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GeForce 8800 GT 1GB vs Radeon HD 5830

Intro

The GeForce 8800 GT 1GB uses a 65 nm design. nVidia has set the core speed at 600 MHz. The GDDR3 RAM is set to run at a speed of 900 MHz on this card. It features 112 SPUs along with 56 TAUs and 16 ROPs.

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

The Radeon HD 5830, in theory, should be much faster than the GeForce 8800 GT 1GB in general. (explain)

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

Texel Rate

The Radeon HD 5830 will be a lot (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 should be a lot (more or less 33%) more effective at AA than the GeForce 8800 GT 1GB, and also will be 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 max amount of data (measured in MB per second) that can be transferred across the external memory interface in a second. The number is worked out by multiplying the bus width by its memory speed. If the card has DDR type memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, 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 texture map elements (texels) that are applied in one second. This figure is calculated by multiplying the total number of 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 in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max 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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