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GeForce GTX 750 vs Radeon HD 6770

Intro

The GeForce GTX 750 makes use of a 28 nm design. nVidia has set the core speed at 1020 MHz. The GDDR5 RAM is set to run at a speed of 1250 MHz on this particular card. It features 512 SPUs as well as 32 Texture Address Units and 16 Rasterization Operator Units.

Compare those specifications to the Radeon HD 6770, which uses a 40 nm design. AMD has clocked the core speed at 900 MHz. The GDDR5 RAM works at a frequency of 1050 MHz on this specific model. It features 800 SPUs along with 40 Texture Address Units and 16 Rasterization Operator Units.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce GTX 750 3958 points
Radeon HD 6770 1520 points
Difference: 2438 (160%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 750 55 Watts
Radeon HD 6770 108 Watts
Difference: 53 Watts (96%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 750 should in theory be just a bit superior to the Radeon HD 6770 in general. (explain)

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

Texel Rate

The Radeon HD 6770 should be a bit (more or less 10%) faster with regards to anisotropic filtering than the GeForce GTX 750. (explain)

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

Pixel Rate

The GeForce GTX 750 will be just a bit (about 13%) more effective at full screen anti-aliasing than the Radeon HD 6770, and also should be able to handle higher resolutions while still performing well. (explain)

GeForce GTX 750 16320 Mpixels/sec
Radeon HD 6770 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

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
Manufacturer nVidia AMD
Year February 2014 January 2011
Code Name GM107 Juniper XT
Memory 1024 MB 512 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: Bandwidth is the largest amount of data (measured in MB per second) that can be transported across the external memory interface in a second. The number is calculated by multiplying the bus width by the speed of its memory. If it uses DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly record to the local memory in a 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 clock speed. ROPs (Raster Operations Pipelines - aka 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, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce GTX 750

Amazon.com

Check prices at:

Radeon HD 6770

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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