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Radeon HD 5830 vs Radeon HD 5850

Intro

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

Compare all of that to the Radeon HD 5850, which has a clock speed of 725 MHz and a GDDR5 memory speed of 1000 MHz. It also uses a 256-bit bus, and makes use of a 40 nm design. It is comprised of 1440(288x5) SPUs, 72 TAUs, and 32 Raster Operation Units.

Display Graphs

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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 the exact same memory bandwidth, so theoretically they should perform exactly the same. (explain)

Texel Rate

The Radeon HD 5850 is a small bit (approximately 17%) more effective at 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 should be quite a bit (about 81%) more effective at full screen anti-aliasing than the Radeon HD 5830, and also should be able to handle higher screen resolutions while still performing well. (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 maximum amount of data (in units of megabytes per second) that can be moved past the external memory interface within a second. It is calculated by multiplying the card's bus width by its memory clock speed. If the card has DDR RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels 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 Render Output Units by the the core 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 output rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

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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