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Radeon HD 5830 vs Radeon R9 280X

Intro

The Radeon HD 5830 uses a 40 nm design. AMD has clocked the core speed at 800 MHz. The GDDR5 RAM is set to run at a speed of 1000 MHz on this particular card. It features 1120(224x5) SPUs along with 56 Texture Address Units and 16 Rasterization Operator Units.

Compare those specs to the Radeon R9 280X, which uses a 28 nm design. AMD has set the core speed at 850 MHz. The GDDR5 memory works at a frequency of 1500 MHz on this particular model. It features 2048 SPUs as well as 128 TAUs and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5830 175 Watts
Radeon R9 280X 250 Watts
Difference: 75 Watts (43%)

Memory Bandwidth

As far as performance goes, the Radeon R9 280X should theoretically be quite a bit superior to the Radeon HD 5830 in general. (explain)

Radeon R9 280X 288000 MB/sec
Radeon HD 5830 128000 MB/sec
Difference: 160000 (125%)

Texel Rate

The Radeon R9 280X is a lot (more or less 143%) faster with regards to texture filtering than the Radeon HD 5830. (explain)

Radeon R9 280X 108800 Mtexels/sec
Radeon HD 5830 44800 Mtexels/sec
Difference: 64000 (143%)

Pixel Rate

The Radeon R9 280X should be much (approximately 113%) more effective at full screen anti-aliasing than the Radeon HD 5830, and also should be capable of handling higher screen resolutions without slowing down too much. (explain)

Radeon R9 280X 27200 Mpixels/sec
Radeon HD 5830 12800 Mpixels/sec
Difference: 14400 (113%)

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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Radeon HD 5830

Amazon.com

Check prices at:

Radeon R9 280X

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 Radeon HD 5830 Radeon R9 280X
Manufacturer AMD AMD
Year February 25, 2010 October 2013
Code Name Cypress LE Tahiti XTL
Memory 1024 MB 3072 MB
Core Speed 800 MHz 850 MHz
Memory Speed 4000 MHz 6000 MHz
Power (Max TDP) 175 watts 250 watts
Bandwidth 128000 MB/sec 288000 MB/sec
Texel Rate 44800 Mtexels/sec 108800 Mtexels/sec
Pixel Rate 12800 Mpixels/sec 27200 Mpixels/sec
Unified Shaders 1120(224x5) 2048
Texture Mapping Units 56 128
Render Output Units 16 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 384-bit
Fab Process 40 nm 28 nm
Transistors 2154 million 4313 million
Bus PCIe 2.1 x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.2
OpenGL Version OpenGL 3.2 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of information (in units of megabytes per second) that can be moved over the external memory interface in one second. The number is calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed in one second. This figure is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The better this number, the better the card will be at handling 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 the video card can possibly write to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs 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 fill rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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Radeon HD 5830

Amazon.com

Check prices at:

Radeon R9 280X

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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