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GeForce GTX 460 2GB vs GeForce GTX 465

Intro

The GeForce GTX 460 2GB has core clock speeds of 675 MHz on the GPU, and 900 MHz on the 2048 MB of GDDR5 RAM. It features 336 SPUs as well as 56 Texture Address Units and 32 Rasterization Operator Units.

Compare all of that to the GeForce GTX 465, which features a core clock speed of 607 MHz and a GDDR5 memory frequency of 802 MHz. It also features a 256-bit bus, and makes use of a 40 nm design. It is comprised of 352 SPUs, 44 TAUs, and 32 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 2GB 160 Watts
GeForce GTX 465 200 Watts
Difference: 40 Watts (25%)

Memory Bandwidth

In theory, the GeForce GTX 460 2GB should be 12% faster than the GeForce GTX 465 in general, due to its greater bandwidth. (explain)

GeForce GTX 460 2GB 115200 MB/sec
GeForce GTX 465 102592 MB/sec
Difference: 12608 (12%)

Texel Rate

The GeForce GTX 460 2GB should be a lot (approximately 42%) faster with regards to AF than the GeForce GTX 465. (explain)

GeForce GTX 460 2GB 37800 Mtexels/sec
GeForce GTX 465 26708 Mtexels/sec
Difference: 11092 (42%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 460 2GB is superior to the GeForce GTX 465, but only just. (explain)

GeForce GTX 460 2GB 21600 Mpixels/sec
GeForce GTX 465 19424 Mpixels/sec
Difference: 2176 (11%)

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 2GB

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.

Specifications

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Model GeForce GTX 460 2GB GeForce GTX 465
Manufacturer nVidia nVidia
Year July 2010 May 2010
Code Name GF104 GF100
Memory 2048 MB 1024 MB
Core Speed 675 MHz 607 MHz
Memory Speed 3600 MHz 3208 MHz
Power (Max TDP) 160 watts 200 watts
Bandwidth 115200 MB/sec 102592 MB/sec
Texel Rate 37800 Mtexels/sec 26708 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 19424 Mpixels/sec
Unified Shaders 336 352
Texture Mapping Units 56 44
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-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 data (measured in megabytes per second) that can be transferred past the external memory interface in a second. It's worked out by multiplying the bus width by the speed of its memory. If it uses DDR memory, it should be multiplied by 2 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 AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly write to its local memory in a second - measured in millions of pixels per second. The number is calculated 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 fill rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 460 2GB

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.

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