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Radeon HD 4870 512MB vs Radeon R9 Fury X


The Radeon HD 4870 512MB uses a 55 nm design. AMD has clocked the core frequency at 750 MHz. The GDDR5 RAM is set to run at a speed of 900 MHz on this model. It features 800(160x5) SPUs as well as 40 TAUs and 16 ROPs.

Compare all of that to the Radeon R9 Fury X, which makes use of a 28 nm design. AMD has set the core speed at 1050 MHz. The HBM memory works at a speed of 500 MHz on this specific model. It features 4096 SPUs along with 256 TAUs and 64 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4870 512MB 150 Watts
Radeon R9 Fury X 275 Watts
Difference: 125 Watts (83%)

Memory Bandwidth

The Radeon R9 Fury X should in theory perform much faster than the Radeon HD 4870 512MB in general. (explain)

Radeon R9 Fury X 512000 MB/sec
Radeon HD 4870 512MB 115200 MB/sec
Difference: 396800 (344%)

Texel Rate

The Radeon R9 Fury X is much (about 796%) better at texture filtering than the Radeon HD 4870 512MB. (explain)

Radeon R9 Fury X 268800 Mtexels/sec
Radeon HD 4870 512MB 30000 Mtexels/sec
Difference: 238800 (796%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon R9 Fury X is the winner, by a large margin. (explain)

Radeon R9 Fury X 67200 Mpixels/sec
Radeon HD 4870 512MB 12000 Mpixels/sec
Difference: 55200 (460%)

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

Radeon HD 4870 512MB

Radeon R9 Fury X


Display Specifications

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Model Radeon HD 4870 512MB Radeon R9 Fury X
Manufacturer AMD AMD
Year Jun 25, 2008 June 2015
Code Name RV770 XT Fiji XT
Memory 512 MB 4096 MB
Core Speed 750 MHz 1050 MHz
Memory Speed 3600 MHz 500 MHz
Power (Max TDP) 150 watts 275 watts
Bandwidth 115200 MB/sec 512000 MB/sec
Texel Rate 30000 Mtexels/sec 268800 Mtexels/sec
Pixel Rate 12000 Mpixels/sec 67200 Mpixels/sec
Unified Shaders 800(160x5) 4096
Texture Mapping Units 40 256
Render Output Units 16 64
Bus Type GDDR5 HBM
Bus Width 256-bit 4096-bit
Fab Process 55 nm 28 nm
Transistors 956 million 8900 million
Bus PCIe 2.0 x16 PCIe 3.0
DirectX Version DirectX 10.1 DirectX 12
OpenGL Version OpenGL 3.0 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the maximum amount of information (counted in MB per second) that can be transported across the external memory interface within a second. It is calculated by multiplying the bus width by the speed of its memory. In the case of DDR memory, the result should be multiplied by 2 once 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 AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed in one second. This is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The better this number, the better the video card will be at 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 that the graphics chip could possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines 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 fill rate also depends 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 get to the max fill rate.

Radeon HD 4870 512MB

Radeon R9 Fury X


One Response to “Radeon HD 4870 512MB vs Radeon R9 Fury X”
Sharpshot64 says:

Lol its comical at how superior the Fury X is to old GPUs like the HD4870. I don't understand why AMD gets a bad rap. Their GPUs have improved so immensely that the games literally can't even demonstrate the vast performance gap. The Fury X is still held back by software. Just look at benchmarks of Doom Vulkan ultra. It outperforms GPUs like the GTX1070 still. Its comical that reviewers even try to compare GPUs with such performance gaps and try to say the GTX1070 is better than the Fury X or GTX980Ti.

The software itself is holding back hardware of this level

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