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GeForce GTX 280 vs Radeon HD 5830

Intro

The GeForce GTX 280 uses a 65 nm design. nVidia has set the core speed at 602 MHz. The GDDR3 RAM runs at a speed of 1107 MHz on this specific model. It features 240 SPUs as well as 80 TAUs and 32 ROPs.

Compare all of that to the Radeon HD 5830, which uses a 40 nm design. AMD has clocked the core speed at 800 MHz. The GDDR5 memory runs at a frequency of 1000 MHz on this particular card. It features 1120(224x5) SPUs as well as 56 Texture Address Units and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5830 175 Watts
GeForce GTX 280 236 Watts
Difference: 61 Watts (35%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 280 should be a little bit faster than the Radeon HD 5830 overall. (explain)

GeForce GTX 280 141696 MB/sec
Radeon HD 5830 128000 MB/sec
Difference: 13696 (11%)

Texel Rate

The GeForce GTX 280 will be a little bit (more or less 8%) more effective at anisotropic filtering than the Radeon HD 5830. (explain)

GeForce GTX 280 48160 Mtexels/sec
Radeon HD 5830 44800 Mtexels/sec
Difference: 3360 (8%)

Pixel Rate

The GeForce GTX 280 will be a lot (approximately 51%) more effective at FSAA than the Radeon HD 5830, and also should be capable of handling higher screen resolutions while still performing well. (explain)

GeForce GTX 280 19264 Mpixels/sec
Radeon HD 5830 12800 Mpixels/sec
Difference: 6464 (51%)

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 GTX 280

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 GTX 280 Radeon HD 5830
Manufacturer nVidia AMD
Year June 17, 2008 February 25, 2010
Code Name G200 Cypress LE
Memory 1024 MB 1024 MB
Core Speed 602 MHz 800 MHz
Memory Speed 2214 MHz 4000 MHz
Power (Max TDP) 236 watts 175 watts
Bandwidth 141696 MB/sec 128000 MB/sec
Texel Rate 48160 Mtexels/sec 44800 Mtexels/sec
Pixel Rate 19264 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 240 1120(224x5)
Texture Mapping Units 80 56
Render Output Units 32 16
Bus Type GDDR3 GDDR5
Bus Width 512-bit 256-bit
Fab Process 65 nm 40 nm
Transistors 1400 million 2154 million
Bus PCIe x16 2.0 PCIe 2.1 x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 3.2

Memory Bandwidth: Bandwidth is the max amount of information (measured in MB per second) that can be transferred past the external memory interface within a second. It is calculated by multiplying the bus width by its memory speed. In the case of DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, 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 can be processed per second. This is worked out by multiplying the total number of texture units by the core clock speed of the chip. The higher this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly record to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX 280

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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