GeForce GT 420M/PCI/SSE2 3D Mark Okay, technical Info, known issues and bugs


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3D.Mark.Okay for Graphic-Card: GeForce-GT-420M-PCI-SSE2

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GeForce GT 420M/PCI/SSE2 - Technical Information.


The NVIDIA GeForce GT 420M is a mobile graphics card designed for use in laptops and notebooks. Here is some technical information about this GPU:

1. Architecture:
The GeForce GT 420M is based on NVIDIA's Fermi architecture. This architecture offers a good balance between performance and energy efficiency for use in mobile devices.

2. CUDA Cores:
The GT 420M has a certain number of CUDA cores that are used for parallel calculations and graphics task execution. These cores are important for various graphics-intensive applications such as gaming, video editing, and 3D modeling.

3. Memory:
The GeForce GT 420M typically uses DDR3 memory with capacities ranging from 512MB to 1GB. Memory bandwidth and size may vary depending on model and manufacturer.

4. Interfaces:
The graphics card supports various interfaces such as HDMI, VGA and DVI, which enable connection to external monitors and other display devices.

5. Performance:
The GeForce GT 420M offers solid performance for older games and basic multimedia applications. However, it is not suitable for high-end gaming or demanding tasks such as 3D rendering or VR.

6. Energy Efficiency:
The graphics card is designed to provide good performance with low power consumption to extend laptop battery life.

7. DirectX and OpenGL Support:
The GeForce GT 420M supports DirectX 11 and OpenGL 4.4, which are modern graphics APIs that provide improved graphics quality and performance in supported applications.

The GeForce GT 420M is an older graphics card and may no longer be suitable for the latest games or applications. However, it is well suited for everyday use, basic gaming and multimedia tasks on older laptops and notebooks.

GeForce GT 420M/PCI/SSE2, known issues and bugs.


The NVIDIA GeForce GT 420M is an older graphics card, and while it has historically been considered a reliable product, there may be some known issues and bugs, particularly related to older driver software or hardware compatibility. Here are some possible issues:

1. Driver incompatibilities:
Older graphics cards like the GeForce GT 420M may experience issues when used with newer operating systems or applications. Incompatibilities between drivers and operating systems can result in performance issues, crashes, or other malfunctions.

2. Overheating:
Since the GT 420M is a mobile graphics card, it can cause overheating problems in laptops and notebooks, especially if the ventilation systems are inadequate or the device is already a few years old. Overheating can lead to performance issues or even hardware failure.

3. Screen Issues:
Some users have reported screen flickering, image artifacts, or issues with image output on external monitors. These problems may be due to driver issues, hardware failures, or port issues.

4. Performance Issues:
Due to the limited performance of the GeForce GT 420M, users may not be able to achieve the expected performance in modern games or applications. This may result in low frame rates, stuttering, or other performance issues.

5. Power Issues:
Some laptops with the GeForce GT 420M may experience power issues, especially if the power adapter is insufficient or unstable. This may cause operational problems or crashes.

It is important to note that not all users experience these issues and that many problems can be resolved through driver updates, BIOS updates, or other solutions. If you are having problems with your GeForce GT 420M, it is advisable to download and install the latest drivers from the NVIDIA website and ensure that your laptop is adequately cooled and powered properly. In some cases, it may also be advisable to contact NVIDIA technical support or your system manufacturer for further assistance.
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