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Radeon HD 4730 vs Radeon RX 460

Intro

The Radeon HD 4730 has a GPU core speed of 700 MHz, and the 512 MB of GDDR5 memory is set to run at 900 MHz through a 128-bit bus. It also is comprised of 640(128x5) SPUs, 32 TAUs, and 8 Raster Operation Units.

Compare those specs to the Radeon RX 460, which features GPU clock speed of 1090 MHz, and 4096 MB of GDDR5 RAM set to run at 1750 MHz through a 128-bit bus. It also features 896 Stream Processors, 56 Texture Address Units, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 460 75 Watts
Radeon HD 4730 140 Watts
Difference: 65 Watts (87%)

Memory Bandwidth

The Radeon RX 460 should theoretically perform much faster than the Radeon HD 4730 in general. (explain)

Radeon RX 460 112000 MB/sec
Radeon HD 4730 57600 MB/sec
Difference: 54400 (94%)

Texel Rate

The Radeon RX 460 should be much (about 173%) faster with regards to anisotropic filtering than the Radeon HD 4730. (explain)

Radeon RX 460 61040 Mtexels/sec
Radeon HD 4730 22400 Mtexels/sec
Difference: 38640 (173%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon RX 460 is the winner, by a large margin. (explain)

Radeon RX 460 17440 Mpixels/sec
Radeon HD 4730 5600 Mpixels/sec
Difference: 11840 (211%)

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 4730

Amazon.com

Check prices at:

Radeon RX 460

Amazon.com

Check prices at:

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 4730 Radeon RX 460
Manufacturer AMD AMD
Year Jun 8, 2009 August 2016
Code Name RV770/CE Polaris 11
Memory 512 MB 4096 MB
Core Speed 700 MHz 1090 MHz
Memory Speed 3600 MHz 7000 MHz
Power (Max TDP) 140 watts 75 watts
Bandwidth 57600 MB/sec 112000 MB/sec
Texel Rate 22400 Mtexels/sec 61040 Mtexels/sec
Pixel Rate 5600 Mpixels/sec 17440 Mpixels/sec
Unified Shaders 640(128x5) 896
Texture Mapping Units 32 56
Render Output Units 8 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 55 nm 14 nm
Transistors 956 million 3000 million
Bus PCIe 2.0 x16 PCIe 3.0 x16
DirectX Version DirectX 10.1 DirectX 12.0
OpenGL Version OpenGL 3.0 OpenGL 4.5

Memory Bandwidth: Bandwidth is the maximum amount of data (counted in MB per second) that can be moved past the external memory interface in one second. The number is worked out by multiplying the interface width by the speed of its memory. If the card has DDR RAM, it 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 anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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Radeon HD 4730

Amazon.com

Check prices at:

Radeon RX 460

Amazon.com

Check prices at:

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.

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