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Radeon HD 3850 X2 vs Radeon RX 560

Intro

The Radeon HD 3850 X2 comes with core speeds of 668 MHz on the GPU, and 828 MHz on the 512 MB of GDDR3 memory. It features 320(64x5) SPUs along with 16 TAUs and 16 ROPs.

Compare those specs to the Radeon RX 560, which features a clock speed of 1175 MHz and a GDDR5 memory speed of 7000 MHz. It also makes use of a 128-bit memory bus, and makes use of a 14 nm design. It features 1024 SPUs, 64 TAUs, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically, the Radeon RX 560 should be just a bit faster than the Radeon HD 3850 X2 in general. (explain)

Radeon RX 560 114688 MB/sec
Radeon HD 3850 X2 105984 MB/sec
Difference: 8704 (8%)

Texel Rate

The Radeon RX 560 will be a lot (about 252%) faster with regards to AF than the Radeon HD 3850 X2. (explain)

Radeon RX 560 75200 Mtexels/sec
Radeon HD 3850 X2 21376 Mtexels/sec
Difference: 53824 (252%)

Pixel Rate

The Radeon HD 3850 X2 will be a little bit (about 14%) more effective at FSAA than the Radeon RX 560, and also will be able to handle higher screen resolutions better. (explain)

Radeon HD 3850 X2 21376 Mpixels/sec
Radeon RX 560 18800 Mpixels/sec
Difference: 2576 (14%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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Radeon HD 3850 X2

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 3850 X2 Radeon RX 560
Manufacturer AMD AMD
Year Apr 4, 2008 May 2017
Code Name RV670 PRO Baffin
Memory 512 MB (x2) 4096 MB
Core Speed 668 MHz (x2) 1175 MHz
Memory Speed 1656 MHz (x2) 28000 MHz
Power (Max TDP) (Unknown) watts 80 watts
Bandwidth 105984 MB/sec 114688 MB/sec
Texel Rate 21376 Mtexels/sec 75200 Mtexels/sec
Pixel Rate 21376 Mpixels/sec 18800 Mpixels/sec
Unified Shaders 320(64x5) (x2) 1024
Texture Mapping Units 16 (x2) 64
Render Output Units 16 (x2) 16
Bus Type GDDR3 GDDR5
Bus Width 256-bit (x2) 128-bit
Fab Process 55 nm 14 nm
Transistors (Unknown) million 3000 million
Bus PCIe 2.0 x16/(internal PCIe 1.1 x16) PCIe 3.0 x16
DirectX Version DirectX 10.1 DirectX 12.0
OpenGL Version OpenGL 3.0 OpenGL 4.6

Memory Bandwidth: Bandwidth is the largest amount of data (counted in megabytes per second) that can be transported past the external memory interface within a second. It is calculated by multiplying the bus width by the speed of its memory. If it uses DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This number is worked out by multiplying the total texture units by the core clock speed of the chip. The higher the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 3850 X2

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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