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GeForce GTX 260 vs GeForce GTX 460 1GB

Intro

The GeForce GTX 260 uses a 65 nm design. nVidia has set the core speed at 576 MHz. The GDDR3 memory works at a speed of 999 MHz on this specific model. It features 192 SPUs along with 64 TAUs and 28 ROPs.

Compare that to the GeForce GTX 460 1GB, which uses a 40 nm design. nVidia has clocked the core frequency at 675 MHz. The GDDR5 memory is set to run at a speed of 900 MHz on this specific card. It features 336 SPUs along with 56 Texture Address Units 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

Theoretically speaking, the GeForce GTX 460 1GB should perform a bit faster 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 is a bit (approximately 3%) faster with regards to 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 is a lot (approximately 34%) better at AA than the GeForce GTX 260, and also will be able to handle higher resolutions more effectively. (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: Memory bandwidth is the largest amount of data (counted in MB per second) that can be transferred over the external memory interface within a second. The number is worked out by multiplying the card's interface width by the speed of its memory. If the card has DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, 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 amount of texture map elements (texels) that are applied in one second. This is calculated by multiplying the total number of texture units of the card by the core 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 most pixels that the graphics card can possibly record to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max 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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