GeForce GTX 850M/PCIe/SSE2 3D Mark Okay, technical Info, known issues and bugs


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3D.Mark.Okay for Graphic-Card: GeForce-GTX-850M-PCIe-SSE2

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GeForce GTX 850M/PCIe/SSE2 - Technical Information.


The GeForce GT 640M is a dedicated graphics card from NVIDIA that is used in laptops. Here is some technical information about the GeForce GT 640M:

1. GPU Architecture:
The GeForce GT 640M is based on NVIDIA's Kepler architecture. This architecture is designed for improved performance and power efficiency and includes support for DirectX 11 and OpenGL 4.2.

2. CUDA Cores:
The GeForce GT 640M has 384 CUDA cores. These cores are optimized for parallel processing tasks and support applications that benefit from parallel processing, such as: B. Video editing and image processing.

3. Memory:
The GeForce GT 640M usually comes with 1GB or 2GB of GDDR5 memory. This type of memory provides fast access to graphics data and textures and enables improved performance in graphics-intensive applications.

4. Memory Bandwidth:
The memory bandwidth of the GeForce GT 640M is typically up to 28.8 GB/s. This enables fast data transfer between the GPU and graphics memory and improves performance in computationally intensive tasks.

5. Interfaces:
The GeForce GT 640M offers various interfaces for connecting monitors and other peripheral devices. These include HDMI, DisplayPort and VGA ports that allow multiple displays to be connected.

6. Power Consumption:
The power consumption of the GeForce GT 640M is typically in the range of around 35 to 50 watts, depending on the specific configuration and manufacturer settings.

7. Performance:
The GeForce GT 640M offers solid performance for older games and multimedia applications. It is capable of playing many games at medium to low settings at 720p or 1080p resolutions, but it may not be suitable for modern games with high graphics settings.

The GeForce GT 640M is an entry-level graphics card designed for use in laptops. It offers a balanced combination of performance and power efficiency and is a good choice for users who have basic gaming and multimedia needs.


GeForce GTX 850M/PCIe/SSE2, known issues and bugs.


The GeForce GTX 850M is an older mobile graphics card from NVIDIA and may have some known issues and bugs, although these may not be as prominent as newer or more popular graphics card models. Some possible issues could be:

1. Driver incompatibilities:
Older graphics cards such as the GTX 850M may not be fully compatible with the latest driver versions from NVIDIA. This can lead to performance issues, graphics errors, or even system crashes.

2. Overheating:
Since mobile graphics cards are built into compact laptops, cooling can sometimes be a challenge. Inadequate cooling can lead to overheating issues, which can impact GPU performance and stability.

3. Limited Performance:
The GTX 850M is an older graphics card and may not provide the performance required for newer games or demanding applications. Users may need to use lower frame rates or graphics settings to achieve playable performance.

4. Game and Application Compatibility Issues:
Some newer games or applications may not work properly with the GTX 850M, especially if they have specific hardware requirements or are based on newer graphics technologies.

5. Driver Issues with Specific Operating Systems:
Depending on the operating system the laptop is running, you may experience driver issues. This is particularly common with older operating system versions that may no longer be fully supported.

To minimize these problems, it is advisable to regularly download and install driver updates from the official NVIDIA website. Additionally, you can ensure that your laptop has adequate ventilation and that the hardware is compatible with the games and applications you use. If you encounter specific issues, you can contact NVIDIA Support or technical forums for assistance.
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