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Radeon HD 6750 vs Radeon R7 250X 2GB

Intro

The Radeon HD 6750 features core speeds of 725 MHz on the GPU, and 1000 MHz on the 512 MB of GDDR5 memory. It features 720 SPUs along with 36 TAUs and 16 ROPs.

Compare those specs to the Radeon R7 250X 2GB, which features a clock frequency of 1000 MHz and a GDDR5 memory frequency of 1125 MHz. It also features a 128-bit bus, and uses a 28 nm design. It features 640 SPUs, 40 Texture Address Units, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6750 86 Watts
Radeon R7 250X 2GB 95 Watts
Difference: 9 Watts (10%)

Memory Bandwidth

In theory, the Radeon R7 250X 2GB will be 13% faster than the Radeon HD 6750 in general, because of its greater bandwidth. (explain)

Radeon R7 250X 2GB 72000 MB/sec
Radeon HD 6750 64000 MB/sec
Difference: 8000 (13%)

Texel Rate

The Radeon R7 250X 2GB should be a lot (approximately 53%) faster with regards to anisotropic filtering than the Radeon HD 6750. (explain)

Radeon R7 250X 2GB 40000 Mtexels/sec
Radeon HD 6750 26100 Mtexels/sec
Difference: 13900 (53%)

Pixel Rate

The Radeon R7 250X 2GB should be quite a bit (about 38%) better at AA than the Radeon HD 6750, and will be able to handle higher screen resolutions better. (explain)

Radeon R7 250X 2GB 16000 Mpixels/sec
Radeon HD 6750 11600 Mpixels/sec
Difference: 4400 (38%)

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 250X 2GB

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 250X 2GB
Manufacturer AMD AMD
Year January 2011 February 2014
Code Name Juniper Pro Cape Verde XT
Memory 512 MB 2048 MB
Core Speed 725 MHz 1000 MHz
Memory Speed 4000 MHz 4500 MHz
Power (Max TDP) 86 watts 95 watts
Bandwidth 64000 MB/sec 72000 MB/sec
Texel Rate 26100 Mtexels/sec 40000 Mtexels/sec
Pixel Rate 11600 Mpixels/sec 16000 Mpixels/sec
Unified Shaders 720 640
Texture Mapping Units 36 40
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 1040 million 1500 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 largest amount of information (counted in megabytes per second) that can be moved across the external memory interface in one second. It is calculated by multiplying the card's bus width by its memory clock speed. If it uses DDR memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied per second. This figure is worked out by multiplying the total texture units of the card by the core 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 processed in a second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 6750

Amazon.com

Check prices at:

Radeon R7 250X 2GB

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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