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GeForce GTX 280 vs Radeon HD 5830

Intro

The GeForce GTX 280 uses a 65 nm design. nVidia has clocked the core speed at 602 MHz. The GDDR3 memory runs at a speed of 1107 MHz on this specific card. It features 240 SPUs as well as 80 TAUs and 32 Rasterization Operator Units.

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

In theory, the GeForce GTX 280 should perform a small bit faster than the Radeon HD 5830 in general. (explain)

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

Texel Rate

The GeForce GTX 280 should be a small bit (about 8%) better at texture 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 much (more or less 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: Memory bandwidth is the maximum amount of data (measured in megabytes per second) that can be moved over the external memory interface in one second. The number is calculated by multiplying the card's bus width by its memory speed. If the card has DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better 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 can be processed in one second. This is calculated by multiplying the total texture units by the core speed of the chip. The higher this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum 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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