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GeForce 940M vs Radeon HD 6750 1GB

Intro

The GeForce 940M features a GPU core speed of 1072 MHz, and the 2048 MB of DDR3 RAM runs at 1000 MHz through a 64-bit bus. It also is comprised of 384 Stream Processors, 24 Texture Address Units, and 8 Raster Operation Units.

Compare that to the Radeon HD 6750 1GB, which makes use of a 40 nm design. AMD has set the core frequency at 725 MHz. The GDDR5 memory works at a frequency of 1000 MHz on this particular card. It features 720 SPUs along with 36 Texture Address Units and 16 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the Radeon HD 6750 1GB is 300% quicker than the GeForce 940M in general, due to its greater data rate. (explain)

Radeon HD 6750 1GB 64000 MB/sec
GeForce 940M 16000 MB/sec
Difference: 48000 (300%)

Texel Rate

The Radeon HD 6750 1GB will be just a bit (more or less 1%) faster with regards to anisotropic filtering than the GeForce 940M. (explain)

Radeon HD 6750 1GB 26100 Mtexels/sec
GeForce 940M 25728 Mtexels/sec
Difference: 372 (1%)

Pixel Rate

The Radeon HD 6750 1GB will be quite a bit (approximately 35%) better at AA than the GeForce 940M, and also capable of handling higher resolutions more effectively. (explain)

Radeon HD 6750 1GB 11600 Mpixels/sec
GeForce 940M 8576 Mpixels/sec
Difference: 3024 (35%)

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 940M

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 940M Radeon HD 6750 1GB
Manufacturer nVidia AMD
Year March 12 2015 January 2011
Code Name GM108 Juniper Pro
Memory 2048 MB 1024 MB
Core Speed 1072 MHz 725 MHz
Memory Speed 2000 MHz 4000 MHz
Power (Max TDP) (Unknown) watts 86 watts
Bandwidth 16000 MB/sec 64000 MB/sec
Texel Rate 25728 Mtexels/sec 26100 Mtexels/sec
Pixel Rate 8576 Mpixels/sec 11600 Mpixels/sec
Unified Shaders 384 720
Texture Mapping Units 24 36
Render Output Units 8 16
Bus Type DDR3 GDDR5
Bus Width 64-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 maximum amount of data (in units of megabytes per second) that can be transported past the external memory interface in one second. It is calculated by multiplying the card's bus width by its memory speed. In the case of DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce 940M

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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