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GeForce 8800 GTX vs GeForce GTX 465

Intro

The GeForce 8800 GTX has a GPU core speed of 575 MHz, and the 768 MB of GDDR3 RAM is set to run at 900 MHz through a 384-bit bus. It also features 128 SPUs, 64 TAUs, and 24 ROPs.

Compare that to the GeForce GTX 465, which comes with clock speeds of 607 MHz on the GPU, and 802 MHz on the 1024 MB of GDDR5 memory. It features 352 SPUs as well as 44 TAUs and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8800 GTX 155 Watts
GeForce GTX 465 200 Watts
Difference: 45 Watts (29%)

Memory Bandwidth

The GeForce GTX 465 should in theory perform just a bit faster than the GeForce 8800 GTX in general. (explain)

GeForce GTX 465 102592 MB/sec
GeForce 8800 GTX 86400 MB/sec
Difference: 16192 (19%)

Texel Rate

The GeForce 8800 GTX is quite a bit (more or less 38%) more effective at texture filtering than the GeForce GTX 465. (explain)

GeForce 8800 GTX 36800 Mtexels/sec
GeForce GTX 465 26708 Mtexels/sec
Difference: 10092 (38%)

Pixel Rate

The GeForce GTX 465 should be a lot (more or less 41%) faster with regards to full screen anti-aliasing than the GeForce 8800 GTX, and capable of handling higher screen resolutions while still performing well. (explain)

GeForce GTX 465 19424 Mpixels/sec
GeForce 8800 GTX 13800 Mpixels/sec
Difference: 5624 (41%)

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 8800 GTX

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 8800 GTX GeForce GTX 465
Manufacturer nVidia nVidia
Year Nov 2006 May 2010
Code Name G80 GF100
Memory 768 MB 1024 MB
Core Speed 575 MHz 607 MHz
Memory Speed 1800 MHz 3208 MHz
Power (Max TDP) 155 watts 200 watts
Bandwidth 86400 MB/sec 102592 MB/sec
Texel Rate 36800 Mtexels/sec 26708 Mtexels/sec
Pixel Rate 13800 Mpixels/sec 19424 Mpixels/sec
Unified Shaders 128 352
Texture Mapping Units 64 44
Render Output Units 24 32
Bus Type GDDR3 GDDR5
Bus Width 384-bit 256-bit
Fab Process 90 nm 40 nm
Transistors 681 million 3000 million
Bus PCIe x16 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the max amount of data (in units of megabytes per second) that can be transported past the external memory interface within a second. The number is calculated by multiplying the interface width by its memory speed. In the case of DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied per second. This is calculated by multiplying the total 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 applied in one second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units by the the core clock speed. 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, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce 8800 GTX

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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