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GeForce GTX 750 vs Radeon HD 6750 1GB

Intro

The GeForce GTX 750 comes with a core clock frequency of 1020 MHz and a GDDR5 memory frequency of 1250 MHz. It also makes use of a 128-bit memory bus, and uses a 28 nm design. It features 512 SPUs, 32 Texture Address Units, and 16 Raster Operation Units.

Compare those specs to the Radeon HD 6750 1GB, which uses a 40 nm design. AMD has clocked the core speed at 725 MHz. The GDDR5 RAM runs at a frequency of 1000 MHz on this model. It features 720 SPUs as well as 36 Texture Address Units and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 750 55 Watts
Radeon HD 6750 1GB 86 Watts
Difference: 31 Watts (56%)

Memory Bandwidth

The GeForce GTX 750 should theoretically be much faster than the Radeon HD 6750 1GB overall. (explain)

GeForce GTX 750 80000 MB/sec
Radeon HD 6750 1GB 64000 MB/sec
Difference: 16000 (25%)

Texel Rate

The GeForce GTX 750 is quite a bit (approximately 25%) faster with regards to texture filtering than the Radeon HD 6750 1GB. (explain)

GeForce GTX 750 32640 Mtexels/sec
Radeon HD 6750 1GB 26100 Mtexels/sec
Difference: 6540 (25%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 750 is a better choice, by far. (explain)

GeForce GTX 750 16320 Mpixels/sec
Radeon HD 6750 1GB 11600 Mpixels/sec
Difference: 4720 (41%)

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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GeForce GTX 750

Amazon.com

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Radeon HD 6750 1GB

Amazon.com

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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 GeForce GTX 750 Radeon HD 6750 1GB
Manufacturer nVidia AMD
Year February 2014 January 2011
Code Name GM107 Juniper Pro
Memory 1024 MB 1024 MB
Core Speed 1020 MHz 725 MHz
Memory Speed 5000 MHz 4000 MHz
Power (Max TDP) 55 watts 86 watts
Bandwidth 80000 MB/sec 64000 MB/sec
Texel Rate 32640 Mtexels/sec 26100 Mtexels/sec
Pixel Rate 16320 Mpixels/sec 11600 Mpixels/sec
Unified Shaders 512 720
Texture Mapping Units 32 36
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 40 nm
Transistors 1870 million 1040 million
Bus PCIe 3.0 x16 PCIe x16
DirectX Version DirectX 11.0 DirectX 11
OpenGL Version OpenGL 4.4 OpenGL 4.1

Memory Bandwidth: Bandwidth is the max amount of data (in units of megabytes per second) that can be moved across the external memory interface in a second. It's calculated by multiplying the card's bus width by the speed of its memory. If it uses DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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GeForce GTX 750

Amazon.com

Check prices at:

Radeon HD 6750 1GB

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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