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GeForce 8600 GT 512MB GDDR3 vs Radeon R9 M270X

Intro

The GeForce 8600 GT 512MB GDDR3 has a clock speed of 540 MHz and a GDDR3 memory speed of 700 MHz. It also makes use of a 128-bit memory bus, and uses a 80 nm design. It is comprised of 32 SPUs, 16 TAUs, and 8 ROPs.

Compare those specs to the Radeon R9 M270X, which has GPU core speed of 725 MHz, and 2048 MB of GDDR5 RAM running at 1125 MHz through a 128-bit bus. It also features 640 SPUs, 40 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon R9 M270X, in theory, should be a lot faster than the GeForce 8600 GT 512MB GDDR3 overall. (explain)

Radeon R9 M270X 72000 MB/sec
GeForce 8600 GT 512MB GDDR3 22400 MB/sec
Difference: 49600 (221%)

Texel Rate

The Radeon R9 M270X should be quite a bit (approximately 236%) better at texture filtering than the GeForce 8600 GT 512MB GDDR3. (explain)

Radeon R9 M270X 29000 Mtexels/sec
GeForce 8600 GT 512MB GDDR3 8640 Mtexels/sec
Difference: 20360 (236%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon R9 M270X is the winner, and very much so. (explain)

Radeon R9 M270X 11600 Mpixels/sec
GeForce 8600 GT 512MB GDDR3 4320 Mpixels/sec
Difference: 7280 (169%)

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 GDDR3

Amazon.com

Check prices at:

Radeon R9 M270X

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 GDDR3 Radeon R9 M270X
Manufacturer nVidia AMD
Year April 2007 May 1 2014
Code Name G84 Venus XT
Memory 512 MB 2048 MB
Core Speed 540 MHz 725 MHz
Memory Speed 1400 MHz 4500 MHz
Power (Max TDP) 47 watts (Unknown) watts
Bandwidth 22400 MB/sec 72000 MB/sec
Texel Rate 8640 Mtexels/sec 29000 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 11600 Mpixels/sec
Unified Shaders 32 640
Texture Mapping Units 16 40
Render Output Units 8 16
Bus Type GDDR3 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 max amount of information (counted in MB per second) that can be transferred across the external memory interface within a second. It is worked out by multiplying the 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 bandwidth is, 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 amount of texture map elements (texels) that can be processed in one second. This figure is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better this number, 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 the video card could possibly write to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units 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 fill rate also depends on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce 8600 GT 512MB GDDR3

Amazon.com

Check prices at:

Radeon R9 M270X

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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