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Radeon HD 6750 vs Radeon R7 250

Intro

The Radeon HD 6750 has core speeds of 725 MHz on the GPU, and 1000 MHz on the 512 MB of GDDR5 RAM. It features 720 SPUs along with 36 Texture Address Units and 16 Rasterization Operator Units.

Compare that to the Radeon R7 250, which comes with clock speeds of 1000 MHz on the GPU, and 1150 MHz on the 1024 MB of GDDR5 memory. It features 384 SPUs as well as 24 TAUs and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 250 65 Watts
Radeon HD 6750 86 Watts
Difference: 21 Watts (32%)

Memory Bandwidth

The Radeon R7 250 should theoretically perform a little bit faster than the Radeon HD 6750 in general. (explain)

Radeon R7 250 73600 MB/sec
Radeon HD 6750 64000 MB/sec
Difference: 9600 (15%)

Texel Rate

The Radeon HD 6750 will be just a bit (more or less 9%) faster with regards to AF than the Radeon R7 250. (explain)

Radeon HD 6750 26100 Mtexels/sec
Radeon R7 250 24000 Mtexels/sec
Difference: 2100 (9%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon HD 6750 is superior to the Radeon R7 250, and very much so. (explain)

Radeon HD 6750 11600 Mpixels/sec
Radeon R7 250 8000 Mpixels/sec
Difference: 3600 (45%)

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

Amazon.com

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Radeon R7 250

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 Radeon R7 250
Manufacturer AMD AMD
Year January 2011 October 2013
Code Name Juniper Pro Oland XT
Memory 512 MB 1024 MB
Core Speed 725 MHz 1000 MHz
Memory Speed 4000 MHz 4600 MHz
Power (Max TDP) 86 watts 65 watts
Bandwidth 64000 MB/sec 73600 MB/sec
Texel Rate 26100 Mtexels/sec 24000 Mtexels/sec
Pixel Rate 11600 Mpixels/sec 8000 Mpixels/sec
Unified Shaders 720 384
Texture Mapping Units 36 24
Render Output Units 16 8
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 1040 million 1040 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.2
OpenGL Version OpenGL 4.0 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of information (in units of megabytes per second) that can be transferred across the external memory interface within a second. It's worked out by multiplying the card's interface width by its memory speed. If it uses DDR memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's 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 number of texture map elements (texels) that are processed in one second. This figure is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The higher the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Render Output Units by the the card's clock speed. 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 fill rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

Radeon HD 6750

Amazon.com

Check prices at:

Radeon R7 250

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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