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GeForce GTX 1080 vs GeForce GTX 950M

Intro

The GeForce GTX 1080 features a clock speed of 1607 MHz and a GDDR5X memory frequency of 1251 MHz. It also features a 256-bit memory bus, and uses a 16 nm design. It is made up of 2560 SPUs, 160 Texture Address Units, and 64 ROPs.

Compare all that to the GeForce GTX 950M, which features a clock speed of 914 MHz and a DDR3 memory speed of 1000 MHz. It also makes use of a 128-bit memory bus, and uses a 28 nm design. It is made up of 640 SPUs, 40 Texture Address Units, and 16 Raster Operation Units.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce GTX 1080 21942 points
GeForce GTX 950M 3330 points
Difference: 18612 (559%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 950M 55 Watts
GeForce GTX 1080 180 Watts
Difference: 125 Watts (227%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 1080 should in theory be much superior to the GeForce GTX 950M in general. (explain)

GeForce GTX 1080 327680 MB/sec
GeForce GTX 950M 32000 MB/sec
Difference: 295680 (924%)

Texel Rate

The GeForce GTX 1080 will be a lot (approximately 603%) more effective at anisotropic filtering than the GeForce GTX 950M. (explain)

GeForce GTX 1080 257120 Mtexels/sec
GeForce GTX 950M 36560 Mtexels/sec
Difference: 220560 (603%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 1080 is superior to the GeForce GTX 950M, by a large margin. (explain)

GeForce GTX 1080 102848 Mpixels/sec
GeForce GTX 950M 14624 Mpixels/sec
Difference: 88224 (603%)

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 1080

Amazon.com

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GeForce GTX 950M

Amazon.com

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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 1080 GeForce GTX 950M
Manufacturer nVidia nVidia
Year May 2016 March 12 2015
Code Name GP104-400 GM107
Memory 8192 MB 2048 MB
Core Speed 1607 MHz 914 MHz
Memory Speed 10008 MHz 2000 MHz
Power (Max TDP) 180 watts 55 watts
Bandwidth 327680 MB/sec 32000 MB/sec
Texel Rate 257120 Mtexels/sec 36560 Mtexels/sec
Pixel Rate 102848 Mpixels/sec 14624 Mpixels/sec
Unified Shaders 2560 640
Texture Mapping Units 160 40
Render Output Units 64 16
Bus Type GDDR5X DDR3
Bus Width 256-bit 128-bit
Fab Process 16 nm 28 nm
Transistors 7200 million (Unknown) million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 12
OpenGL Version OpenGL 4.5 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the maximum amount of information (in units of MB per second) that can be moved across the external memory interface within a second. It is worked out by multiplying the card's bus width by its memory clock speed. In the case of DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster 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 number of texture map elements (texels) that are applied in one second. This number is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The better the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on many other factors, especially 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

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GeForce GTX 1080

Amazon.com

Check prices at:

GeForce GTX 950M

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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