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GeForce 8600 GS (OEM) vs Radeon HD 6450 (OEM) 1GB

Intro

The GeForce 8600 GS (OEM) comes with a GPU core speed of 540 MHz, and the 256 MB of DDR2 memory runs at 400 MHz through a 128-bit bus. It also features 32 Stream Processors, 16 TAUs, and 8 ROPs.

Compare those specs to the Radeon HD 6450 (OEM) 1GB, which features a clock speed of 750 MHz and a GDDR5 memory speed of 900 MHz. It also features a 64-bit bus, and makes use of a 40 nm design. It features 160 SPUs, 8 TAUs, and 4 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6450 (OEM) 1GB 31 Watts
GeForce 8600 GS (OEM) 47 Watts
Difference: 16 Watts (52%)

Memory Bandwidth

The Radeon HD 6450 (OEM) 1GB should in theory be a lot faster than the GeForce 8600 GS (OEM) overall. (explain)

Radeon HD 6450 (OEM) 1GB 28800 MB/sec
GeForce 8600 GS (OEM) 12800 MB/sec
Difference: 16000 (125%)

Texel Rate

The GeForce 8600 GS (OEM) will be a lot (approximately 44%) better at texture filtering than the Radeon HD 6450 (OEM) 1GB. (explain)

GeForce 8600 GS (OEM) 8640 Mtexels/sec
Radeon HD 6450 (OEM) 1GB 6000 Mtexels/sec
Difference: 2640 (44%)

Pixel Rate

The GeForce 8600 GS (OEM) should be quite a bit (approximately 44%) faster with regards to full screen anti-aliasing than the Radeon HD 6450 (OEM) 1GB, and also capable of handling higher screen resolutions while still performing well. (explain)

GeForce 8600 GS (OEM) 4320 Mpixels/sec
Radeon HD 6450 (OEM) 1GB 3000 Mpixels/sec
Difference: 1320 (44%)

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 GS (OEM)

Amazon.com

Check prices at:

Radeon HD 6450 (OEM) 1GB

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 GS (OEM) Radeon HD 6450 (OEM) 1GB
Manufacturer nVidia AMD
Year April 2007 February 2011
Code Name G84 Caicos
Memory 256 MB 1024 MB
Core Speed 540 MHz 750 MHz
Memory Speed 800 MHz 3600 MHz
Power (Max TDP) 47 watts 31 watts
Bandwidth 12800 MB/sec 28800 MB/sec
Texel Rate 8640 Mtexels/sec 6000 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 3000 Mpixels/sec
Unified Shaders 32 160
Texture Mapping Units 16 8
Render Output Units 8 4
Bus Type DDR2 GDDR5
Bus Width 128-bit 64-bit
Fab Process 80 nm 40 nm
Transistors 289 million 370 million
Bus PCIe x16 PCIe 2.1 x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Bandwidth is the max amount of data (counted in MB per second) that can be moved over the external memory interface in one second. It is calculated by multiplying the card's bus width by its memory clock speed. If it uses DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high 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 speed of the chip. The higher the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly record to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines 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 is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce 8600 GS (OEM)

Amazon.com

Check prices at:

Radeon HD 6450 (OEM) 1GB

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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