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GeForce 8800 GTS (G92) vs Radeon HD 5830

Intro

The GeForce 8800 GTS (G92) makes use of a 65 nm design. nVidia has clocked the core speed at 650 MHz. The GDDR3 RAM is set to run at a frequency of 970 MHz on this model. It features 128 SPUs as well as 64 TAUs and 16 ROPs.

Compare all of that to the Radeon HD 5830, which has a clock speed 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 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8800 GTS (G92) 135 Watts
Radeon HD 5830 175 Watts
Difference: 40 Watts (30%)

Memory Bandwidth

The Radeon HD 5830, in theory, should perform much faster than the GeForce 8800 GTS (G92) in general. (explain)

Radeon HD 5830 128000 MB/sec
GeForce 8800 GTS (G92) 62080 MB/sec
Difference: 65920 (106%)

Texel Rate

The Radeon HD 5830 should be a bit (more or less 8%) faster with regards to texture filtering than the GeForce 8800 GTS (G92). (explain)

Radeon HD 5830 44800 Mtexels/sec
GeForce 8800 GTS (G92) 41600 Mtexels/sec
Difference: 3200 (8%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon HD 5830 is a better choice, and very much so. (explain)

Radeon HD 5830 12800 Mpixels/sec
GeForce 8800 GTS (G92) 10400 Mpixels/sec
Difference: 2400 (23%)

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 GTS (G92)

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 GTS (G92) Radeon HD 5830
Manufacturer nVidia AMD
Year Dec 2007 February 25, 2010
Code Name G92 Cypress LE
Memory 512 MB 1024 MB
Core Speed 650 MHz 800 MHz
Memory Speed 1940 MHz 4000 MHz
Power (Max TDP) 135 watts 175 watts
Bandwidth 62080 MB/sec 128000 MB/sec
Texel Rate 41600 Mtexels/sec 44800 Mtexels/sec
Pixel Rate 10400 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 128 1120(224x5)
Texture Mapping Units 64 56
Render Output Units 16 16
Bus Type GDDR3 GDDR5
Bus Width 256-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 MB per second) that can be transported across the external memory interface within a second. The number is worked out by multiplying the card's interface width by its memory speed. If it uses DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This number is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The better the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

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

Display Prices

Hide Prices

GeForce 8800 GTS (G92)

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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