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Radeon HD 4550 256MB vs Radeon R7 M260

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 is set to run at a speed of 800 MHz on this specific card. It features 80(16x5) SPUs along with 8 TAUs and 4 ROPs.

Compare all of that to the Radeon R7 M260, which uses a 28 nm design. AMD has set the core frequency at 715 MHz. The DDR3 memory runs at a speed of 1000 MHz on this model. It features 384 SPUs as well as 24 TAUs and 8 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the Radeon R7 M260 should perform quite a bit faster than the Radeon HD 4550 256MB in general. (explain)

Radeon R7 M260 16000 MB/sec
Radeon HD 4550 256MB 12800 MB/sec
Difference: 3200 (25%)

Texel Rate

The Radeon R7 M260 will be a lot (more or less 258%) more effective at texture filtering than the Radeon HD 4550 256MB. (explain)

Radeon R7 M260 17160 Mtexels/sec
Radeon HD 4550 256MB 4800 Mtexels/sec
Difference: 12360 (258%)

Pixel Rate

The Radeon R7 M260 will be much (more or less 138%) better at FSAA than the Radeon HD 4550 256MB, and should be capable of handling higher resolutions while still performing well. (explain)

Radeon R7 M260 5720 Mpixels/sec
Radeon HD 4550 256MB 2400 Mpixels/sec
Difference: 3320 (138%)

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

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Radeon R7 M260

Amazon.com

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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 R7 M260
Manufacturer AMD AMD
Year Sep 30, 2008 June 2014
Code Name RV710 Opal/Topaz
Memory 256 MB 2048 MB
Core Speed 600 MHz 715 MHz
Memory Speed 1600 MHz 2000 MHz
Power (Max TDP) 25 watts (Unknown) watts
Bandwidth 12800 MB/sec 16000 MB/sec
Texel Rate 4800 Mtexels/sec 17160 Mtexels/sec
Pixel Rate 2400 Mpixels/sec 5720 Mpixels/sec
Unified Shaders 80(16x5) 384
Texture Mapping Units 8 24
Render Output Units 4 8
Bus Type DDR3 DDR3
Bus Width 64-bit 64-bit
Fab Process 55 nm 28 nm
Transistors 242 million (Unknown) million
Bus PCIe 2.0 x16 PCIe 3.0 x8
DirectX Version DirectX 10.1 DirectX 11.2
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of data (counted in MB per second) that can be moved past the external memory interface in a second. The number is calculated by multiplying the bus width by its memory speed. If it uses DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This number is worked out 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 applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly record to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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Radeon HD 4550 256MB

Amazon.com

Check prices at:

Radeon R7 M260

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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