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GeForce 8600 GT 512MB DDR2 vs Geforce GTX 770

Intro

The GeForce 8600 GT 512MB DDR2 comes with a core clock frequency of 540 MHz and a DDR2 memory frequency of 400 MHz. It also uses a 128-bit memory bus, and uses a 80 nm design. It is comprised of 32 SPUs, 16 TAUs, and 8 ROPs.

Compare those specifications to the Geforce GTX 770, which makes use of a 28 nm design. nVidia has clocked the core frequency at 1046 MHz. The GDDR5 memory works at a frequency of 1753 MHz on this model. It features 1536 SPUs along with 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

The Geforce GTX 770, in theory, should perform a lot 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 will be much (approximately 1450%) faster with regards to anisotropic 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 is a lot (more or less 675%) faster with regards to anti-aliasing than the GeForce 8600 GT 512MB DDR2, and also will be capable of handling higher resolutions without losing too much performance. (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 max amount of data (counted in megabytes per second) that can be transported past the external memory interface in one second. It's worked out by multiplying the interface width by the speed of its memory. If the card has DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per second. This number is calculated by multiplying the total number of texture units by the core clock 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 applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly write to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential 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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