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Radeon HD 7750 vs Radeon RX 480

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 along with 32 Texture Address Units and 16 Rasterization Operator Units.

Compare all of that to the Radeon RX 480, which has clock speeds of 1120 MHz on the GPU, and 2000 MHz on the 8192 MB of GDDR5 memory. It features 2304 SPUs as well as 144 Texture Address Units and 32 Rasterization Operator Units.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon RX 480 13349 points
Radeon HD 7750 2240 points
Difference: 11109 (496%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7750 55 Watts
Radeon RX 480 150 Watts
Difference: 95 Watts (173%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 480 will be 264% quicker than the Radeon HD 7750 in general, because of its higher data rate. (explain)

Radeon RX 480 262144 MB/sec
Radeon HD 7750 72000 MB/sec
Difference: 190144 (264%)

Texel Rate

The Radeon RX 480 should be much (more or less 530%) more effective at texture filtering than the Radeon HD 7750. (explain)

Radeon RX 480 161280 Mtexels/sec
Radeon HD 7750 25600 Mtexels/sec
Difference: 135680 (530%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon RX 480 is a better choice, by a large margin. (explain)

Radeon RX 480 35840 Mpixels/sec
Radeon HD 7750 12800 Mpixels/sec
Difference: 23040 (180%)

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 480

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 480
Manufacturer AMD AMD
Year February 2012 June 2016
Code Name Cape Verde Pro Polaris 10
Memory 1024 MB 8192 MB
Core Speed 800 MHz 1120 MHz
Memory Speed 4500 MHz 8000 MHz
Power (Max TDP) 55 watts 150 watts
Bandwidth 72000 MB/sec 262144 MB/sec
Texel Rate 25600 Mtexels/sec 161280 Mtexels/sec
Pixel Rate 12800 Mpixels/sec 35840 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 14 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 information (in units of MB per second) that can be moved past the external memory interface in one second. The number is worked out by multiplying the card's bus width by the speed of its memory. If the card has DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, 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 texture map elements (texels) that can be processed in one second. This number is calculated by multiplying the total 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 handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly record to the local memory in one 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 - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. 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

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Radeon HD 7750

Amazon.com

Check prices at:

Radeon RX 480

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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