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GeForce 8600 GT 256MB GDDR3 vs Radeon R7 M265

Intro

The GeForce 8600 GT 256MB GDDR3 uses a 80 nm design. nVidia has set the core frequency at 540 MHz. The GDDR3 RAM runs at a frequency of 700 MHz on this particular card. It features 32 SPUs as well as 16 Texture Address Units and 8 ROPs.

Compare all of that to the Radeon R7 M265, which comes with core clock speeds of 725 MHz on the GPU, and 1000 MHz on the 2048 MB of DDR3 RAM. It features 384 SPUs as well as 24 Texture Address Units and 8 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically, the Radeon R7 M265 should be much faster than the GeForce 8600 GT 256MB GDDR3 overall. (explain)

Radeon R7 M265 32000 MB/sec
GeForce 8600 GT 256MB GDDR3 22400 MB/sec
Difference: 9600 (43%)

Texel Rate

The Radeon R7 M265 is much (about 101%) more effective at anisotropic filtering than the GeForce 8600 GT 256MB GDDR3. (explain)

Radeon R7 M265 17400 Mtexels/sec
GeForce 8600 GT 256MB GDDR3 8640 Mtexels/sec
Difference: 8760 (101%)

Pixel Rate

The Radeon R7 M265 should be quite a bit (more or less 34%) better at FSAA than the GeForce 8600 GT 256MB GDDR3, and also should be able to handle higher resolutions while still performing well. (explain)

Radeon R7 M265 5800 Mpixels/sec
GeForce 8600 GT 256MB GDDR3 4320 Mpixels/sec
Difference: 1480 (34%)

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 256MB GDDR3

Amazon.com

Check prices at:

Radeon R7 M265

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 256MB GDDR3 Radeon R7 M265
Manufacturer nVidia AMD
Year April 2007 May 1 2014
Code Name G84 Opal XT
Memory 256 MB 2048 MB
Core Speed 540 MHz 725 MHz
Memory Speed 1400 MHz 2000 MHz
Power (Max TDP) 47 watts (Unknown) watts
Bandwidth 22400 MB/sec 32000 MB/sec
Texel Rate 8640 Mtexels/sec 17400 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 5800 Mpixels/sec
Unified Shaders 32 384
Texture Mapping Units 16 24
Render Output Units 8 8
Bus Type GDDR3 DDR3
Bus Width 128-bit 128-bit
Fab Process 80 nm 28 nm
Transistors 289 million (Unknown) million
Bus PCIe x16 PCIe 3.0 x8
DirectX Version DirectX 10 DirectX 11.2
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Bandwidth is the largest amount of data (counted in MB per second) that can be moved across the external memory interface in a second. The number is calculated by multiplying the card's bus width by its memory speed. If the card has DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied in one second. This is worked out by multiplying the total amount of texture units by the core 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 processed per second.

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

Display Prices

Hide Prices

GeForce 8600 GT 256MB GDDR3

Amazon.com

Check prices at:

Radeon R7 M265

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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