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Radeon HD 6750 vs Radeon RX 470

Intro

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

Compare those specs to the Radeon RX 470, which has GPU core speed of 926 MHz, and 8192 MB of GDDR5 RAM running at 1650 MHz through a 256-bit bus. It also is comprised of 2048 SPUs, 128 TAUs, and 32 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6750 86 Watts
Radeon RX 470 120 Watts
Difference: 34 Watts (40%)

Memory Bandwidth

As far as performance goes, the Radeon RX 470 should in theory be a lot better than the Radeon HD 6750 overall. (explain)

Radeon RX 470 211200 MB/sec
Radeon HD 6750 64000 MB/sec
Difference: 147200 (230%)

Texel Rate

The Radeon RX 470 is a lot (about 354%) faster with regards to AF than the Radeon HD 6750. (explain)

Radeon RX 470 118528 Mtexels/sec
Radeon HD 6750 26100 Mtexels/sec
Difference: 92428 (354%)

Pixel Rate

If using a high resolution is important to you, then the Radeon RX 470 is a better choice, by a large margin. (explain)

Radeon RX 470 29632 Mpixels/sec
Radeon HD 6750 11600 Mpixels/sec
Difference: 18032 (155%)

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 470

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 470
Manufacturer AMD AMD
Year January 2011 August 2016
Code Name Juniper Pro Polaris 10
Memory 512 MB 8192 MB
Core Speed 725 MHz 926 MHz
Memory Speed 4000 MHz 6600 MHz
Power (Max TDP) 86 watts 120 watts
Bandwidth 64000 MB/sec 211200 MB/sec
Texel Rate 26100 Mtexels/sec 118528 Mtexels/sec
Pixel Rate 11600 Mpixels/sec 29632 Mpixels/sec
Unified Shaders 720 2048
Texture Mapping Units 36 128
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 maximum amount of information (counted in MB per second) that can be transported across the external memory interface in a second. It's calculated by multiplying the bus width by its memory clock speed. If it uses DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, 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 texture map elements (texels) that are processed per second. This figure is worked out by multiplying the total texture units 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 in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. 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 potential to get to the max fill rate.

Display Prices

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Radeon HD 6750

Amazon.com

Check prices at:

Radeon RX 470

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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