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Radeon R9 270X vs Radeon RX 5500

Intro

The Radeon R9 270X makes use of a 28 nm design. AMD has clocked the core speed at 1000 MHz. The GDDR5 RAM works at a frequency of 1400 MHz on this card. It features 1280 SPUs as well as 80 TAUs and 32 ROPs.

Compare those specs to the Radeon RX 5500, which features GPU clock speed of 1670 MHz, and 4096 MB of GDDR6 RAM running at 1750 MHz through a 128-bit bus. It also is comprised of 1408 SPUs, 88 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5500 150 Watts
Radeon R9 270X 180 Watts
Difference: 30 Watts (20%)

Memory Bandwidth

The Radeon RX 5500 should in theory be a lot faster than the Radeon R9 270X in general. (explain)

Radeon RX 5500 229376 MB/sec
Radeon R9 270X 179200 MB/sec
Difference: 50176 (28%)

Texel Rate

The Radeon RX 5500 is much (approximately 84%) faster with regards to texture filtering than the Radeon R9 270X. (explain)

Radeon RX 5500 146960 Mtexels/sec
Radeon R9 270X 80000 Mtexels/sec
Difference: 66960 (84%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon RX 5500 is superior to the Radeon R9 270X, and very much so. (explain)

Radeon RX 5500 53440 Mpixels/sec
Radeon R9 270X 32000 Mpixels/sec
Difference: 21440 (67%)

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 R9 270X

Amazon.com

Check prices at:

Radeon RX 5500

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 R9 270X Radeon RX 5500
Manufacturer AMD AMD
Year October 2013 October 2019
Code Name Curacao XT Navi 14 XT
Memory 2048 MB 4096 MB
Core Speed 1000 MHz 1670 MHz
Memory Speed 5600 MHz 3500 GB/s
Power (Max TDP) 180 watts 150 watts
Bandwidth 179200 MB/sec 229376 MB/sec
Texel Rate 80000 Mtexels/sec 146960 Mtexels/sec
Pixel Rate 32000 Mpixels/sec 53440 Mpixels/sec
Unified Shaders 1280 1408
Texture Mapping Units 80 88
Render Output Units 32 32
Bus Type GDDR5 GDDR6
Bus Width 256-bit 128-bit
Fab Process 28 nm 7 nm
Transistors 2800 million 6400 million
Bus PCIe 3.0 x16 PCIe 4.0 ×16
DirectX Version DirectX 11.2 DirectX 12
OpenGL Version OpenGL 4.3 OpenGL 4.6

Memory Bandwidth: Bandwidth is the max amount of data (in units of MB per second) that can be transferred across the external memory interface within a second. It's worked out by multiplying the card's bus width by its memory speed. In the case of DDR RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, 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 are processed per second. This number is calculated by multiplying the total amount of texture units by the core clock 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 a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated 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 filling the screen with pixels (the image). The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

Radeon R9 270X

Amazon.com

Check prices at:

Radeon RX 5500

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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