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Radeon HD 6750 vs Radeon RX 580

Intro

The Radeon HD 6750 features core clock speeds of 725 MHz on the GPU, and 1000 MHz on the 512 MB of GDDR5 RAM. It features 720 SPUs along with 36 TAUs and 16 Rasterization Operator Units.

Compare all of that to the Radeon RX 580, which comes with clock speeds of 1257 MHz on the GPU, and 2000 MHz on the 8192 MB of GDDR5 RAM. It features 2304 SPUs along with 144 Texture Address Units and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6750 86 Watts
Radeon RX 580 185 Watts
Difference: 99 Watts (115%)

Memory Bandwidth

Theoretically, the Radeon RX 580 should perform a lot faster than the Radeon HD 6750 in general. (explain)

Radeon RX 580 262144 MB/sec
Radeon HD 6750 64000 MB/sec
Difference: 198144 (310%)

Texel Rate

The Radeon RX 580 is a lot (more or less 594%) faster with regards to AF than the Radeon HD 6750. (explain)

Radeon RX 580 181008 Mtexels/sec
Radeon HD 6750 26100 Mtexels/sec
Difference: 154908 (594%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon RX 580 is a better choice, and very much so. (explain)

Radeon RX 580 40224 Mpixels/sec
Radeon HD 6750 11600 Mpixels/sec
Difference: 28624 (247%)

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

Check prices at:

Radeon RX 580

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 580
Manufacturer AMD AMD
Year January 2011 April 2017
Code Name Juniper Pro Polaris 20
Memory 512 MB 8192 MB
Core Speed 725 MHz 1257 MHz
Memory Speed 4000 MHz 8000 MHz
Power (Max TDP) 86 watts 185 watts
Bandwidth 64000 MB/sec 262144 MB/sec
Texel Rate 26100 Mtexels/sec 181008 Mtexels/sec
Pixel Rate 11600 Mpixels/sec 40224 Mpixels/sec
Unified Shaders 720 2304
Texture Mapping Units 36 144
Render Output Units 16 32
Bus Type GDDR5 GDDR5
Bus Width 128-bit 256-bit
Fab Process 40 nm 14 nm
Transistors 1040 million 5700 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 max amount of data (measured in megabytes per second) that can be transferred over the external memory interface within a second. It is calculated by multiplying the interface width by its memory speed. If it uses DDR type memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card can possibly record to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the 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 580

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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