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GeForce GTX 750 vs Radeon HD 6770 1GB

Intro

The GeForce GTX 750 has a core clock frequency of 1020 MHz and a GDDR5 memory frequency of 1250 MHz. It also features a 128-bit bus, and makes use of a 28 nm design. It features 512 SPUs, 32 TAUs, and 16 ROPs.

Compare that to the Radeon HD 6770 1GB, which comes with a core clock frequency of 900 MHz and a GDDR5 memory speed of 1050 MHz. It also uses a 128-bit bus, and makes use of a 40 nm design. It is comprised of 800 SPUs, 40 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 6770 1GB 108 Watts
Difference: 53 Watts (96%)

Memory Bandwidth

In theory, the GeForce GTX 750 is 19% quicker than the Radeon HD 6770 1GB overall, due to its greater data rate. (explain)

GeForce GTX 750 80000 MB/sec
Radeon HD 6770 1GB 67200 MB/sec
Difference: 12800 (19%)

Texel Rate

The Radeon HD 6770 1GB should be a bit (approximately 10%) faster with regards to texture filtering than the GeForce GTX 750. (explain)

Radeon HD 6770 1GB 36000 Mtexels/sec
GeForce GTX 750 32640 Mtexels/sec
Difference: 3360 (10%)

Pixel Rate

The GeForce GTX 750 is just a bit (more or less 13%) faster with regards to anti-aliasing than the Radeon HD 6770 1GB, and also should be able to handle higher resolutions more effectively. (explain)

GeForce GTX 750 16320 Mpixels/sec
Radeon HD 6770 1GB 14400 Mpixels/sec
Difference: 1920 (13%)

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

Check prices at:

Radeon HD 6770 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.

Specifications

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Model GeForce GTX 750 Radeon HD 6770 1GB
Manufacturer nVidia AMD
Year February 2014 January 2011
Code Name GM107 Juniper XT
Memory 1024 MB 1024 MB
Core Speed 1020 MHz 900 MHz
Memory Speed 5000 MHz 4200 MHz
Power (Max TDP) 55 watts 108 watts
Bandwidth 80000 MB/sec 67200 MB/sec
Texel Rate 32640 Mtexels/sec 36000 Mtexels/sec
Pixel Rate 16320 Mpixels/sec 14400 Mpixels/sec
Unified Shaders 512 800
Texture Mapping Units 32 40
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: Memory bandwidth is the largest amount of data (counted in megabytes per second) that can be transported across the external memory interface in a second. It is calculated by multiplying the bus width by the speed of its memory. In the case of DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better 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 texture map elements (texels) that are processed in one second. This number is calculated 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 texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 750

Amazon.com

Check prices at:

Radeon HD 6770 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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