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GeForce 8800 GT 1GB vs Radeon HD 5830

Intro

The GeForce 8800 GT 1GB comes with a clock frequency of 600 MHz and a GDDR3 memory frequency of 900 MHz. It also makes use of a 256-bit bus, and uses a 65 nm design. It features 112 SPUs, 56 TAUs, and 16 Raster Operation Units.

Compare all that to the Radeon HD 5830, which features core clock speeds of 800 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 RAM. It features 1120(224x5) SPUs as well as 56 Texture Address Units and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8800 GT 1GB 105 Watts
Radeon HD 5830 175 Watts
Difference: 70 Watts (67%)

Memory Bandwidth

Theoretically, the Radeon HD 5830 should perform much faster than the GeForce 8800 GT 1GB overall. (explain)

Radeon HD 5830 128000 MB/sec
GeForce 8800 GT 1GB 57600 MB/sec
Difference: 70400 (122%)

Texel Rate

The Radeon HD 5830 is much (approximately 33%) faster with regards to anisotropic filtering than the GeForce 8800 GT 1GB. (explain)

Radeon HD 5830 44800 Mtexels/sec
GeForce 8800 GT 1GB 33600 Mtexels/sec
Difference: 11200 (33%)

Pixel Rate

The Radeon HD 5830 is much (about 33%) better at FSAA than the GeForce 8800 GT 1GB, and also able to handle higher resolutions better. (explain)

Radeon HD 5830 12800 Mpixels/sec
GeForce 8800 GT 1GB 9600 Mpixels/sec
Difference: 3200 (33%)

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 GT 1GB

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 GT 1GB Radeon HD 5830
Manufacturer nVidia AMD
Year Dec 2007 February 25, 2010
Code Name G92 Cypress LE
Memory 1024 MB 1024 MB
Core Speed 600 MHz 800 MHz
Memory Speed 1800 MHz 4000 MHz
Power (Max TDP) 105 watts 175 watts
Bandwidth 57600 MB/sec 128000 MB/sec
Texel Rate 33600 Mtexels/sec 44800 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 112 1120(224x5)
Texture Mapping Units 56 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: Memory bandwidth is the largest amount of information (counted in MB per second) that can be transported past the external memory interface in one second. It is worked out by multiplying the card's bus width by the speed of its memory. If it uses DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This number is worked out by multiplying the total number of texture units by the core clock speed of the chip. The better the texel rate, 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 card can possibly write to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the core 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 rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce 8800 GT 1GB

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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