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GeForce 8600 GT 512MB DDR2 vs Geforce GTX 770

Intro

The GeForce 8600 GT 512MB DDR2 uses a 80 nm design. nVidia has set the core frequency at 540 MHz. The DDR2 RAM works at a frequency of 400 MHz on this specific card. It features 32 SPUs along with 16 Texture Address Units and 8 ROPs.

Compare all that to the Geforce GTX 770, which comes with a clock speed of 1046 MHz and a GDDR5 memory frequency of 1753 MHz. It also makes use of a 256-bit memory bus, and uses a 28 nm design. It is made up of 1536 SPUs, 128 Texture Address Units, 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 1653% quicker than the GeForce 8600 GT 512MB DDR2 in general, due to its greater data rate. (explain)

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

Texel Rate

The Geforce GTX 770 will be much (approximately 1450%) more effective at AF 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

If running with lots of anti-aliasing is important to you, then the Geforce GTX 770 is a better choice, by far. (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: Memory bandwidth is the maximum amount of data (counted in MB per second) that can be transported past the external memory interface in one second. It is calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR type memory, it should be multiplied by 2 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 higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed per second. This number is calculated by multiplying the total amount of texture units of the card by the core 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 in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly record to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach 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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