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Radeon HD 5830 vs Radeon HD 5850

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 Texture Address Units and 16 Rasterization Operator Units.

Compare all that to the Radeon HD 5850, which comes with a core clock frequency of 725 MHz and a GDDR5 memory speed of 1000 MHz. It also makes use of a 256-bit bus, and makes use of a 40 nm design. It is made up of 1440(288x5) SPUs, 72 Texture Address Units, and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5850 151 Watts
Radeon HD 5830 175 Watts
Difference: 24 Watts (16%)

Memory Bandwidth

Both cards have exactly the same bandwidth, so in theory they should perform the same. (explain)

Texel Rate

The Radeon HD 5850 should be a little bit (more or less 17%) faster with regards to anisotropic filtering than the Radeon HD 5830. (explain)

Radeon HD 5850 52200 Mtexels/sec
Radeon HD 5830 44800 Mtexels/sec
Difference: 7400 (17%)

Pixel Rate

The Radeon HD 5850 will be quite a bit (about 81%) more effective at full screen anti-aliasing than the Radeon HD 5830, and also able to handle higher resolutions without losing too much performance. (explain)

Radeon HD 5850 23200 Mpixels/sec
Radeon HD 5830 12800 Mpixels/sec
Difference: 10400 (81%)

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

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Radeon HD 5850

Amazon.com

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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 HD 5850
Manufacturer AMD AMD
Year February 25, 2010 September 30, 2009
Code Name Cypress LE Cypress PRO
Memory 1024 MB 1024 MB
Core Speed 800 MHz 725 MHz
Memory Speed 4000 MHz 4000 MHz
Power (Max TDP) 175 watts 151 watts
Bandwidth 128000 MB/sec 128000 MB/sec
Texel Rate 44800 Mtexels/sec 52200 Mtexels/sec
Pixel Rate 12800 Mpixels/sec 23200 Mpixels/sec
Unified Shaders 1120(224x5) 1440(288x5)
Texture Mapping Units 56 72
Render Output Units 16 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 40 nm 40 nm
Transistors 2154 million 2154 million
Bus PCIe 2.1 x16 PCIe 2.1 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 3.2 OpenGL 3.2

Memory Bandwidth: Bandwidth is the maximum amount of information (measured in megabytes per second) that can be moved over the external memory interface in a second. It's calculated by multiplying the card's bus width by its memory clock speed. If the card has DDR type RAM, it must be multiplied by 2 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 anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied per second. This number is worked out by multiplying the total texture units by the core clock speed of the chip. The higher this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the the card's clock speed. 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 also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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Radeon HD 5830

Amazon.com

Check prices at:

Radeon HD 5850

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.

Comments

One Response to “Radeon HD 5830 vs Radeon HD 5850”
GTS 450 => HD 577O apakah layak? - Page 3 says:

[...] tapi selisih harganya lumayan juga... perbedaan di ROPS, TMU, dan SP....cmiiw ato liat aja disini Reply With Quote   + Reply to [...]

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