Geforce gtx 850m 4gb

NVIDIA GeForce GTX 950M

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TheNVIDIA GeForce GTX 950Mis an (upper) mid-range, DirectX 11-compatible graphics thẻ for laptops unveiled in March 2015.It is based on Nvidia"s Maxwell architecture (GM107 chip) and manufactured in 28 nm. The GTX 950M offers 640 shader units clocked at 914 MHz (+ Boost) as well as fast GDDR5 memory (128 bit, 5000 MHz effective, 80 GB/s). Compared khổng lồ the previous và technically very similarGTX 850M, the GTX 950M is clocked slightly higher. A detailed performance comparison of the GTX 950M with GDDR5 and DDR3 can be found here.

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Some GTX 950M may be equipped with cheaper 900 - 1000 MHz DDR3 memory (1800 - 2000 MHz effective sầu, 28.8 - 32 GB/s), which leads khổng lồ a 10 - trăng tròn percent lower performance despite the slightly higher core clock of 993 MHz.

Architecture

Compared to Kepler, Maxwell has been optimized in several details khổng lồ increase power efficiency. Smaller Streaming Multiprocessors (SMM) with only 128 ALUs (Kepler: 192) and an optimized scheduler should lead lớn better utilization of the shaders.Nvidia promises that a Maxwell SMM with 128 ALUs can offer 90 percent of the performance of a Kepler SMX with 192 ALUs.GM107 features 5 SMMs & thus 640 shader cores, 40 TMUs và 16 ROPs (128-bit interface).

Another optimization is the massively enlarged L2 cache (GM107: 2 MB). The increased size can handle some of the memory traffic lớn allow for a relatively narrow memory interface without significantly reducing the performance.

GM107 supports DirectX 12 with feature cấp độ 11_0 only.

Performance

Although the GTX 950M has the same memory bandwidth as the previousGTX 850M, its higher core clock leads khổng lồ a slightly better performance. Overall, the 950M (GDDR5 version) is about 15 percent slower than the GTX 960M & just slightly behind the old GTX 860M.

Many games of 2014/năm ngoái can be played fluently in FullHD resolution và high detail settings. However, very demanding games such asAssassin"s Creed Unitywill require lower resolutions and/or details.

Features

GM107 integrates the sixth generation of the PureVideo HD đoạn Clip engine (VP6), offering a better decoding performance for H.264 & MPEG-2 videos. Of course, VP6 supports all features of previous generations (4K tư vấn, PIPhường, đoạn Clip encoding via NVENC API).Unfortunately,HDXiaoMi MI 2.0 is still not supported.

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Power Consumption

The power consumption of the GeForce GTX 950M should be similar khổng lồ (or slightly above) the previousGTX 850Mat about 50 watts. Therefore, the GPU is best suited for 15-inchlaptops or larger. The 900M series also supportsOptimuskhổng lồ automatically switch between an integrated graphics card and the Nvidia GPU.


NVIDIA GeForce GTX 850M

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TheNVIDIA GeForce GTX 850Mis an upper mid-range, DirectX 12-compatible graphics card for laptops unveiled in March năm trước.It is one of the first cards based on Nvidia"s new Maxwell architecture (GM107 chip), but is still manufactured in 28 nm. The GTX 850M offers 640 shader units clocked at 876 MHz (+ Boost) as well as 4 GB of GDDR5 memory (128 bit, 5000 MHz effective). In addition, there is a slightly higher clocked version (936 MHz + Boost) using slower DDR3 memory (2000 MHz effective).

Architecture

Compared lớn Kepler, Maxwell has been optimized in several details to increase power efficiency. Smaller Streaming Multiprocessors (SMM) with only 128 ALUs (Kepler: 192) and an optimized scheduler should lead to better utilization of the shaders.Nvidia promises that a Maxwell SMM with 128 ALUs can offer 90 percent of the performance of a Kepler SMX with 192 ALUs.GM107 features 5 SMMs và thus 640 shader cores, 40 TMUs & 16 ROPs (128-bit interface).

Another optimization is the massively enlarged L2 cabịt (GM107: 2 MB). The larger size can process some of the memory traffic khổng lồ allow for a relatively narrow memory interface without significantly reducing performance.

Similar khổng lồ Fermày và Kepler, Maxwell / GM107 supports DirectX 12 with feature level 11_0 only.

Performance

Although the GTX 850M has less shaders, it often outperforms the old Kepler-basedGeForce GTX 765Mwhile drawing less power.Despite the lower core cloông chồng, the GDDR5 version usually takes the lead over the DDR3 Mã Sản Phẩm and sometimes even beats the Kepler variant of the GeForce GTX 860M. Many games of 2013/năm trước (Tomb Raider or BioShock Infinite, etc.) can be played fluently in FullHD resolution và high detail settings. However, very demanding games such as Crysis 3 or Battlefield 4 will require lower resolutions and/or details.

Features

GM107 integrates the sixth generation of the PureVideo HD đoạn Clip engine (VP6), offering a better decoding performance for H.264 and MPEG-2 videos. Of course, VP6 supports all features of previous generations (4K tư vấn, PIP, Clip encoding via NVENC API).Unfortunately,HDMI 2.0 is still not supported.

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Power Consumption

The power consumption of the GeForce GTX 850M should be somewhat below the oldGTX 760Mat about 40 - 45 Watts. Therefore, the 850M is best suited for 15-inchlaptops or larger. The 800M series also supportsOptimuskhổng lồ automatically switch between an integrated graphics card và the Nvidia GPU.


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