%)

Texel Rate

The GeForce GTX 260 will be a small bit (about 8%) more effective at texture filtering than the GeForce GTX 470. (explain)

GeForce GTX 260 36864 Mtexels/sec
GeForce GTX 470 33992 Mtexels/sec
Difference: 2872 (8%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GTX 470 is superior to the GeForce GTX 260, and very much so. (explain)

GeForce GTX 470 24280 Mpixels/sec
GeForce GTX 260 16128 Mpixels/sec
Difference: 8152 (51%)

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 260

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.

Specifications

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Model GeForce GTX 260 GeForce GTX 470
Manufacturer nVidia nVidia
Year June 16, 2008 March 2010
Code Name G200 GF100
Memory 896 MB 1280 MB
Core Speed 576 MHz 607 MHz
Memory Speed 1998 MHz 3348 MHz
Power (Max TDP) 182 watts 215 watts
Bandwidth 111888 MB/sec 133920 MB/sec
Texel Rate 36864 Mtexels/sec 33992 Mtexels/sec
Pixel Rate 16128 Mpixels/sec 24280 Mpixels/sec
Unified Shaders 192 448
Texture Mapping Units 64 56
Render Output Units 28 40
Bus Type GDDR3 GDDR5
Bus Width 448-bit 320-bit
Fab Process 65 nm 40 nm
Transistors 1400 million 3000 million
Bus PCIe x16 2.0 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the maximum amount of data (in units of MB per second) that can be transported past the external memory interface within a second. The number is worked out by multiplying the bus width by its memory clock speed. In the case of DDR type memory, it should be multiplied by 2 once 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 AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed in one second. This figure is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The higher this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce GTX 260

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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