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Radeon RX 460 vs Radeon RX 5700

Intro

The Radeon RX 460 has a core clock speed of 1090 MHz and a GDDR5 memory speed of 1750 MHz. It also makes use of a 128-bit bus, and uses a 14 nm design. It features 896 SPUs, 56 TAUs, and 16 ROPs.

Compare that to the Radeon RX 5700, which makes use of a 7 nm design. AMD has clocked the core frequency at 1465 MHz. The GDDR6 memory works at a frequency of 14000 MHz on this specific model. It features 2304 SPUs as well as 144 TAUs and 64 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 460 75 Watts
Radeon RX 5700 180 Watts
Difference: 105 Watts (140%)

Memory Bandwidth

Performance-wise, the Radeon RX 5700 should in theory be a lot better than the Radeon RX 460 overall. (explain)

Radeon RX 5700 458752 MB/sec
Radeon RX 460 112000 MB/sec
Difference: 346752 (310%)

Texel Rate

The Radeon RX 5700 should be much (approximately 246%) faster with regards to texture filtering than the Radeon RX 460. (explain)

Radeon RX 5700 210960 Mtexels/sec
Radeon RX 460 61040 Mtexels/sec
Difference: 149920 (246%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon RX 5700 is superior to the Radeon RX 460, and very much so. (explain)

Radeon RX 5700 93760 Mpixels/sec
Radeon RX 460 17440 Mpixels/sec
Difference: 76320 (438%)

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 RX 460

Amazon.com

Check prices at:

Radeon RX 5700

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 RX 460 Radeon RX 5700
Manufacturer AMD AMD
Year August 2016 July 2019
Code Name Polaris 11 Navi 10
Memory 4096 MB 8096 MB
Core Speed 1090 MHz 1465 MHz
Memory Speed 7000 MHz 28000 GB/s
Power (Max TDP) 75 watts 180 watts
Bandwidth 112000 MB/sec 458752 MB/sec
Texel Rate 61040 Mtexels/sec 210960 Mtexels/sec
Pixel Rate 17440 Mpixels/sec 93760 Mpixels/sec
Unified Shaders 896 2304
Texture Mapping Units 56 144
Render Output Units 16 64
Bus Type GDDR5 GDDR6
Bus Width 128-bit 256-bit
Fab Process 14 nm 7 nm
Transistors 3000 million 10300 million
Bus PCIe 3.0 x16 PCIe 4.0 ×16
DirectX Version DirectX 12.0 DirectX 12
OpenGL Version OpenGL 4.5 OpenGL 4.6

Memory Bandwidth: Bandwidth is the largest amount of information (counted in megabytes per second) that can be transported over the external memory interface within a second. It's worked out by multiplying the interface width by the speed of its memory. In the case of DDR memory, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly write to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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Radeon RX 460

Amazon.com

Check prices at:

Radeon RX 5700

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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