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GeForce 8800 GS vs Radeon HD 5830

Intro

The GeForce 8800 GS has a clock speed of 550 MHz and a GDDR3 memory speed of 800 MHz. It also features a 192-bit memory bus, and makes use of a 65 nm design. It is comprised of 96 SPUs, 48 Texture Address Units, and 12 ROPs.

Compare all that to the Radeon HD 5830, which comes with a GPU core clock speed of 800 MHz, and 1024 MB of GDDR5 memory running at 1000 MHz through a 256-bit bus. It also features 1120(224x5) Stream Processors, 56 Texture Address Units, 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

Performance-wise, the Radeon HD 5830 should theoretically be much superior to 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 quite a bit (approximately 70%) better at 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 maximum amount of information (measured in megabytes per second) that can be transported past the external memory interface in one second. The number is calculated by multiplying the bus width by the speed of its memory. In the case of DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the card's 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 are applied per second. This is worked out by multiplying the total number of texture units by the core speed of the chip. The higher the texel rate, the better the 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 amount of pixels that the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max 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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