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Radeon HD 7750 vs Radeon RX 590

Intro

The Radeon HD 7750 has clock speeds of 800 MHz on the GPU, and 1125 MHz on the 1024 MB of GDDR5 memory. It features 512 SPUs as well as 32 Texture Address Units and 16 Rasterization Operator Units.

Compare those specifications to the Radeon RX 590, which makes use of a 12 nm design. AMD has set the core speed at 1469 MHz. The GDDR5 memory works at a speed of 2000 MHz on this particular card. It features 2304 SPUs as well as 144 Texture Address Units and 32 Rasterization Operator Units.

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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 should in theory 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 is much (about 726%) more effective at 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

If running with high levels of AA is important to you, then the Radeon RX 590 is superior to the Radeon HD 7750, by a large margin. (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 largest amount of data (measured in MB per second) that can be moved across the external memory interface within a second. It is worked out by multiplying the interface width by its memory speed. In the case of DDR type RAM, it must 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 anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum 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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