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GeForce GTX 280 vs Radeon HD 5830

Intro

The GeForce GTX 280 comes with clock speeds of 602 MHz on the GPU, and 1107 MHz on the 1024 MB of GDDR3 RAM. It features 240 SPUs as well as 80 Texture Address Units and 32 ROPs.

Compare all that to the Radeon HD 5830, which uses a 40 nm design. AMD has set the core speed at 800 MHz. The GDDR5 RAM works at a speed of 1000 MHz on this specific card. It features 1120(224x5) SPUs along with 56 Texture Address Units and 16 ROPs.

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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, the GeForce GTX 280 should perform just a 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 will be just a bit (approximately 8%) better at AF 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 is quite a bit (approximately 51%) faster with regards to anti-aliasing than the Radeon HD 5830, and also will be capable of handling higher resolutions more effectively. (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 maximum amount of information (in units of MB per second) that can be transported across the external memory interface in one second. It's calculated by multiplying the card's interface width by its memory clock speed. If it uses DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better 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 processed per second. This number is calculated by multiplying the total amount of texture units by the core speed of the chip. The better this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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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.

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