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GeForce GTX 860M vs Radeon HD 6750

Intro

The GeForce GTX 860M has a GPU core speed of 797 MHz, and the 4096 MB of GDDR5 memory is set to run at 1000 MHz through a 128-bit bus. It also is made up of 1152 SPUs, 96 TAUs, and 16 ROPs.

Compare those specifications to the Radeon HD 6750, which has a core clock speed of 725 MHz and a GDDR5 memory speed of 1000 MHz. It also makes use of a 128-bit bus, and uses a 40 nm design. It is comprised of 720 SPUs, 36 TAUs, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 860M 45 Watts
Radeon HD 6750 86 Watts
Difference: 41 Watts (91%)

Memory Bandwidth

Both cards have the exact same bandwidth, so in theory they should perform exactly the same. (explain)

Texel Rate

The GeForce GTX 860M will be quite a bit (more or less 193%) better at AF than the Radeon HD 6750. (explain)

GeForce GTX 860M 76512 Mtexels/sec
Radeon HD 6750 26100 Mtexels/sec
Difference: 50412 (193%)

Pixel Rate

The GeForce GTX 860M is a small bit (approximately 10%) more effective at full screen anti-aliasing than the Radeon HD 6750, and should be capable of handling higher screen resolutions more effectively. (explain)

GeForce GTX 860M 12752 Mpixels/sec
Radeon HD 6750 11600 Mpixels/sec
Difference: 1152 (10%)

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 860M

Amazon.com

Check prices at:

Radeon HD 6750

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 860M Radeon HD 6750
Manufacturer nVidia AMD
Year March 12 2014 January 2011
Code Name GM107 Juniper Pro
Memory 4096 MB 512 MB
Core Speed 797 MHz 725 MHz
Memory Speed 4000 MHz 4000 MHz
Power (Max TDP) 45 watts 86 watts
Bandwidth 64000 MB/sec 64000 MB/sec
Texel Rate 76512 Mtexels/sec 26100 Mtexels/sec
Pixel Rate 12752 Mpixels/sec 11600 Mpixels/sec
Unified Shaders 1152 720
Texture Mapping Units 96 36
Render Output Units 16 16
Bus Type GDDR5 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 4.0

Memory Bandwidth: Memory bandwidth is the largest amount of data (measured in megabytes per second) that can be moved past the external memory interface within a second. The number is calculated by multiplying the interface width by the speed of its memory. If it uses DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly record to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 860M

Amazon.com

Check prices at:

Radeon HD 6750

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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