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Radeon HD 7790 vs Radeon RX 5600 XT

Intro

The Radeon HD 7790 features a clock frequency of 1000 MHz and a GDDR5 memory frequency of 1500 MHz. It also makes use of a 128-bit bus, and makes use of a 28 nm design. It is comprised of 896 SPUs, 56 Texture Address Units, and 16 ROPs.

Compare all that to the Radeon RX 5600 XT, which has clock speeds of 1375 MHz on the GPU, and 1500 MHz on the 6144 MB of GDDR6 memory. It features 2304 SPUs along with 144 TAUs and 64 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7790 85 Watts
Radeon RX 5600 XT 160 Watts
Difference: 75 Watts (88%)

Memory Bandwidth

Performance-wise, the Radeon RX 5600 XT should in theory be quite a bit better than the Radeon HD 7790 in general. (explain)

Radeon RX 5600 XT 344064 MB/sec
Radeon HD 7790 96000 MB/sec
Difference: 248064 (258%)

Texel Rate

The Radeon RX 5600 XT should be a lot (approximately 254%) faster with regards to AF than the Radeon HD 7790. (explain)

Radeon RX 5600 XT 198000 Mtexels/sec
Radeon HD 7790 56000 Mtexels/sec
Difference: 142000 (254%)

Pixel Rate

The Radeon RX 5600 XT will be a lot (approximately 450%) better at anti-aliasing than the Radeon HD 7790, and also will be capable of handling higher screen resolutions better. (explain)

Radeon RX 5600 XT 88000 Mpixels/sec
Radeon HD 7790 16000 Mpixels/sec
Difference: 72000 (450%)

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 7790

Amazon.com

Check prices at:

Radeon RX 5600 XT

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 7790 Radeon RX 5600 XT
Manufacturer AMD AMD
Year March 2013 January 2020
Code Name Bonaire XT Navi 10 XLE
Memory 1024 MB 6144 MB
Core Speed 1000 MHz 1375 MHz
Memory Speed 6000 MHz 3000 GB/s
Power (Max TDP) 85 watts 160 watts
Bandwidth 96000 MB/sec 344064 MB/sec
Texel Rate 56000 Mtexels/sec 198000 Mtexels/sec
Pixel Rate 16000 Mpixels/sec 88000 Mpixels/sec
Unified Shaders 896 2304
Texture Mapping Units 56 144
Render Output Units 16 64
Bus Type GDDR5 GDDR6
Bus Width 128-bit 192-bit
Fab Process 28 nm 7 nm
Transistors 2080 million 10300 million
Bus PCIe 3.0 x16 PCIe 4.0 ×16
DirectX Version DirectX 11.1 DirectX 12
OpenGL Version OpenGL 4.3 OpenGL 4.6

Memory Bandwidth: Bandwidth is the max amount of information (counted in megabytes per second) that can be moved across the external memory interface in one second. It is worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR memory, it should be multiplied by 2 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 AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed in one second. This is worked out by multiplying the total texture units of the card by the core speed of the chip. The higher the texel rate, the better the graphics 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 most pixels the video card could possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs 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 fill rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

Radeon HD 7790

Amazon.com

Check prices at:

Radeon RX 5600 XT

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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