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Radeon HD 7750 vs Radeon RX 480

Intro

The Radeon HD 7750 comes with core 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 specs to the Radeon RX 480, which comes with GPU core speed of 1120 MHz, and 8192 MB of GDDR5 RAM running at 2000 MHz through a 256-bit bus. It also features 2304 SPUs, 144 TAUs, and 32 Raster Operation 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

The Radeon RX 480 should in theory perform a lot faster than the Radeon HD 7750 overall. (explain)

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

Texel Rate

The Radeon RX 480 will be a lot (approximately 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

The Radeon RX 480 will be quite a bit (more or less 180%) more effective at FSAA than the Radeon HD 7750, and should be capable of handling higher screen resolutions without losing too much performance. (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 maximum amount of data (counted in megabytes per second) that can be transferred over the external memory interface in one second. The number is worked out by multiplying the bus width by its memory clock speed. If it uses DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's 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 number of texture map elements (texels) that can be applied per second. This figure is worked out by multiplying the total texture units by the core clock speed of the chip. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

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