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Radeon HD 4550 256MB vs Radeon R9 M290X

Intro

The Radeon HD 4550 256MB comes with a clock frequency of 600 MHz and a DDR3 memory speed of 800 MHz. It also features a 64-bit memory bus, and makes use of a 55 nm design. It features 80(16x5) SPUs, 8 TAUs, and 4 ROPs.

Compare all of that to the Radeon R9 M290X, which uses a 28 nm design. AMD has clocked the core frequency at 850 MHz. The GDDR5 RAM works at a frequency of 1200 MHz on this particular card. It features 1280 SPUs as well as 80 TAUs and 32 Rasterization Operator Units.

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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

Theoretically, the Radeon R9 M290X should perform quite a bit faster than the Radeon HD 4550 256MB in general. (explain)

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

Texel Rate

The Radeon R9 M290X will be a lot (about 1317%) faster with regards to texture filtering 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 lots of anti-aliasing is important to you, then the Radeon R9 M290X is a better choice, by a large margin. (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 (in units of megabytes per second) that can be moved past the external memory interface in a second. It is calculated by multiplying the interface width by its memory speed. In the case of DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max 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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