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Radeon HD 5830 vs Radeon R9 280X

Intro

The Radeon HD 5830 comes with core speeds of 800 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 RAM. It features 1120(224x5) SPUs as well as 56 TAUs and 16 Rasterization Operator Units.

Compare all that to the Radeon R9 280X, which makes use of a 28 nm design. AMD has set the core frequency at 850 MHz. The GDDR5 memory runs at a speed of 1500 MHz on this model. It features 2048 SPUs along with 128 Texture Address Units and 32 Rasterization Operator Units.

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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

Theoretically speaking, the Radeon R9 280X will be 125% quicker than the Radeon HD 5830 in general, due to its greater data rate. (explain)

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

Texel Rate

The Radeon R9 280X will be quite a bit (approximately 143%) better at AF 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 is a lot (about 113%) better at anti-aliasing than the Radeon HD 5830, and will be able to handle higher screen resolutions more effectively. (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: Bandwidth is the largest amount of data (in units of megabytes per second) that can be transported across the external memory interface in one second. It's worked out by multiplying the bus width by the speed of its memory. If the card has DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This number is calculated by multiplying the total number of texture units of the card 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 applied in one second.

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

Display Prices

Hide Prices

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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