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GeForce GTX 870M vs GeForce GTX 950

Intro

The GeForce GTX 870M has a GPU core clock speed of 941 MHz, and the 3072 MB of GDDR5 memory runs at 1000 MHz through a 192-bit bus. It also features 1344 SPUs, 112 TAUs, and 24 ROPs.

Compare all that to the GeForce GTX 950, which has a clock speed of 1024 MHz and a GDDR5 memory speed of 1652 MHz. It also uses a 128-bit memory bus, and makes use of a 28 nm design. It is made up of 768 SPUs, 48 TAUs, and 32 ROPs.

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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 950 6536 points
GeForce GTX 870M 4770 points
Difference: 1766 (37%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 950 90 Watts
GeForce GTX 870M 110 Watts
Difference: 20 Watts (22%)

Memory Bandwidth

In theory, the GeForce GTX 950 should be 10% faster than the GeForce GTX 870M in general, due to its greater bandwidth. (explain)

GeForce GTX 950 105728 MB/sec
GeForce GTX 870M 96000 MB/sec
Difference: 9728 (10%)

Texel Rate

The GeForce GTX 870M is a lot (more or less 114%) better at AF than the GeForce GTX 950. (explain)

GeForce GTX 870M 105392 Mtexels/sec
GeForce GTX 950 49152 Mtexels/sec
Difference: 56240 (114%)

Pixel Rate

The GeForce GTX 950 will be a lot (more or less 45%) more effective at FSAA than the GeForce GTX 870M, and capable of handling higher screen resolutions better. (explain)

GeForce GTX 950 32768 Mpixels/sec
GeForce GTX 870M 22584 Mpixels/sec
Difference: 10184 (45%)

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 870M

Amazon.com

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GeForce GTX 950

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 870M GeForce GTX 950
Manufacturer nVidia nVidia
Year March 12 2014 August 2015
Code Name GK104 GM206
Memory 3072 MB 2048 MB
Core Speed 941 MHz 1024 MHz
Memory Speed 4000 MHz 6608 MHz
Power (Max TDP) 110 watts 90 watts
Bandwidth 96000 MB/sec 105728 MB/sec
Texel Rate 105392 Mtexels/sec 49152 Mtexels/sec
Pixel Rate 22584 Mpixels/sec 32768 Mpixels/sec
Unified Shaders 1344 768
Texture Mapping Units 112 48
Render Output Units 24 32
Bus Type GDDR5 GDDR5
Bus Width 192-bit 128-bit
Fab Process 28 nm 28 nm
Transistors (Unknown) million 2940 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12 DirectX 12.0
OpenGL Version OpenGL 4.5 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the maximum amount of information (measured in MB per second) that can be transported across the external memory interface in one second. It's worked out by multiplying the card's bus width by its memory speed. If it uses DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster 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 texture map elements (texels) that can be processed in one second. This is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The higher this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly record to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce GTX 870M

Amazon.com

Check prices at:

GeForce GTX 950

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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