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GeForce GTX 850M vs GeForce GTX 980 Ti

Intro

The GeForce GTX 850M features a GPU core speed of 876 MHz, and the 2048 MB of DDR3 RAM runs at 1000 MHz through a 128-bit bus. It also is made up of 640 SPUs, 40 Texture Address Units, and 16 ROPs.

Compare that to the GeForce GTX 980 Ti, which has core clock speeds of 1000 MHz on the GPU, and 1750 MHz on the 6144 MB of GDDR5 RAM. It features 2816 SPUs as well as 176 Texture Address Units and 96 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 980 Ti 17120 points
GeForce GTX 850M 3340 points
Difference: 13780 (413%)

Zcash Mining Hash Rate

GeForce GTX 980 Ti 425 Sol/s
GeForce GTX 850M 49 Sol/s
Difference: 376 (767%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 850M 40 Watts
GeForce GTX 980 Ti 250 Watts
Difference: 210 Watts (525%)

Memory Bandwidth

Performance-wise, the GeForce GTX 980 Ti should theoretically be a lot better than the GeForce GTX 850M overall. (explain)

GeForce GTX 980 Ti 336000 MB/sec
GeForce GTX 850M 32000 MB/sec
Difference: 304000 (950%)

Texel Rate

The GeForce GTX 980 Ti is much (approximately 402%) more effective at anisotropic filtering than the GeForce GTX 850M. (explain)

GeForce GTX 980 Ti 176000 Mtexels/sec
GeForce GTX 850M 35040 Mtexels/sec
Difference: 140960 (402%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 980 Ti is the winner, by a large margin. (explain)

GeForce GTX 980 Ti 96000 Mpixels/sec
GeForce GTX 850M 14016 Mpixels/sec
Difference: 81984 (585%)

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 850M

Amazon.com

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GeForce GTX 980 Ti

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 850M GeForce GTX 980 Ti
Manufacturer nVidia nVidia
Year March 12 2014 June 2015
Code Name GM107 GM200
Memory 2048 MB 6144 MB
Core Speed 876 MHz 1000 MHz
Memory Speed 2000 MHz 7000 MHz
Power (Max TDP) 40 watts 250 watts
Bandwidth 32000 MB/sec 336000 MB/sec
Texel Rate 35040 Mtexels/sec 176000 Mtexels/sec
Pixel Rate 14016 Mpixels/sec 96000 Mpixels/sec
Unified Shaders 640 2816
Texture Mapping Units 40 176
Render Output Units 16 96
Bus Type DDR3 GDDR5
Bus Width 128-bit 384-bit
Fab Process 28 nm 28 nm
Transistors (Unknown) million 8000 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 max amount of information (in units of megabytes per second) that can be transferred past the external memory interface in one second. The number is calculated by multiplying the card's bus width by its memory speed. If the card has DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This figure is calculated by multiplying the total number of texture units by the core 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 per second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce GTX 850M

Amazon.com

Check prices at:

GeForce GTX 980 Ti

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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