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GeForce 8300 GS (OEM) vs GeForce 8600 GT 512MB DDR2

Intro

The GeForce 8300 GS (OEM) has a GPU core speed of 450 MHz, and the 128 MB of DDR2 RAM runs at 400 MHz through a 64-bit bus. It also is made up of 8 Stream Processors, 4 TAUs, and 2 ROPs.

Compare all of that to the GeForce 8600 GT 512MB DDR2, which uses a 80 nm design. nVidia has set the core speed at 540 MHz. The DDR2 memory runs at a speed of 400 MHz on this particular card. It features 32 SPUs along with 16 TAUs and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8300 GS (OEM) 40 Watts
GeForce 8600 GT 512MB DDR2 47 Watts
Difference: 7 Watts (18%)

Memory Bandwidth

Performance-wise, the GeForce 8600 GT 512MB DDR2 should in theory be quite a bit better than the GeForce 8300 GS (OEM) in general. (explain)

GeForce 8600 GT 512MB DDR2 12800 MB/sec
GeForce 8300 GS (OEM) 6400 MB/sec
Difference: 6400 (100%)

Texel Rate

The GeForce 8600 GT 512MB DDR2 is quite a bit (about 380%) faster with regards to anisotropic filtering than the GeForce 8300 GS (OEM). (explain)

GeForce 8600 GT 512MB DDR2 8640 Mtexels/sec
GeForce 8300 GS (OEM) 1800 Mtexels/sec
Difference: 6840 (380%)

Pixel Rate

The GeForce 8600 GT 512MB DDR2 is much (about 380%) more effective at anti-aliasing than the GeForce 8300 GS (OEM), and will be able to handle higher resolutions better. (explain)

GeForce 8600 GT 512MB DDR2 4320 Mpixels/sec
GeForce 8300 GS (OEM) 900 Mpixels/sec
Difference: 3420 (380%)

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 8300 GS (OEM)

Amazon.com

Check prices at:

GeForce 8600 GT 512MB DDR2

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 8300 GS (OEM) GeForce 8600 GT 512MB DDR2
Manufacturer nVidia nVidia
Year July 2007 April 2007
Code Name G86 G84
Memory 128 MB 512 MB
Core Speed 450 MHz 540 MHz
Memory Speed 800 MHz 800 MHz
Power (Max TDP) 40 watts 47 watts
Bandwidth 6400 MB/sec 12800 MB/sec
Texel Rate 1800 Mtexels/sec 8640 Mtexels/sec
Pixel Rate 900 Mpixels/sec 4320 Mpixels/sec
Unified Shaders 8 32
Texture Mapping Units 4 16
Render Output Units 2 8
Bus Type DDR2 DDR2
Bus Width 64-bit 128-bit
Fab Process 80 nm 80 nm
Transistors 210 million 289 million
Bus PCI Express x16 PCIe x16
DirectX Version DirectX 10 DirectX 10
OpenGL Version OpenGL 3.0 OpenGL 3.0

Memory Bandwidth: Bandwidth is the maximum amount of data (measured in MB per second) that can be moved past the external memory interface within a second. It is worked out by multiplying the interface width by its memory clock speed. If the card has DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. 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 can be applied in one second. This figure is calculated by multiplying the total texture units of the card by the core speed of the chip. The higher the texel rate, the better the video 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 most pixels the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce 8300 GS (OEM)

Amazon.com

Check prices at:

GeForce 8600 GT 512MB DDR2

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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