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GeForce 8600 GT 1GB GDDR3 vs GeForce GTX 650 Ti

Intro

The GeForce 8600 GT 1GB GDDR3 features a core clock frequency of 540 MHz and a GDDR3 memory frequency of 700 MHz. It also makes use of a 128-bit bus, and uses a 80 nm design. It features 32 SPUs, 16 Texture Address Units, and 8 ROPs.

Compare all of that to the GeForce GTX 650 Ti, which uses a 28 nm design. nVidia has clocked the core speed at 928 MHz. The GDDR5 memory is set to run at a speed of 1350 MHz on this card. It features 768 SPUs as well as 64 Texture Address Units and 16 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 1GB GDDR3 47 Watts
GeForce GTX 650 Ti 110 Watts
Difference: 63 Watts (134%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 650 Ti should theoretically be a lot superior to the GeForce 8600 GT 1GB GDDR3 in general. (explain)

GeForce GTX 650 Ti 86400 MB/sec
GeForce 8600 GT 1GB GDDR3 22400 MB/sec
Difference: 64000 (286%)

Texel Rate

The GeForce GTX 650 Ti will be quite a bit (approximately 587%) more effective at anisotropic filtering than the GeForce 8600 GT 1GB GDDR3. (explain)

GeForce GTX 650 Ti 59392 Mtexels/sec
GeForce 8600 GT 1GB GDDR3 8640 Mtexels/sec
Difference: 50752 (587%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 650 Ti is superior to the GeForce 8600 GT 1GB GDDR3, and very much so. (explain)

GeForce GTX 650 Ti 14848 Mpixels/sec
GeForce 8600 GT 1GB GDDR3 4320 Mpixels/sec
Difference: 10528 (244%)

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 1GB GDDR3

Amazon.com

Check prices at:

GeForce GTX 650 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.

Specifications

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Model GeForce 8600 GT 1GB GDDR3 GeForce GTX 650 Ti
Manufacturer nVidia nVidia
Year April 2007 October 2012
Code Name G84 GK106
Memory 1024 MB 1024 MB
Core Speed 540 MHz 928 MHz
Memory Speed 1400 MHz 5400 MHz
Power (Max TDP) 47 watts 110 watts
Bandwidth 22400 MB/sec 86400 MB/sec
Texel Rate 8640 Mtexels/sec 59392 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 14848 Mpixels/sec
Unified Shaders 32 768
Texture Mapping Units 16 64
Render Output Units 8 16
Bus Type GDDR3 GDDR5
Bus Width 128-bit 128-bit
Fab Process 80 nm 28 nm
Transistors 289 million 2540 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 data (counted in megabytes per second) that can be moved across the external memory interface in a second. The number is worked out by multiplying the interface width by the speed of its memory. If it uses DDR memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly record to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce 8600 GT 1GB GDDR3

Amazon.com

Check prices at:

GeForce GTX 650 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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