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Radeon HD 4550 256MB vs Radeon R9 M290X

Intro

The Radeon HD 4550 256MB makes use of a 55 nm design. AMD has set the core frequency at 600 MHz. The DDR3 memory works at a frequency of 800 MHz on this model. It features 80(16x5) SPUs as well as 8 Texture Address Units and 4 Rasterization Operator Units.

Compare that to the Radeon R9 M290X, which features core speeds of 850 MHz on the GPU, and 1200 MHz on the 4096 MB of GDDR5 RAM. It features 1280 SPUs as well as 80 Texture Address Units and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4550 256MB 25 Watts
Radeon R9 M290X 100 Watts
Difference: 75 Watts (300%)

Memory Bandwidth

In theory, the Radeon R9 M290X should be 1100% faster than the Radeon HD 4550 256MB in general, due to its greater data rate. (explain)

Radeon R9 M290X 153600 MB/sec
Radeon HD 4550 256MB 12800 MB/sec
Difference: 140800 (1100%)

Texel Rate

The Radeon R9 M290X is much (about 1317%) better at AF than the Radeon HD 4550 256MB. (explain)

Radeon R9 M290X 68000 Mtexels/sec
Radeon HD 4550 256MB 4800 Mtexels/sec
Difference: 63200 (1317%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon R9 M290X is the winner, and very much so. (explain)

Radeon R9 M290X 27200 Mpixels/sec
Radeon HD 4550 256MB 2400 Mpixels/sec
Difference: 24800 (1033%)

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 4550 256MB

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 4550 256MB Radeon R9 M290X
Manufacturer AMD AMD
Year Sep 30, 2008 May 1 2014
Code Name RV710 Neptune XT
Memory 256 MB 4096 MB
Core Speed 600 MHz 850 MHz
Memory Speed 1600 MHz 4800 MHz
Power (Max TDP) 25 watts 100 watts
Bandwidth 12800 MB/sec 153600 MB/sec
Texel Rate 4800 Mtexels/sec 68000 Mtexels/sec
Pixel Rate 2400 Mpixels/sec 27200 Mpixels/sec
Unified Shaders 80(16x5) 1280
Texture Mapping Units 8 80
Render Output Units 4 32
Bus Type DDR3 GDDR5
Bus Width 64-bit 256-bit
Fab Process 55 nm 28 nm
Transistors 242 million (Unknown) million
Bus PCIe 2.0 x16 PCIe 3.0 x16
DirectX Version DirectX 10.1 DirectX 11.2
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the largest amount of information (measured in MB per second) that can be moved over the external memory interface in one second. The number is worked out by multiplying the card's bus width by the speed of its memory. If the card has DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher 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 amount of texture map elements (texels) that are processed 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 this number, the better the 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 video card could possibly record to its 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 the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 4550 256MB

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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