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Radeon HD 7750 vs Radeon R9 380 4G

Intro

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

Compare those specs to the Radeon R9 380 4G, which comes with a clock frequency of 970 MHz and a GDDR5 memory frequency of 1425 MHz. It also makes use of a 256-bit memory bus, and makes use of a 28 nm design. It features 1792 SPUs, 112 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 R9 380 4G 8837 points
Radeon HD 7750 2240 points
Difference: 6597 (295%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7750 55 Watts
Radeon R9 380 4G 190 Watts
Difference: 135 Watts (245%)

Memory Bandwidth

Performance-wise, the Radeon R9 380 4G should theoretically be much better than the Radeon HD 7750 overall. (explain)

Radeon R9 380 4G 182400 MB/sec
Radeon HD 7750 72000 MB/sec
Difference: 110400 (153%)

Texel Rate

The Radeon R9 380 4G will be a lot (more or less 324%) more effective at texture filtering than the Radeon HD 7750. (explain)

Radeon R9 380 4G 108640 Mtexels/sec
Radeon HD 7750 25600 Mtexels/sec
Difference: 83040 (324%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon R9 380 4G is a better choice, and very much so. (explain)

Radeon R9 380 4G 31040 Mpixels/sec
Radeon HD 7750 12800 Mpixels/sec
Difference: 18240 (143%)

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

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Radeon R9 380 4G

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 R9 380 4G
Manufacturer AMD AMD
Year February 2012 June 2015
Code Name Cape Verde Pro Antigua PRO
Memory 1024 MB 4096 MB
Core Speed 800 MHz 970 MHz
Memory Speed 4500 MHz 5700 MHz
Power (Max TDP) 55 watts 190 watts
Bandwidth 72000 MB/sec 182400 MB/sec
Texel Rate 25600 Mtexels/sec 108640 Mtexels/sec
Pixel Rate 12800 Mpixels/sec 31040 Mpixels/sec
Unified Shaders 512 1792
Texture Mapping Units 32 112
Render Output Units 16 32
Bus Type GDDR5 GDDR5
Bus Width 128-bit 256-bit
Fab Process 28 nm 28 nm
Transistors 1500 million 5000 million
Bus PCIe 3.0 x16 PCIe 3.0 ×16
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 (counted in MB per second) that can be transferred past the external memory interface within a second. The number is calculated by multiplying the card's interface width by the speed of its memory. In the case of DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's 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 amount of texture map elements (texels) that are applied in one second. This number is calculated by multiplying the total number of texture units by the core clock speed of the chip. The better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the memory 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 R9 380 4G

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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