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Radeon HD 4870 1GB vs Radeon RX 560

Intro

The Radeon HD 4870 1GB uses a 55 nm design. AMD has set the core speed at 750 MHz. The GDDR5 RAM works at a frequency of 900 MHz on this specific card. It features 800(160x5) SPUs along with 40 Texture Address Units and 16 Rasterization Operator Units.

Compare those specs to the Radeon RX 560, which comes with a clock frequency of 1175 MHz and a GDDR5 memory frequency of 7000 MHz. It also uses a 128-bit bus, and makes use of a 14 nm design. It 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 RX 560 80 Watts
Radeon HD 4870 1GB 150 Watts
Difference: 70 Watts (88%)

Memory Bandwidth

The Radeon HD 4870 1GB, in theory, should be just a bit faster than the Radeon RX 560 overall. (explain)

Radeon HD 4870 1GB 115200 MB/sec
Radeon RX 560 114688 MB/sec
Difference: 512 (0%)

Texel Rate

The Radeon RX 560 is a lot (more or less 151%) faster with regards to texture filtering than the Radeon HD 4870 1GB. (explain)

Radeon RX 560 75200 Mtexels/sec
Radeon HD 4870 1GB 30000 Mtexels/sec
Difference: 45200 (151%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon RX 560 is superior to the Radeon HD 4870 1GB, by far. (explain)

Radeon RX 560 18800 Mpixels/sec
Radeon HD 4870 1GB 12000 Mpixels/sec
Difference: 6800 (57%)

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 4870 1GB

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 4870 1GB Radeon RX 560
Manufacturer AMD AMD
Year Jun 25, 2008 May 2017
Code Name RV770 XT Baffin
Memory 1024 MB 4096 MB
Core Speed 750 MHz 1175 MHz
Memory Speed 3600 MHz 28000 MHz
Power (Max TDP) 150 watts 80 watts
Bandwidth 115200 MB/sec 114688 MB/sec
Texel Rate 30000 Mtexels/sec 75200 Mtexels/sec
Pixel Rate 12000 Mpixels/sec 18800 Mpixels/sec
Unified Shaders 800(160x5) 1024
Texture Mapping Units 40 64
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
Fab Process 55 nm 14 nm
Transistors 956 million 3000 million
Bus PCIe 2.0 x16 PCIe 3.0 x16
DirectX Version DirectX 10.1 DirectX 12.0
OpenGL Version OpenGL 3.0 OpenGL 4.6

Memory Bandwidth: Memory bandwidth is the max amount of data (in units of MB per second) that can be transferred across the external memory interface within a second. The number is worked out by multiplying the bus width by its memory speed. If the card has DDR RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per second. This number is worked out by multiplying the total texture units 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 in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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Radeon HD 4870 1GB

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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