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Radeon HD 6750 vs Radeon RX 550

Intro

The Radeon HD 6750 has a GPU core speed of 725 MHz, and the 512 MB of GDDR5 RAM runs at 1000 MHz through a 128-bit bus. It also features 720 Stream Processors, 36 TAUs, and 16 Raster Operation Units.

Compare all of that to the Radeon RX 550, which comes with core clock speeds of 1100 MHz on the GPU, and 1750 MHz on the 2048 MB of GDDR5 memory. It features 512 SPUs along with 32 TAUs and 16 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 550 50 Watts
Radeon HD 6750 86 Watts
Difference: 36 Watts (72%)

Memory Bandwidth

The Radeon RX 550 should theoretically be a lot faster than the Radeon HD 6750 in general. (explain)

Radeon RX 550 114688 MB/sec
Radeon HD 6750 64000 MB/sec
Difference: 50688 (79%)

Texel Rate

The Radeon RX 550 will be much (more or less 35%) better at AF than the Radeon HD 6750. (explain)

Radeon RX 550 35200 Mtexels/sec
Radeon HD 6750 26100 Mtexels/sec
Difference: 9100 (35%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon RX 550 is superior to the Radeon HD 6750, by far. (explain)

Radeon RX 550 17600 Mpixels/sec
Radeon HD 6750 11600 Mpixels/sec
Difference: 6000 (52%)

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 6750

Amazon.com

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Radeon RX 550

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 6750 Radeon RX 550
Manufacturer AMD AMD
Year January 2011 April 2017
Code Name Juniper Pro Polaris 12
Memory 512 MB 2048 MB
Core Speed 725 MHz 1100 MHz
Memory Speed 4000 MHz 7000 MHz
Power (Max TDP) 86 watts 50 watts
Bandwidth 64000 MB/sec 114688 MB/sec
Texel Rate 26100 Mtexels/sec 35200 Mtexels/sec
Pixel Rate 11600 Mpixels/sec 17600 Mpixels/sec
Unified Shaders 720 512
Texture Mapping Units 36 32
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 40 nm 14 nm
Transistors 1040 million 2200 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 12.0
OpenGL Version OpenGL 4.0 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the maximum amount of data (counted in MB per second) that can be transferred over the external memory interface within a second. It's calculated by multiplying the card's bus width by the speed of its memory. If it uses DDR type RAM, the result should be multiplied by 2 once 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 are processed per second. This figure is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly write to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the the core 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 fill rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

Radeon HD 6750

Amazon.com

Check prices at:

Radeon RX 550

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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