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GeForce GTX 860M vs Radeon HD 6750

Intro

The GeForce GTX 860M uses a 28 nm design. nVidia has clocked the core frequency at 797 MHz. The GDDR5 memory is set to run at a frequency of 1000 MHz on this specific card. It features 1152 SPUs as well as 96 TAUs and 16 Rasterization Operator Units.

Compare all that to the Radeon HD 6750, which uses a 40 nm design. AMD has clocked the core speed at 725 MHz. The GDDR5 RAM runs at a speed of 1000 MHz on this model. It features 720 SPUs as well as 36 TAUs and 16 Rasterization Operator 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 exactly the same memory bandwidth, so in theory they should have identical performance. (explain)

Texel Rate

The GeForce GTX 860M will be a lot (approximately 193%) more effective at anisotropic filtering 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 will be a small bit (more or less 10%) more effective at full screen anti-aliasing than the Radeon HD 6750, and also should be capable of handling higher resolutions without losing too much performance. (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: Bandwidth is the largest amount of data (in units of megabytes per second) that can be transported over the external memory interface within a second. It's calculated by multiplying the card's bus width by its memory speed. In the case of DDR memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range 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 worked out by multiplying the total number 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 handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly write to its local memory in a second - measured in millions of pixels per second. The number is calculated 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 drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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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.

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