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Radeon HD 5830 vs Radeon RX 460

Intro

The Radeon HD 5830 comes with a clock speed of 800 MHz and a GDDR5 memory speed of 1000 MHz. It also features a 256-bit bus, and makes use of a 40 nm design. It is made up of 1120(224x5) SPUs, 56 TAUs, and 16 ROPs.

Compare those specs to the Radeon RX 460, which features GPU core speed of 1090 MHz, and 4096 MB of GDDR5 memory running at 1750 MHz through a 128-bit bus. It also is made up of 896 SPUs, 56 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 460 75 Watts
Radeon HD 5830 175 Watts
Difference: 100 Watts (133%)

Memory Bandwidth

In theory, the Radeon HD 5830 should be a little bit faster than the Radeon RX 460 overall. (explain)

Radeon HD 5830 128000 MB/sec
Radeon RX 460 112000 MB/sec
Difference: 16000 (14%)

Texel Rate

The Radeon RX 460 is a lot (more or less 36%) more effective at anisotropic filtering than the Radeon HD 5830. (explain)

Radeon RX 460 61040 Mtexels/sec
Radeon HD 5830 44800 Mtexels/sec
Difference: 16240 (36%)

Pixel Rate

The Radeon RX 460 will be quite a bit (about 36%) more effective at FSAA than the Radeon HD 5830, and also should be capable of handling higher resolutions better. (explain)

Radeon RX 460 17440 Mpixels/sec
Radeon HD 5830 12800 Mpixels/sec
Difference: 4640 (36%)

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 5830

Amazon.com

Radeon RX 460

Amazon.com

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 5830 Radeon RX 460
Manufacturer AMD AMD
Year February 25, 2010 August 2016
Code Name Cypress LE Polaris 11
Memory 1024 MB 4096 MB
Core Speed 800 MHz 1090 MHz
Memory Speed 4000 MHz 7000 MHz
Power (Max TDP) 175 watts 75 watts
Bandwidth 128000 MB/sec 112000 MB/sec
Texel Rate 44800 Mtexels/sec 61040 Mtexels/sec
Pixel Rate 12800 Mpixels/sec 17440 Mpixels/sec
Unified Shaders 1120(224x5) 896
Texture Mapping Units 56 56
Render Output Units 16 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 max amount of information (in units of megabytes per second) that can be moved over the external memory interface within a second. It is worked out by multiplying the card's interface width by its memory speed. If it uses DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card 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 ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

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