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Radeon HD 7750 vs Radeon R9 380 2G

Intro

The Radeon HD 7750 makes use of a 28 nm design. AMD has set the core frequency at 800 MHz. The GDDR5 RAM runs at a speed of 1125 MHz on this particular card. It features 512 SPUs as well as 32 Texture Address Units and 16 Rasterization Operator Units.

Compare those specifications to the Radeon R9 380 2G, which comes with a clock speed of 970 MHz and a GDDR5 memory speed of 1425 MHz. It also uses 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 2G 8850 points
Radeon HD 7750 2240 points
Difference: 6610 (295%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7750 55 Watts
Radeon R9 380 2G 190 Watts
Difference: 135 Watts (245%)

Memory Bandwidth

The Radeon R9 380 2G, in theory, should perform a lot faster than the Radeon HD 7750 overall. (explain)

Radeon R9 380 2G 182400 MB/sec
Radeon HD 7750 72000 MB/sec
Difference: 110400 (153%)

Texel Rate

The Radeon R9 380 2G is much (more or less 324%) faster with regards to texture filtering than the Radeon HD 7750. (explain)

Radeon R9 380 2G 108640 Mtexels/sec
Radeon HD 7750 25600 Mtexels/sec
Difference: 83040 (324%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon R9 380 2G is superior to the Radeon HD 7750, by far. (explain)

Radeon R9 380 2G 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

Check prices at:

Radeon R9 380 2G

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 2G
Manufacturer AMD AMD
Year February 2012 June 2015
Code Name Cape Verde Pro Antigua PRO
Memory 1024 MB 2048 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 max amount of data (measured in megabytes per second) that can be moved across the external memory interface in one second. It's worked out by multiplying the card's interface width by its memory speed. If the card has DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This number is worked out by multiplying the total amount of texture units of the card by the core clock 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 its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Render Output Units 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 also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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Radeon HD 7750

Amazon.com

Check prices at:

Radeon R9 380 2G

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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