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Geforce GTX 680 vs Radeon HD 5750 1GB


The Geforce GTX 680 has a GPU clock speed of 1006 MHz, and the 2048 MB of GDDR5 memory runs at 1502 MHz through a 256-bit bus. It also is made up of 1536 SPUs, 128 TAUs, and 32 ROPs.

Compare those specs to the Radeon HD 5750 1GB, which features a core clock frequency of 700 MHz and a GDDR5 memory frequency of 1150 MHz. It also uses a 128-bit bus, and makes use of a 40 nm design. It features 720(144x5) SPUs, 36 Texture Address Units, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5750 1GB 86 Watts
Geforce GTX 680 195 Watts
Difference: 109 Watts (127%)

Memory Bandwidth

As far as performance goes, the Geforce GTX 680 should in theory be quite a bit superior to the Radeon HD 5750 1GB overall. (explain)

Geforce GTX 680 192256 MB/sec
Radeon HD 5750 1GB 73600 MB/sec
Difference: 118656 (161%)

Texel Rate

The Geforce GTX 680 is much (about 411%) more effective at anisotropic filtering than the Radeon HD 5750 1GB. (explain)

Geforce GTX 680 128768 Mtexels/sec
Radeon HD 5750 1GB 25200 Mtexels/sec
Difference: 103568 (411%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Geforce GTX 680 is superior to the Radeon HD 5750 1GB, and very much so. (explain)

Geforce GTX 680 32192 Mpixels/sec
Radeon HD 5750 1GB 11200 Mpixels/sec
Difference: 20992 (187%)

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 680

Radeon HD 5750 1GB

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.


Display Specifications

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Model Geforce GTX 680 Radeon HD 5750 1GB
Manufacturer nVidia AMD
Year March 2012 October 13, 2009
Code Name GK104 Juniper LE
Memory 2048 MB 1024 MB
Core Speed 1006 MHz 700 MHz
Memory Speed 6008 MHz 4600 MHz
Power (Max TDP) 195 watts 86 watts
Bandwidth 192256 MB/sec 73600 MB/sec
Texel Rate 128768 Mtexels/sec 25200 Mtexels/sec
Pixel Rate 32192 Mpixels/sec 11200 Mpixels/sec
Unified Shaders 1536 720(144x5)
Texture Mapping Units 128 36
Render Output Units 32 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
Fab Process 28 nm 40 nm
Transistors 3540 million 1040 million
Bus PCIe 3.0 x16 PCIe 2.1 x16
DirectX Version DirectX 11.0 DirectX 11
OpenGL Version OpenGL 4.2 OpenGL 3.2

Memory Bandwidth: Bandwidth is the maximum amount of data (counted in MB per second) that can be moved over the external memory interface within a second. It is worked out by multiplying the card's interface width by the speed of its memory. If the card has DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, 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 per second. This figure is calculated by multiplying the total number of texture units by the core clock 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 maximum amount of pixels the video card can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.


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