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GeForce GTX 260 vs GeForce GTX 460 1GB

Intro

The GeForce GTX 260 has a core clock speed of 576 MHz and a GDDR3 memory frequency of 999 MHz. It also features a 448-bit memory bus, and uses a 65 nm design. It features 192 SPUs, 64 Texture Address Units, and 28 Raster Operation Units.

Compare all that to the GeForce GTX 460 1GB, which comes with GPU core speed of 675 MHz, and 1024 MB of GDDR5 memory running at 900 MHz through a 256-bit bus. It also features 336 Stream Processors, 56 TAUs, and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 1GB 160 Watts
GeForce GTX 260 182 Watts
Difference: 22 Watts (14%)

Memory Bandwidth

Performance-wise, the GeForce GTX 460 1GB should in theory be a bit better than the GeForce GTX 260 overall. (explain)

GeForce GTX 460 1GB 115200 MB/sec
GeForce GTX 260 111888 MB/sec
Difference: 3312 (3%)

Texel Rate

The GeForce GTX 460 1GB should be a bit (approximately 3%) more effective at texture filtering than the GeForce GTX 260. (explain)

GeForce GTX 460 1GB 37800 Mtexels/sec
GeForce GTX 260 36864 Mtexels/sec
Difference: 936 (3%)

Pixel Rate

The GeForce GTX 460 1GB will be a lot (more or less 34%) faster with regards to anti-aliasing than the GeForce GTX 260, and also should be able to handle higher resolutions while still performing well. (explain)

GeForce GTX 460 1GB 21600 Mpixels/sec
GeForce GTX 260 16128 Mpixels/sec
Difference: 5472 (34%)

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 460 1GB

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 460 1GB
Manufacturer nVidia nVidia
Year June 16, 2008 July 2010
Code Name G200 GF104
Memory 896 MB 1024 MB
Core Speed 576 MHz 675 MHz
Memory Speed 1998 MHz 3600 MHz
Power (Max TDP) 182 watts 160 watts
Bandwidth 111888 MB/sec 115200 MB/sec
Texel Rate 36864 Mtexels/sec 37800 Mtexels/sec
Pixel Rate 16128 Mpixels/sec 21600 Mpixels/sec
Unified Shaders 192 336
Texture Mapping Units 64 56
Render Output Units 28 32
Bus Type GDDR3 GDDR5
Bus Width 448-bit 256-bit
Fab Process 65 nm 40 nm
Transistors 1400 million 1950 million
Bus PCIe x16 2.0 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 4.1

Memory Bandwidth: Bandwidth is the maximum amount of data (measured in MB per second) that can be moved past the external memory interface in a second. It is worked out by multiplying the card's bus width by its memory speed. If the card has DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 260

Amazon.com

Check prices at:

GeForce GTX 460 1GB

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.

Comments

One Response to “GeForce GTX 260 vs GeForce GTX 460 1GB”
vikas says:

i have an alienware aurora(Desktop) with 1792 mb dual gtx 260 sli graphics card and my brother is going to buy a laptop alienware m17x and they are offering him a 1.5gb dual gtx 460m sli graphics card

Do you think that 1.5gb 460m is better than 1792mb gtx 260 ??

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