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Radeon HD 6750 1GB vs Radeon R9 M280X

Intro

The Radeon HD 6750 1GB features clock speeds of 725 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 RAM. It features 720 SPUs along with 36 TAUs and 16 Rasterization Operator Units.

Compare all of that to the Radeon R9 M280X, which features clock speeds of 900 MHz on the GPU, and 1375 MHz on the 4096 MB of GDDR5 RAM. It features 896 SPUs as well as 56 Texture Address Units and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M280X 75 Watts
Radeon HD 6750 1GB 86 Watts
Difference: 11 Watts (15%)

Memory Bandwidth

Theoretically speaking, the Radeon R9 M280X will be 38% quicker than the Radeon HD 6750 1GB overall, because of its higher bandwidth. (explain)

Radeon R9 M280X 88000 MB/sec
Radeon HD 6750 1GB 64000 MB/sec
Difference: 24000 (38%)

Texel Rate

The Radeon R9 M280X is a lot (about 93%) faster with regards to anisotropic filtering than the Radeon HD 6750 1GB. (explain)

Radeon R9 M280X 50400 Mtexels/sec
Radeon HD 6750 1GB 26100 Mtexels/sec
Difference: 24300 (93%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon R9 M280X is superior to the Radeon HD 6750 1GB, by a large margin. (explain)

Radeon R9 M280X 14400 Mpixels/sec
Radeon HD 6750 1GB 11600 Mpixels/sec
Difference: 2800 (24%)

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 6750 1GB

Amazon.com

Check prices at:

Radeon R9 M280X

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 6750 1GB Radeon R9 M280X
Manufacturer AMD AMD
Year January 2011 Feb 9 2015
Code Name Juniper Pro Saturn XT
Memory 1024 MB 4096 MB
Core Speed 725 MHz 900 MHz
Memory Speed 4000 MHz 5500 MHz
Power (Max TDP) 86 watts 75 watts
Bandwidth 64000 MB/sec 88000 MB/sec
Texel Rate 26100 Mtexels/sec 50400 Mtexels/sec
Pixel Rate 11600 Mpixels/sec 14400 Mpixels/sec
Unified Shaders 720 896
Texture Mapping Units 36 56
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 1040 million (Unknown) million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.2
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the largest amount of data (in units of MB per second) that can be moved across the external memory interface in a second. It is worked out by multiplying the interface width by the speed of its memory. In the case of DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster 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 can be processed per second. This number is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The better this number, 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 maximum number of pixels the video card can possibly write to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

Radeon HD 6750 1GB

Amazon.com

Check prices at:

Radeon R9 M280X

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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