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Radeon HD 5850 vs Radeon R9 M290X

Intro

The Radeon HD 5850 has a GPU core speed of 725 MHz, and the 1024 MB of GDDR5 RAM is set to run at 1000 MHz through a 256-bit bus. It also features 1440(288x5) Stream Processors, 72 TAUs, and 32 ROPs.

Compare all that to the Radeon R9 M290X, which comes with GPU clock speed of 850 MHz, and 4096 MB of GDDR5 RAM set to run at 1200 MHz through a 256-bit bus. It also features 1280 Stream Processors, 80 TAUs, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M290X 100 Watts
Radeon HD 5850 151 Watts
Difference: 51 Watts (51%)

Memory Bandwidth

In theory, the Radeon R9 M290X is 20% faster than the Radeon HD 5850 in general, due to its greater bandwidth. (explain)

Radeon R9 M290X 153600 MB/sec
Radeon HD 5850 128000 MB/sec
Difference: 25600 (20%)

Texel Rate

The Radeon R9 M290X will be quite a bit (approximately 30%) faster with regards to texture filtering than the Radeon HD 5850. (explain)

Radeon R9 M290X 68000 Mtexels/sec
Radeon HD 5850 52200 Mtexels/sec
Difference: 15800 (30%)

Pixel Rate

If using a high resolution is important to you, then the Radeon R9 M290X is a better choice, but it probably won't make a huge difference. (explain)

Radeon R9 M290X 27200 Mpixels/sec
Radeon HD 5850 23200 Mpixels/sec
Difference: 4000 (17%)

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 5850

Amazon.com

Check prices at:

Radeon R9 M290X

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 5850 Radeon R9 M290X
Manufacturer AMD AMD
Year September 30, 2009 May 1 2014
Code Name Cypress PRO Neptune XT
Memory 1024 MB 4096 MB
Core Speed 725 MHz 850 MHz
Memory Speed 4000 MHz 4800 MHz
Power (Max TDP) 151 watts 100 watts
Bandwidth 128000 MB/sec 153600 MB/sec
Texel Rate 52200 Mtexels/sec 68000 Mtexels/sec
Pixel Rate 23200 Mpixels/sec 27200 Mpixels/sec
Unified Shaders 1440(288x5) 1280
Texture Mapping Units 72 80
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 40 nm 28 nm
Transistors 2154 million (Unknown) 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 max amount of information (measured in megabytes per second) that can be transferred past the external memory interface within a second. The number is calculated by multiplying the bus width by its memory clock speed. If the card has DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster 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 texture map elements (texels) that are applied in one second. This figure is calculated by multiplying the total amount of texture units 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 applied per second.

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

Display Prices

Hide Prices

Radeon HD 5850

Amazon.com

Check prices at:

Radeon R9 M290X

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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