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Radeon HD 5850 vs Radeon RX 460
Intro
The Radeon HD 5850 comes with a clock frequency of 725 MHz and a GDDR5 memory speed of 1000 MHz. It also uses a 256-bit memory bus, and uses a 40 nm design. It is made up of 1440(288x5) SPUs, 72 Texture Address Units, and 32 ROPs.Compare all of that to the Radeon RX 460, which uses a 14 nm design. AMD has set the core speed at 1090 MHz. The GDDR5 RAM works at a speed of 1750 MHz on this specific model. It features 896 SPUs along with 56 TAUs and 16 Rasterization Operator Units.
Power Usage and Theoretical Benchmarks
Power Consumption (Max TDP)
| Radeon RX 460 |
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75 Watts |
| Radeon HD 5850 |
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151 Watts |
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Memory Bandwidth
Theoretically speaking, the Radeon HD 5850 should perform a little bit faster than the Radeon RX 460 in general. (explain)
| Radeon HD 5850 |
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128000 MB/sec |
| Radeon RX 460 |
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112000 MB/sec |
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Texel Rate
The Radeon RX 460 should be a small bit (approximately 17%) better at AF than the Radeon HD 5850. (explain)| Radeon RX 460 |
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61040 Mtexels/sec |
| Radeon HD 5850 |
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52200 Mtexels/sec |
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Pixel Rate
If running with high levels of AA is important to you, then the Radeon HD 5850 is a better choice, by far. (explain)| Radeon HD 5850 |
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23200 Mpixels/sec |
| Radeon RX 460 |
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17440 Mpixels/sec |
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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 5850
Radeon RX 460
Specifications
| Model | Radeon HD 5850 | Radeon RX 460 |
|---|---|---|
| Manufacturer | AMD | AMD |
| Year | September 30, 2009 | August 2016 |
| Code Name | Cypress PRO | Polaris 11 |
| Memory | 1024 MB | 4096 MB |
| Core Speed | 725 MHz | 1090 MHz |
| Memory Speed | 4000 MHz | 7000 MHz |
| Power (Max TDP) | 151 watts | 75 watts |
| Bandwidth | 128000 MB/sec | 112000 MB/sec |
| Texel Rate | 52200 Mtexels/sec | 61040 Mtexels/sec |
| Pixel Rate | 23200 Mpixels/sec | 17440 Mpixels/sec |
| Unified Shaders | 1440(288x5) | 896 |
| Texture Mapping Units | 72 | 56 |
| Render Output Units | 32 | 16 |
| Bus Type | GDDR5 | GDDR5 |
| Bus Width | 256-bit | 128-bit |
| Fab Process | 40 nm | 14 nm |
| Transistors | 2154 million | 3000 million |
| Bus | PCIe 2.1 x16 | PCIe 3.0 x16 |
| DirectX Version | DirectX 11 | DirectX 12.0 |
| OpenGL Version | OpenGL 3.2 | OpenGL 4.5 |
Memory Bandwidth: Memory bandwidth is the maximum amount of data (measured in megabytes per second) that can be transferred across the external memory interface in one second. It is calculated by multiplying the card's interface width by the speed of its memory. If the card has DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.
Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This is worked out by multiplying the total number of texture units by the core speed of the chip. The higher this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.
Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly write to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.
Radeon HD 5850
Radeon RX 460
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