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GeForce GTX 460 vs GeForce GTX 465

Intro

The GeForce GTX 460 comes with core clock speeds of 675 MHz on the GPU, and 900 MHz on the 768 MB of GDDR5 RAM. It features 336 SPUs along with 56 TAUs and 24 Rasterization Operator Units.

Compare those specifications to the GeForce GTX 465, which features a GPU core clock speed of 607 MHz, and 1024 MB of GDDR5 memory running at 802 MHz through a 256-bit bus. It also is comprised of 352 SPUs, 44 TAUs, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 150 Watts
GeForce GTX 465 200 Watts
Difference: 50 Watts (33%)

Memory Bandwidth

The GeForce GTX 465, in theory, should perform just a bit faster than the GeForce GTX 460 in general. (explain)

GeForce GTX 465 102592 MB/sec
GeForce GTX 460 86400 MB/sec
Difference: 16192 (19%)

Texel Rate

The GeForce GTX 460 will be quite a bit (approximately 42%) more effective at AF than the GeForce GTX 465. (explain)

GeForce GTX 460 37800 Mtexels/sec
GeForce GTX 465 26708 Mtexels/sec
Difference: 11092 (42%)

Pixel Rate

The GeForce GTX 465 should be a little bit (about 20%) faster with regards to full screen anti-aliasing than the GeForce GTX 460, and also should be capable of handling higher resolutions without losing too much performance. (explain)

GeForce GTX 465 19424 Mpixels/sec
GeForce GTX 460 16200 Mpixels/sec
Difference: 3224 (20%)

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

Amazon.com

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GeForce GTX 465

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 GeForce GTX 465
Manufacturer nVidia nVidia
Year July 2010 May 2010
Code Name GF104 GF100
Memory 768 MB 1024 MB
Core Speed 675 MHz 607 MHz
Memory Speed 3600 MHz 3208 MHz
Power (Max TDP) 150 watts 200 watts
Bandwidth 86400 MB/sec 102592 MB/sec
Texel Rate 37800 Mtexels/sec 26708 Mtexels/sec
Pixel Rate 16200 Mpixels/sec 19424 Mpixels/sec
Unified Shaders 336 352
Texture Mapping Units 56 44
Render Output Units 24 32
Bus Type GDDR5 GDDR5
Bus Width 192-bit 256-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 (measured in megabytes per second) that can be moved over the external memory interface in a second. It is calculated by multiplying the bus width by its memory speed. If the card has DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. 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 can be applied in one second. This number is calculated by multiplying the total amount of texture units by the core speed of the chip. The better the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the most pixels the video 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 colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 460

Amazon.com

Check prices at:

GeForce GTX 465

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 460 vs GeForce GTX 465”
acid jones says:

Thanks for the great review, precise and concise and the explanations at the end really helped

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