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Radeon HD 7750 vs Radeon R9 380 2G

Intro

The Radeon HD 7750 comes with a GPU clock speed of 800 MHz, and the 1024 MB of GDDR5 memory is set to run at 1125 MHz through a 128-bit bus. It also features 512 Stream Processors, 32 TAUs, and 16 Raster Operation Units.

Compare all of that to the Radeon R9 380 2G, which comes with core clock speeds of 970 MHz on the GPU, and 1425 MHz on the 2048 MB of GDDR5 RAM. It features 1792 SPUs along with 112 Texture Address Units and 32 ROPs.

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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

Theoretically speaking, the Radeon R9 380 2G will be 153% faster than the Radeon HD 7750 in general, due to its greater data rate. (explain)

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

Texel Rate

The Radeon R9 380 2G will be quite a bit (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

The Radeon R9 380 2G should be much (approximately 143%) faster with regards to AA than the Radeon HD 7750, and also will be able to handle higher resolutions without slowing down too much. (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: Memory bandwidth is the largest amount of information (in units of megabytes per second) that can be transported over the external memory interface in a second. It's worked out by multiplying the card's interface width by its memory speed. In the case of DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

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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