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GeForce GTX 465 vs GeForce GTX 660

Intro

The GeForce GTX 465 has a GPU clock speed of 607 MHz, and the 1024 MB of GDDR5 memory runs at 802 MHz through a 256-bit bus. It also is comprised of 352 Stream Processors, 44 TAUs, and 32 ROPs.

Compare that to the GeForce GTX 660, which features a clock speed of 980 MHz and a GDDR5 memory speed of 1502 MHz. It also features a 192-bit bus, and uses a 28 nm design. It is comprised of 960 SPUs, 80 TAUs, and 24 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 660 140 Watts
GeForce GTX 465 200 Watts
Difference: 60 Watts (43%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 660 should theoretically be much better than the GeForce GTX 465 in general. (explain)

GeForce GTX 660 144192 MB/sec
GeForce GTX 465 102592 MB/sec
Difference: 41600 (41%)

Texel Rate

The GeForce GTX 660 will be much (more or less 194%) faster with regards to AF than the GeForce GTX 465. (explain)

GeForce GTX 660 78400 Mtexels/sec
GeForce GTX 465 26708 Mtexels/sec
Difference: 51692 (194%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 660 is a better choice, by a large margin. (explain)

GeForce GTX 660 23520 Mpixels/sec
GeForce GTX 465 19424 Mpixels/sec
Difference: 4096 (21%)

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

Check prices at:

GeForce GTX 660

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 465 GeForce GTX 660
Manufacturer nVidia nVidia
Year May 2010 September 2012
Code Name GF100 GK106
Memory 1024 MB 2048 MB
Core Speed 607 MHz 980 MHz
Memory Speed 3208 MHz 6008 MHz
Power (Max TDP) 200 watts 140 watts
Bandwidth 102592 MB/sec 144192 MB/sec
Texel Rate 26708 Mtexels/sec 78400 Mtexels/sec
Pixel Rate 19424 Mpixels/sec 23520 Mpixels/sec
Unified Shaders 352 960
Texture Mapping Units 44 80
Render Output Units 32 24
Bus Type GDDR5 GDDR5
Bus Width 256-bit 192-bit
Fab Process 40 nm 28 nm
Transistors 3000 million 2540 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 largest amount of information (measured in megabytes per second) that can be transferred past the external memory interface in a second. The number is worked out by multiplying the bus width by its memory speed. In the case of DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied in one second. This figure is worked out by multiplying the total amount of texture units of the card 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 applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX 465

Amazon.com

Check prices at:

GeForce GTX 660

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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