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Radeon HD 6750 1GB vs Radeon RX 470 4GB

Intro

The Radeon HD 6750 1GB comes with clock speeds of 725 MHz on the GPU, and 1000 MHz on the 1024 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 4GB, which features GPU core speed of 926 MHz, and 4096 MB of GDDR5 RAM set to run at 1650 MHz through a 256-bit bus. It also is made up of 2048 Stream Processors, 128 Texture Address Units, and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6750 1GB 86 Watts
Radeon RX 470 4GB 120 Watts
Difference: 34 Watts (40%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 470 4GB should be much faster than the Radeon HD 6750 1GB in general. (explain)

Radeon RX 470 4GB 211200 MB/sec
Radeon HD 6750 1GB 64000 MB/sec
Difference: 147200 (230%)

Texel Rate

The Radeon RX 470 4GB should be a lot (about 354%) faster with regards to AF than the Radeon HD 6750 1GB. (explain)

Radeon RX 470 4GB 118528 Mtexels/sec
Radeon HD 6750 1GB 26100 Mtexels/sec
Difference: 92428 (354%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon RX 470 4GB is a better choice, by a large margin. (explain)

Radeon RX 470 4GB 29632 Mpixels/sec
Radeon HD 6750 1GB 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 1GB

Amazon.com

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Radeon RX 470 4GB

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 6750 1GB Radeon RX 470 4GB
Manufacturer AMD AMD
Year January 2011 August 2016
Code Name Juniper Pro Polaris 10
Memory 1024 MB 4096 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 4.1 OpenGL 4.5

Memory Bandwidth: Bandwidth is the largest amount of data (measured in megabytes per second) that can be moved past the external memory interface in one second. The number is calculated by multiplying the interface width by the speed of its memory. If it uses DDR RAM, it must be multiplied by 2 once again. If it uses 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 high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied per second. This is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the 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 maximum number of pixels the video card can possibly write to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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Radeon HD 6750 1GB

Amazon.com

Check prices at:

Radeon RX 470 4GB

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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