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Radeon HD 6450 (OEM) vs Radeon RX 5500

Intro

The Radeon HD 6450 (OEM) features clock speeds of 625 MHz on the GPU, and 800 MHz on the 512 MB of GDDR3 RAM. It features 160 SPUs as well as 8 TAUs and 4 Rasterization Operator Units.

Compare that to the Radeon RX 5500, which comes with a GPU core clock speed of 1670 MHz, and 4096 MB of GDDR6 memory running at 1750 MHz through a 128-bit bus. It also is made up of 1408 Stream Processors, 88 TAUs, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6450 (OEM) 31 Watts
Radeon RX 5500 150 Watts
Difference: 119 Watts (384%)

Memory Bandwidth

As far as performance goes, the Radeon RX 5500 should theoretically be a lot better than the Radeon HD 6450 (OEM) overall. (explain)

Radeon RX 5500 229376 MB/sec
Radeon HD 6450 (OEM) 12800 MB/sec
Difference: 216576 (1692%)

Texel Rate

The Radeon RX 5500 is a lot (approximately 2839%) faster with regards to texture filtering than the Radeon HD 6450 (OEM). (explain)

Radeon RX 5500 146960 Mtexels/sec
Radeon HD 6450 (OEM) 5000 Mtexels/sec
Difference: 141960 (2839%)

Pixel Rate

The Radeon RX 5500 will be quite a bit (approximately 2038%) more effective at AA than the Radeon HD 6450 (OEM), and will be capable of handling higher screen resolutions while still performing well. (explain)

Radeon RX 5500 53440 Mpixels/sec
Radeon HD 6450 (OEM) 2500 Mpixels/sec
Difference: 50940 (2038%)

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 6450 (OEM)

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 HD 6450 (OEM) Radeon RX 5500
Manufacturer AMD AMD
Year February 2011 October 2019
Code Name Caicos Navi 14 XT
Memory 512 MB 4096 MB
Core Speed 625 MHz 1670 MHz
Memory Speed 1600 MHz 3500 GB/s
Power (Max TDP) 31 watts 150 watts
Bandwidth 12800 MB/sec 229376 MB/sec
Texel Rate 5000 Mtexels/sec 146960 Mtexels/sec
Pixel Rate 2500 Mpixels/sec 53440 Mpixels/sec
Unified Shaders 160 1408
Texture Mapping Units 8 88
Render Output Units 4 32
Bus Type GDDR3 GDDR6
Bus Width 64-bit 128-bit
Fab Process 40 nm 7 nm
Transistors 370 million 6400 million
Bus PCIe 2.1 x16 PCIe 4.0 ×16
DirectX Version DirectX 11 DirectX 12
OpenGL Version OpenGL 4.1 OpenGL 4.6

Memory Bandwidth: Memory bandwidth is the largest amount of information (measured in MB per second) that can be transferred over the external memory interface within a second. The number is calculated by multiplying the bus width by its memory speed. If it uses DDR memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better 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 in one second. This figure is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

Radeon HD 6450 (OEM)

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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