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GeForce GTX 850M vs Radeon HD 6750 1GB

Intro

The GeForce GTX 850M comes with a GPU core clock speed of 876 MHz, and the 2048 MB of DDR3 memory runs at 1000 MHz through a 128-bit bus. It also is made up of 640 SPUs, 40 TAUs, and 16 Raster Operation Units.

Compare all of that to the Radeon HD 6750 1GB, which comes with a clock speed of 725 MHz and a GDDR5 memory frequency of 1000 MHz. It also features a 128-bit memory bus, and uses a 40 nm design. It is made up of 720 SPUs, 36 TAUs, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 850M 40 Watts
Radeon HD 6750 1GB 86 Watts
Difference: 46 Watts (115%)

Memory Bandwidth

In theory, the Radeon HD 6750 1GB is 100% quicker than the GeForce GTX 850M overall, because of its higher bandwidth. (explain)

Radeon HD 6750 1GB 64000 MB/sec
GeForce GTX 850M 32000 MB/sec
Difference: 32000 (100%)

Texel Rate

The GeForce GTX 850M will be much (more or less 34%) more effective at AF than the Radeon HD 6750 1GB. (explain)

GeForce GTX 850M 35040 Mtexels/sec
Radeon HD 6750 1GB 26100 Mtexels/sec
Difference: 8940 (34%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 850M is a better choice, by far. (explain)

GeForce GTX 850M 14016 Mpixels/sec
Radeon HD 6750 1GB 11600 Mpixels/sec
Difference: 2416 (21%)

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 850M

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.

Specifications

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Model GeForce GTX 850M Radeon HD 6750 1GB
Manufacturer nVidia AMD
Year March 12 2014 January 2011
Code Name GM107 Juniper Pro
Memory 2048 MB 1024 MB
Core Speed 876 MHz 725 MHz
Memory Speed 2000 MHz 4000 MHz
Power (Max TDP) 40 watts 86 watts
Bandwidth 32000 MB/sec 64000 MB/sec
Texel Rate 35040 Mtexels/sec 26100 Mtexels/sec
Pixel Rate 14016 Mpixels/sec 11600 Mpixels/sec
Unified Shaders 640 720
Texture Mapping Units 40 36
Render Output Units 16 16
Bus Type DDR3 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 40 nm
Transistors (Unknown) million 1040 million
Bus PCIe 3.0 x16 PCIe x16
DirectX Version DirectX 12 DirectX 11
OpenGL Version OpenGL 4.5 OpenGL 4.1

Memory Bandwidth: Bandwidth is the largest amount of information (in units of megabytes per second) that can be transferred past the external memory interface within a second. It's worked out by multiplying the card's bus width by its memory speed. In the case of DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card can possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on quite a few other factors, most notably 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

Hide Prices

GeForce GTX 850M

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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