Kepler · 2012
NVIDIA sold more than one real GPU chip under this exact model name during this era (confirmed for example on the GT 740M, sold as both a GK107 and a GK208 die with different clocks and memory bus widths). The specs shown here reflect one common configuration - the actual hardware in a specific laptop can differ. Check a tool like GPU-Z for the real specs in your machine.
Everyday display output, browsing and office work.
2 GB GDDR5 memory.
Push performance beyond base clock.
Soldered (Mobile)
Real-world specs can differ by laptop model - see the note above.
The NVIDIA GT 640M is a basic / integrated-class dedicated GPU with 2GB of GDDR5 memory, suited to light gaming and general-purpose display output.