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Radeon HD 6450 (OEM) vs Radeon RX 560

Intro

The Radeon HD 6450 (OEM) has core clock speeds of 625 MHz on the GPU, and 800 MHz on the 512 MB of GDDR3 memory. It features 160 SPUs along with 8 TAUs and 4 ROPs.

Compare that to the Radeon RX 560, which uses a 14 nm design. AMD has set the core frequency at 1175 MHz. The GDDR5 memory works at a frequency of 7000 MHz on this particular card. It features 1024 SPUs as well as 64 TAUs and 16 Rasterization Operator Units.

Display Graphs

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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

In theory, the Radeon RX 560 should be 796% faster than the Radeon HD 6450 (OEM) overall, due to its greater bandwidth. (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 quite a bit (approximately 1404%) better at 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

The Radeon RX 560 should be much (approximately 652%) faster with regards to FSAA than the Radeon HD 6450 (OEM), and also able to handle higher resolutions more effectively. (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 (in units of MB 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 RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better 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 processed in one second. This number is worked out by multiplying the total number of texture units by the core clock speed of the chip. The better this number, the better the graphics card will be at 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 in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the the core 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 quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum 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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