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GeForce 8600 GT 512MB DDR2 vs GeForce GTX 980 Ti

Intro

The GeForce 8600 GT 512MB DDR2 uses a 80 nm design. nVidia has clocked the core frequency at 540 MHz. The DDR2 RAM is set to run at a frequency of 400 MHz on this particular model. It features 32 SPUs as well as 16 Texture Address Units and 8 Rasterization Operator Units.

Compare all that to the GeForce GTX 980 Ti, which makes use of a 28 nm design. nVidia has set the core speed at 1000 MHz. The GDDR5 RAM runs at a speed of 1750 MHz on this particular card. It features 2816 SPUs along with 176 TAUs and 96 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 512MB DDR2 47 Watts
GeForce GTX 980 Ti 250 Watts
Difference: 203 Watts (432%)

Memory Bandwidth

In theory, the GeForce GTX 980 Ti should be 2525% faster than the GeForce 8600 GT 512MB DDR2 in general, because of its higher bandwidth. (explain)

GeForce GTX 980 Ti 336000 MB/sec
GeForce 8600 GT 512MB DDR2 12800 MB/sec
Difference: 323200 (2525%)

Texel Rate

The GeForce GTX 980 Ti will be much (about 1937%) better at texture filtering than the GeForce 8600 GT 512MB DDR2. (explain)

GeForce GTX 980 Ti 176000 Mtexels/sec
GeForce 8600 GT 512MB DDR2 8640 Mtexels/sec
Difference: 167360 (1937%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GTX 980 Ti is superior to the GeForce 8600 GT 512MB DDR2, by far. (explain)

GeForce GTX 980 Ti 96000 Mpixels/sec
GeForce 8600 GT 512MB DDR2 4320 Mpixels/sec
Difference: 91680 (2122%)

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

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GeForce GTX 980 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 8600 GT 512MB DDR2 GeForce GTX 980 Ti
Manufacturer nVidia nVidia
Year April 2007 June 2015
Code Name G84 GM200
Memory 512 MB 6144 MB
Core Speed 540 MHz 1000 MHz
Memory Speed 800 MHz 7000 MHz
Power (Max TDP) 47 watts 250 watts
Bandwidth 12800 MB/sec 336000 MB/sec
Texel Rate 8640 Mtexels/sec 176000 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 96000 Mpixels/sec
Unified Shaders 32 2816
Texture Mapping Units 16 176
Render Output Units 8 96
Bus Type DDR2 GDDR5
Bus Width 128-bit 384-bit
Fab Process 80 nm 28 nm
Transistors 289 million 8000 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 12.0
OpenGL Version OpenGL 3.0 OpenGL 4.5

Memory Bandwidth: Bandwidth is the maximum amount of data (in units of MB per second) that can be moved across the external memory interface in one second. It's calculated by multiplying the card's interface width by its memory clock speed. If it uses DDR RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This figure is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The higher this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

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

Display Prices

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GeForce 8600 GT 512MB DDR2

Amazon.com

Check prices at:

GeForce GTX 980 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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