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Radeon HD 4870 512MB vs Radeon R9 Fury X


The Radeon HD 4870 512MB features core speeds of 750 MHz on the GPU, and 900 MHz on the 512 MB of GDDR5 RAM. It features 800(160x5) SPUs along with 40 Texture Address Units 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 frequency of 500 MHz on this specific model. It features 4096 SPUs as well as 256 TAUs and 64 ROPs.

Display Graphs

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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

In theory, the Radeon R9 Fury X should be 344% quicker than the Radeon HD 4870 512MB overall, because of its greater data rate. (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 should be a lot (about 796%) faster with regards to 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

The Radeon R9 Fury X should be much (about 460%) better at FSAA than the Radeon HD 4870 512MB, and able to handle higher screen resolutions more effectively. (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: Bandwidth is the maximum amount of data (in units of MB per second) that can be transferred over the external memory interface within a second. It's worked out by multiplying the card's bus width by its memory clock speed. If the card has DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This is calculated by multiplying the total amount of texture units by the core speed of the chip. The better 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 maximum number of pixels that the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units 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 is also dependant on many other factors, especially the memory bandwidth - the lower the 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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