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Radeon HD 4550 512MB vs Radeon R7 M260

Intro

The Radeon HD 4550 512MB has a GPU core clock speed of 600 MHz, and the 512 MB of GDDR3 memory is set to run at 800 MHz through a 64-bit bus. It also features 80(16x5) Stream Processors, 8 Texture Address Units, and 4 ROPs.

Compare all of that to the Radeon R7 M260, which comes with core clock speeds of 715 MHz on the GPU, and 1000 MHz on the 2048 MB of DDR3 memory. It features 384 SPUs along with 24 Texture Address Units and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon R7 M260, in theory, should perform quite a bit faster than the Radeon HD 4550 512MB in general. (explain)

Radeon R7 M260 16000 MB/sec
Radeon HD 4550 512MB 12800 MB/sec
Difference: 3200 (25%)

Texel Rate

The Radeon R7 M260 will be much (more or less 258%) faster with regards to texture filtering than the Radeon HD 4550 512MB. (explain)

Radeon R7 M260 17160 Mtexels/sec
Radeon HD 4550 512MB 4800 Mtexels/sec
Difference: 12360 (258%)

Pixel Rate

The Radeon R7 M260 should be much (more or less 138%) more effective at AA than the Radeon HD 4550 512MB, and also will be capable of handling higher screen resolutions without losing too much performance. (explain)

Radeon R7 M260 5720 Mpixels/sec
Radeon HD 4550 512MB 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 512MB

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 512MB Radeon R7 M260
Manufacturer AMD AMD
Year Sep 30, 2008 June 2014
Code Name RV710 Opal/Topaz
Memory 512 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 GDDR3 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: Bandwidth is the max amount of information (in units of 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 interface width by the speed of its memory. If the card has DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of ROPs by the clock 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 also depends on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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Radeon HD 4550 512MB

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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