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GeForce 8800 GS vs Radeon HD 5830

Intro

The GeForce 8800 GS has a GPU clock speed of 550 MHz, and the 384 MB of GDDR3 RAM is set to run at 800 MHz through a 192-bit bus. It also features 96 Stream Processors, 48 TAUs, and 12 ROPs.

Compare those specs to the Radeon HD 5830, which features a core clock frequency of 800 MHz and a GDDR5 memory speed of 1000 MHz. It also features a 256-bit bus, and makes use of a 40 nm design. It features 1120(224x5) SPUs, 56 TAUs, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8800 GS 105 Watts
Radeon HD 5830 175 Watts
Difference: 70 Watts (67%)

Memory Bandwidth

The Radeon HD 5830 should theoretically perform quite a bit faster than the GeForce 8800 GS in general. (explain)

Radeon HD 5830 128000 MB/sec
GeForce 8800 GS 38400 MB/sec
Difference: 89600 (233%)

Texel Rate

The Radeon HD 5830 will be much (about 70%) faster with regards to anisotropic filtering than the GeForce 8800 GS. (explain)

Radeon HD 5830 44800 Mtexels/sec
GeForce 8800 GS 26400 Mtexels/sec
Difference: 18400 (70%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon HD 5830 is a better choice, by far. (explain)

Radeon HD 5830 12800 Mpixels/sec
GeForce 8800 GS 6600 Mpixels/sec
Difference: 6200 (94%)

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 8800 GS

Amazon.com

Check prices at:

Radeon HD 5830

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 8800 GS Radeon HD 5830
Manufacturer nVidia AMD
Year Jan 2008 February 25, 2010
Code Name G92 Cypress LE
Memory 384 MB 1024 MB
Core Speed 550 MHz 800 MHz
Memory Speed 1600 MHz 4000 MHz
Power (Max TDP) 105 watts 175 watts
Bandwidth 38400 MB/sec 128000 MB/sec
Texel Rate 26400 Mtexels/sec 44800 Mtexels/sec
Pixel Rate 6600 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 96 1120(224x5)
Texture Mapping Units 48 56
Render Output Units 12 16
Bus Type GDDR3 GDDR5
Bus Width 192-bit 256-bit
Fab Process 65 nm 40 nm
Transistors 754 million 2154 million
Bus PCIe x16 2.0 PCIe 2.1 x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 3.2

Memory Bandwidth: Bandwidth is the max amount of information (in units of megabytes per second) that can be moved past the external memory interface within a second. The number is worked out by multiplying the bus width by its memory clock speed. If the card has DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, 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 number of texture map elements (texels) that are processed per second. This is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly write to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the the card's 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 output rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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GeForce 8800 GS

Amazon.com

Check prices at:

Radeon HD 5830

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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