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GeForce GTX 750 vs Radeon HD 6770 1GB

Intro

The GeForce GTX 750 uses a 28 nm design. nVidia has set the core speed at 1020 MHz. The GDDR5 RAM runs at a frequency of 1250 MHz on this specific card. It features 512 SPUs as well as 32 TAUs and 16 Rasterization Operator Units.

Compare all of that to the Radeon HD 6770 1GB, which comes with core speeds of 900 MHz on the GPU, and 1050 MHz on the 1024 MB of GDDR5 memory. It features 800 SPUs as well as 40 TAUs 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

Performance-wise, the GeForce GTX 750 should in theory be a little bit better than the Radeon HD 6770 1GB overall. (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 just a bit (approximately 10%) more effective at anisotropic 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

If running with a high resolution is important to you, then the GeForce GTX 750 is the winner, but only just. (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 max amount of data (in units of megabytes per second) that can be moved past the external memory interface in a second. It's worked out by multiplying the bus width by the speed of its memory. If it uses DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, 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 amount of texture map elements (texels) that can be processed in one second. This figure is calculated by multiplying the total amount of texture units by the core speed of the chip. The higher the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max 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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