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GeForce 8600 GT 1GB DDR2 vs Radeon R9 M265X

Intro

The GeForce 8600 GT 1GB DDR2 has a core clock frequency of 540 MHz and a DDR2 memory speed of 400 MHz. It also makes use of a 128-bit memory bus, and makes use of a 80 nm design. It is made up of 32 SPUs, 16 Texture Address Units, and 8 ROPs.

Compare all of that to the Radeon R9 M265X, which makes use of a 28 nm design. AMD has set the core speed at 575 MHz. The GDDR5 RAM is set to run at a frequency of 1125 MHz on this specific card. It features 640 SPUs along with 40 TAUs and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Performance-wise, the Radeon R9 M265X should in theory be much superior to the GeForce 8600 GT 1GB DDR2 in general. (explain)

Radeon R9 M265X 72000 MB/sec
GeForce 8600 GT 1GB DDR2 12800 MB/sec
Difference: 59200 (463%)

Texel Rate

The Radeon R9 M265X will be much (approximately 166%) more effective at anisotropic filtering than the GeForce 8600 GT 1GB DDR2. (explain)

Radeon R9 M265X 23000 Mtexels/sec
GeForce 8600 GT 1GB DDR2 8640 Mtexels/sec
Difference: 14360 (166%)

Pixel Rate

The Radeon R9 M265X should be a lot (about 113%) faster with regards to AA than the GeForce 8600 GT 1GB DDR2, and will be capable of handling higher resolutions without losing too much performance. (explain)

Radeon R9 M265X 9200 Mpixels/sec
GeForce 8600 GT 1GB DDR2 4320 Mpixels/sec
Difference: 4880 (113%)

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 DDR2

Amazon.com

Check prices at:

Radeon R9 M265X

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 DDR2 Radeon R9 M265X
Manufacturer nVidia AMD
Year April 2007 May 1 2014
Code Name G84 Venus Pro
Memory 1024 MB 2048 MB
Core Speed 540 MHz 575 MHz
Memory Speed 800 MHz 4500 MHz
Power (Max TDP) 47 watts (Unknown) watts
Bandwidth 12800 MB/sec 72000 MB/sec
Texel Rate 8640 Mtexels/sec 23000 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 9200 Mpixels/sec
Unified Shaders 32 640
Texture Mapping Units 16 40
Render Output Units 8 16
Bus Type DDR2 GDDR5
Bus Width 128-bit 128-bit
Fab Process 80 nm 28 nm
Transistors 289 million (Unknown) million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.2
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of information (counted in megabytes per second) that can be moved across the external memory interface in one second. The number is worked out by multiplying the interface width by the speed of its memory. If the card has DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the faster 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 texture map elements (texels) that can be applied per second. This 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 video 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 that the graphics chip can possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines 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, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce 8600 GT 1GB DDR2

Amazon.com

Check prices at:

Radeon R9 M265X

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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