GeForce GT 640M/PCIe/SSE2 3D Mark Okay, technical Info, known issues and bugs


  3D Bench Mark OK

3D.Mark.Okay for Graphic-Card: GeForce-GT-640M-PCIe-SSE2

TopFPSRenderScreenMS
AA
CPURAM
GB
OS
 1 10.84   High  1366x768 0../img/icoGK/intel-ico.png  Intel(R) Core(TM) i7-3632QM CPU @ 2.20GHz2x810.0.19044
 2 38.77   Medium  1920x1080 0../img/icoGK/intel-ico.png  Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz2x810.0.21996
 3 72.97   Low  1366x768 0../img/icoGK/intel-ico.png  Intel(R) Core(TM) i7-3630QM CPU @ 2.40GHz2x410.0.22621

GeForce GT 640M/PCIe/SSE2 - Technical Information.


The GeForce GT 640M is an older mobile graphics card from NVIDIA that was used in laptops. Here is some technical information about this GPU:

- GPU Architecture:
The GeForce GT 640M is based on NVIDIA's Kepler architecture, which offered good performance and efficiency at the time of its release.
- CUDA Cores:
The number of CUDA cores is about 384, which is used for parallel calculations and graphics processing.
- Memory:
The GT 640M is equipped with GDDR5 memory, which can be either 1GB or 2GB depending on the configuration and manufacturer. This memory allows quick access to graphics data.
- Memory Bus:
Memory is connected to the GPU via a 128-bit memory interface, providing sufficient bandwidth for most applications.
- Ports:
The graphics card offers various ports including HDMI, DisplayPort and VGA to connect various monitors and external devices.
- Power Delivery:
The GT 640M is powered via the laptop's PCIe slot and does not require any additional power supply.
- Performance:
The GT 640M was suitable for mid-range gaming and general multimedia applications at the time of its release. It offered sufficient performance for games with low to medium graphics requirements and could also be used for video editing and other graphics-intensive tasks.

However, it is important to note that the GT 640M is an older GPU and may not be able to keep up with the latest games or applications that have higher graphics requirements.

GeForce GT 640M/PCIe/SSE2, known issues and bugs.


Although the GeForce GT 640M is an older GPU, it had some known issues and bugs that users may have experienced:

1. Driver Issues:
Some users reported compatibility issues with certain driver versions, resulting in crashes, performance issues, or other malfunctions being able to lead. This was often resolved by installing updated or older drivers.

2. Overheating:
Like many mobile GPUs, the GeForce GT 640M was prone to overheating during intensive use, especially in laptops with poor cooling. This could result in thermal throttling that affects performance.

3. Gaming Stability Issues:
Some users reported unstable frame rates, crashes, or screen flickering while gaming. These issues may be due to incompatibilities with certain games, drivers, or hardware configurations.

4. Bad graphics output:
There have been reports of artifacts, graphics errors, or unusual on-screen displays that could indicate possible hardware issues or driver incompatibilities.

5. Power Management:
Some users may notice power management issues that can cause unexpected performance slowdowns or sleep problems, particularly related to certain power saving profiles or system settings.

It is important to note that not all users have experienced these problems and that many of them may be resolvable through driver updates, patches, or adjustments to system settings. If you are having problems with your GeForce GT 640M, you can try downloading the latest drivers from the official NVIDIA website or contact your laptop manufacturer for specific solutions.
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