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Radeon HD 6450 (OEM) vs Radeon RX 560

Intro

The Radeon HD 6450 (OEM) uses a 40 nm design. AMD has set the core speed at 625 MHz. The GDDR3 memory works at a frequency of 800 MHz on this card. It features 160 SPUs along with 8 Texture Address Units and 4 ROPs.

Compare that to the Radeon RX 560, which comes with a GPU core clock speed of 1175 MHz, and 4096 MB of GDDR5 RAM running at 7000 MHz through a 128-bit bus. It also is made up of 1024 SPUs, 64 TAUs, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6450 (OEM) 31 Watts
Radeon RX 560 80 Watts
Difference: 49 Watts (158%)

Memory Bandwidth

The Radeon RX 560, in theory, should be a lot faster than the Radeon HD 6450 (OEM) in general. (explain)

Radeon RX 560 114688 MB/sec
Radeon HD 6450 (OEM) 12800 MB/sec
Difference: 101888 (796%)

Texel Rate

The Radeon RX 560 should be a lot (more or less 1404%) faster with regards to AF than the Radeon HD 6450 (OEM). (explain)

Radeon RX 560 75200 Mtexels/sec
Radeon HD 6450 (OEM) 5000 Mtexels/sec
Difference: 70200 (1404%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon RX 560 is superior to the Radeon HD 6450 (OEM), by far. (explain)

Radeon RX 560 18800 Mpixels/sec
Radeon HD 6450 (OEM) 2500 Mpixels/sec
Difference: 16300 (652%)

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 6450 (OEM)

Amazon.com

Check prices at:

Radeon RX 560

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 6450 (OEM) Radeon RX 560
Manufacturer AMD AMD
Year February 2011 May 2017
Code Name Caicos Baffin
Memory 512 MB 4096 MB
Core Speed 625 MHz 1175 MHz
Memory Speed 1600 MHz 28000 MHz
Power (Max TDP) 31 watts 80 watts
Bandwidth 12800 MB/sec 114688 MB/sec
Texel Rate 5000 Mtexels/sec 75200 Mtexels/sec
Pixel Rate 2500 Mpixels/sec 18800 Mpixels/sec
Unified Shaders 160 1024
Texture Mapping Units 8 64
Render Output Units 4 16
Bus Type GDDR3 GDDR5
Bus Width 64-bit 128-bit
Fab Process 40 nm 14 nm
Transistors 370 million 3000 million
Bus PCIe 2.1 x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 12.0
OpenGL Version OpenGL 4.1 OpenGL 4.6

Memory Bandwidth: Bandwidth is the maximum amount of data (counted in megabytes per second) that can be transferred over the external memory interface in one second. It's worked out by multiplying the bus width by its memory speed. If it uses DDR type RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed in one 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 graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on quite a few other factors, especially 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 6450 (OEM)

Amazon.com

Check prices at:

Radeon RX 560

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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