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Radeon HD 5830 vs Radeon HD 5850


Intro

The Radeon HD 5830 has a GPU core clock speed of 800 MHz, and the 1024 MB of GDDR5 RAM runs at 1000 MHz through a 256-bit bus. It also is made up of 1120(224x5) SPUs, 56 TAUs, and 16 Raster Operation Units.

Compare all that to the Radeon HD 5850, which has a core clock speed of 725 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 is comprised of 1440(288x5) SPUs, 72 TAUs, 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 will be a small bit (approximately 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 is a lot (about 81%) faster with regards to AA than the Radeon HD 5830, and able to handle higher resolutions without slowing down too much. (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

Radeon HD 5850

Amazon.com

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: Memory bandwidth is the max amount of information (measured in megabytes per second) that can be moved past the external memory interface in a second. The number is worked out by multiplying the interface width by its memory speed. If the card has DDR type RAM, the result should be multiplied by 2 again. If it uses 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, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This figure is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The better the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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Radeon HD 5830

Amazon.com

Radeon HD 5850

Amazon.com

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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