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GeForce GTX 465 vs GeForce GTX 660 Ti

Intro

The GeForce GTX 465 makes use of a 40 nm design. nVidia has set the core speed at 607 MHz. The GDDR5 RAM works at a frequency of 802 MHz on this card. It features 352 SPUs along with 44 TAUs and 32 Rasterization Operator Units.

Compare those specs to the GeForce GTX 660 Ti, which has a clock speed of 915 MHz and a GDDR5 memory speed of 1500 MHz. It also uses a 192-bit memory bus, and makes use of a 28 nm design. It features 1344 SPUs, 112 TAUs, and 24 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 660 Ti 150 Watts
GeForce GTX 465 200 Watts
Difference: 50 Watts (33%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 660 Ti should perform a lot faster than the GeForce GTX 465 in general. (explain)

GeForce GTX 660 Ti 144000 MB/sec
GeForce GTX 465 102592 MB/sec
Difference: 41408 (40%)

Texel Rate

The GeForce GTX 660 Ti should be a lot (approximately 284%) more effective at anisotropic filtering than the GeForce GTX 465. (explain)

GeForce GTX 660 Ti 102480 Mtexels/sec
GeForce GTX 465 26708 Mtexels/sec
Difference: 75772 (284%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 660 Ti is a better choice, but it probably won't make a huge difference. (explain)

GeForce GTX 660 Ti 21960 Mpixels/sec
GeForce GTX 465 19424 Mpixels/sec
Difference: 2536 (13%)

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 465

Amazon.com

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GeForce GTX 660 Ti

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 465 GeForce GTX 660 Ti
Manufacturer nVidia nVidia
Year May 2010 August 2012
Code Name GF100 GK104
Memory 1024 MB 2048 MB
Core Speed 607 MHz 915 MHz
Memory Speed 3208 MHz 6000 MHz
Power (Max TDP) 200 watts 150 watts
Bandwidth 102592 MB/sec 144000 MB/sec
Texel Rate 26708 Mtexels/sec 102480 Mtexels/sec
Pixel Rate 19424 Mpixels/sec 21960 Mpixels/sec
Unified Shaders 352 1344
Texture Mapping Units 44 112
Render Output Units 32 24
Bus Type GDDR5 GDDR5
Bus Width 256-bit 192-bit
Fab Process 40 nm 28 nm
Transistors 3000 million 3540 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.0
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of information (in units of megabytes per second) that can be transferred past the external memory interface within a second. The number is worked out by multiplying the bus width by the speed of its memory. If the card has DDR type RAM, it should be multiplied by 2 once again. If 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 number of texture map elements (texels) that are applied per second. This figure is worked out by multiplying the total texture units by the core speed of the chip. The higher the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can 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 filling the screen with pixels (the image). The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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GeForce GTX 465

Amazon.com

Check prices at:

GeForce GTX 660 Ti

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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