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Radeon HD 7750 vs Radeon RX 590

Intro

The Radeon HD 7750 features a core clock frequency of 800 MHz and a GDDR5 memory speed of 1125 MHz. It also makes use of a 128-bit bus, and makes use of a 28 nm design. It features 512 SPUs, 32 Texture Address Units, and 16 ROPs.

Compare all of that to the Radeon RX 590, which uses a 12 nm design. AMD has set the core frequency at 1469 MHz. The GDDR5 memory is set to run at a frequency of 2000 MHz on this particular card. It features 2304 SPUs along with 144 TAUs and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7750 55 Watts
Radeon RX 590 175 Watts
Difference: 120 Watts (218%)

Memory Bandwidth

The Radeon RX 590, in theory, should perform a lot faster than the Radeon HD 7750 overall. (explain)

Radeon RX 590 262144 MB/sec
Radeon HD 7750 72000 MB/sec
Difference: 190144 (264%)

Texel Rate

The Radeon RX 590 should be a lot (about 726%) faster with regards to texture filtering than the Radeon HD 7750. (explain)

Radeon RX 590 211536 Mtexels/sec
Radeon HD 7750 25600 Mtexels/sec
Difference: 185936 (726%)

Pixel Rate

The Radeon RX 590 is much (about 267%) more effective at FSAA than the Radeon HD 7750, and should be able to handle higher screen resolutions more effectively. (explain)

Radeon RX 590 47008 Mpixels/sec
Radeon HD 7750 12800 Mpixels/sec
Difference: 34208 (267%)

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 7750

Amazon.com

Check prices at:

Radeon RX 590

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 7750 Radeon RX 590
Manufacturer AMD AMD
Year February 2012 November 2018
Code Name Cape Verde Pro Polaris 30
Memory 1024 MB 8192 MB
Core Speed 800 MHz 1469 MHz
Memory Speed 4500 MHz 8000 MHz
Power (Max TDP) 55 watts 175 watts
Bandwidth 72000 MB/sec 262144 MB/sec
Texel Rate 25600 Mtexels/sec 211536 Mtexels/sec
Pixel Rate 12800 Mpixels/sec 47008 Mpixels/sec
Unified Shaders 512 2304
Texture Mapping Units 32 144
Render Output Units 16 32
Bus Type GDDR5 GDDR5
Bus Width 128-bit 256-bit
Fab Process 28 nm 12 nm
Transistors 1500 million 5700 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.1 DirectX 12.0
OpenGL Version OpenGL 4.2 OpenGL 4.5

Memory Bandwidth: Bandwidth is the maximum amount of data (measured in megabytes per second) that can be moved past the external memory interface in one second. It's worked out by multiplying the interface width by its memory clock speed. In the case of DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This figure is calculated by multiplying the total texture units by the core speed of the chip. The better this number, the better the graphics card will be at handling 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 the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on many 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 7750

Amazon.com

Check prices at:

Radeon RX 590

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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