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GeForce 8600 GT 512MB DDR2 vs Geforce GTX 770

Intro

The GeForce 8600 GT 512MB DDR2 features a GPU clock speed of 540 MHz, and the 512 MB of DDR2 RAM is set to run at 400 MHz through a 128-bit bus. It also is comprised of 32 Stream Processors, 16 Texture Address Units, and 8 Raster Operation Units.

Compare all that to the Geforce GTX 770, which features GPU core speed of 1046 MHz, and 2048 MB of GDDR5 RAM set to run at 1753 MHz through a 256-bit bus. It also is comprised of 1536 SPUs, 128 TAUs, and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 512MB DDR2 47 Watts
Geforce GTX 770 230 Watts
Difference: 183 Watts (389%)

Memory Bandwidth

Theoretically speaking, the Geforce GTX 770 should be quite a bit faster than the GeForce 8600 GT 512MB DDR2 in general. (explain)

Geforce GTX 770 224384 MB/sec
GeForce 8600 GT 512MB DDR2 12800 MB/sec
Difference: 211584 (1653%)

Texel Rate

The Geforce GTX 770 is quite a bit (about 1450%) more effective at texture filtering than the GeForce 8600 GT 512MB DDR2. (explain)

Geforce GTX 770 133888 Mtexels/sec
GeForce 8600 GT 512MB DDR2 8640 Mtexels/sec
Difference: 125248 (1450%)

Pixel Rate

The Geforce GTX 770 will be quite a bit (more or less 675%) better at AA than the GeForce 8600 GT 512MB DDR2, and should be capable of handling higher resolutions more effectively. (explain)

Geforce GTX 770 33472 Mpixels/sec
GeForce 8600 GT 512MB DDR2 4320 Mpixels/sec
Difference: 29152 (675%)

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 8600 GT 512MB DDR2

Amazon.com

Check prices at:

Geforce GTX 770

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 8600 GT 512MB DDR2 Geforce GTX 770
Manufacturer nVidia nVidia
Year April 2007 May 2013
Code Name G84 GK104
Memory 512 MB 2048 MB
Core Speed 540 MHz 1046 MHz
Memory Speed 800 MHz 7012 MHz
Power (Max TDP) 47 watts 230 watts
Bandwidth 12800 MB/sec 224384 MB/sec
Texel Rate 8640 Mtexels/sec 133888 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 33472 Mpixels/sec
Unified Shaders 32 1536
Texture Mapping Units 16 128
Render Output Units 8 32
Bus Type DDR2 GDDR5
Bus Width 128-bit 256-bit
Fab Process 80 nm 28 nm
Transistors 289 million 3540 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.0
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Bandwidth is the maximum amount of information (in units of megabytes per second) that can be moved over the external memory interface within a second. The number is worked out by multiplying the bus width by its memory clock speed. If the card has DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed per second. This figure is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The higher the texel rate, the better the video card will be at handling 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 that the graphics chip could possibly record to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce 8600 GT 512MB DDR2

Amazon.com

Check prices at:

Geforce GTX 770

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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