NVIDIA GeForce 840M/PCIe/SSE2 3D Mark Okay, technical Info, known issues and bugs


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3D.Mark.Okay for Graphic-Card: NVIDIA-GeForce-840M-PCIe-SSE2

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NVIDIA GeForce 840M/PCIe/SSE2 - Technical Information.


The NVIDIA GeForce 840M is a dedicated graphics card from Nvidia that can be found in laptops. Here is some technical information about it:

1. Architecture:
The GeForce 840M is based on Nvidia's Kepler graphics architecture.

2. CUDA Cores:
It has a certain number of CUDA cores used for parallel processing tasks. The exact number can vary depending on the specific implementation, but is typically around 384 cores.

3. Memory:
The GeForce 840M is equipped with GDDR5 memory, which can vary in size depending on the model type and manufacturer. Variants with 2 GB or 4 GB of memory are common.

4. Memory Clock and Bandwidth:
Memory clock varies by manufacturer and model, but is typically in the 1,250 to 1,800 MHz range. Memory bandwidth can be affected by memory size and memory clock speed.

5. Memory Interface:
The GeForce 840M uses a 64-bit memory interface that ensures efficient data transfer between GPU and memory.

6. Base Clock and Boost Clock:
The base clock of the GeForce 840M is typically around 1029 MHz, while the boost clock can reach up to 1124 MHz or higher depending on thermal conditions and load.

7. Power Consumption and Power Connector:
The GeForce 840M has an average power consumption of approximately 30 to 40 watts and is powered via the PCIe bus without the need for additional power connectors.

8. Connectors:
Typical connectors include HDMI, DisplayPort and VGA, allowing external monitors to be connected and supporting a variety of display configurations.

9. Performance:
The GeForce 840M delivers solid performance for everyday tasks, multimedia playback, and even some older or less demanding games. However, it is not suitable for demanding 3D applications or games with high graphics requirements.

10. Cooling:
The GeForce 840M features various cooling solutions, including fan coolers and heat pipes, to ensure efficient heat dissipation and appropriate operating temperature.

Overall, the NVIDIA GeForce 840M offers a good balance between performance and power efficiency and is a popular choice for many laptop manufacturers for their mid-range models.

NVIDIA GeForce 840M/PCIe/SSE2, known issues and bugs.


The NVIDIA GeForce 840M is a popular dedicated graphics card for laptops, but like all hardware, it may have some known issues or bugs. Here are some possible issues:

1. Driver incompatibilities:
Some users may experience issues with driver incompatibilities, especially if they are using older or unoptimized driver versions. This may result in graphical errors, crashes, or performance issues. It is important to download and install the latest drivers from the Nvidia website to minimize any potential problems.

2. Overheating:
Like many dedicated graphics cards, the GeForce 840M can heat up during intensive use. If cooling is insufficient or the fans are not working properly, overheating can occur, which can negatively affect the performance and stability of the card.

3. Performance issues with certain applications or games:
Some users may find that the GeForce 840M does not deliver expected performance in certain applications or games. This could be due to various factors including driver issues, thermal limitations, or inadequate hardware configurations.

4. Compatibility Issues with New Games or Software:
Since the GeForce 840M is an older graphics card, there may be compatibility issues with newer games or software. This may result in graphical errors, crashes, or other issues. In some cases, patches or driver updates can resolve these issues.

5. Power and PCIe Compatibility:
Some users may experience power or PCIe compatibility issues, especially if their systems are older or do not have sufficient power. This may cause instability or performance issues.

6. Screen Flickering or Artifacts:
Some users may experience screen flickering or artifacts that could be due to possible hardware issues or driver incompatibilities. Updating drivers and checking hardware connection can help resolve such issues.

It is important to note that not all users experience these problems and that many of them may be resolvable through proper maintenance, driver updates, or other software solutions. If you encounter problems with your NVIDIA GeForce 840M, you should first install the latest drivers and, if necessary, consult manufacturer support or online forums to search for solutions.
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