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Radeon HD 5830 vs Radeon RX 460


Intro

The Radeon HD 5830 has clock speeds of 800 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 RAM. It features 1120(224x5) SPUs as well as 56 TAUs and 16 ROPs.

Compare that to the Radeon RX 460, which has a clock speed of 1090 MHz and a GDDR5 memory speed of 1750 MHz. It also makes use of a 128-bit bus, and makes use of a 14 nm design. It is made up of 896 SPUs, 56 Texture Address Units, and 16 Raster Operation Units.

Display Graphs

Hide Graphs

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

As far as performance goes, the Radeon HD 5830 should in theory be a bit superior to 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 will be quite a bit (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 should be a lot (approximately 36%) more effective at full screen anti-aliasing than the Radeon HD 5830, and also will be able to handle higher resolutions while still performing well. (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

Radeon HD 5830

Radeon RX 460

Specifications

Display Specifications

Hide Specifications

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: Bandwidth is the largest amount of data (measured in megabytes per second) that can be transported across the external memory interface within a second. It is calculated by multiplying the interface width by its memory speed. In the case of DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This number is calculated by multiplying the total number of 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 applied in a second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units 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 of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Radeon HD 5830

Radeon RX 460

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