nVidia GT640 2GB 128Bit PCI-e Graphics Display Card

Key Specifications

• GPU Architecture: Kepler (GK107 or GK208)
• CUDA Cores: 384
• Memory Size & Type: 2 GB DDR3 (or GDDR5 on select models)
• Memory Bus: 128-bit (DDR3) or 64-bit (GDDR5)
• Core Clock: ~900 MHz - 1046 MHz
• Memory Clock: 891 MHz (DDR3)
• Bus Interface: PCIe 3.0 x16 (or PCIe 2.0 x8)

Power & Connectivity

• Maximum Power Draw (TDP): 49W - 65W
• Power Connectors: None required (draws power directly from the PCIe slot)
• Recommended PSU: 200W - 300W
• Display Outputs: Typically includes 1x Dual-Link DVI, 1x HDMI 1.4a, and 1x VGA / DisplayPort

Gaming & Performance

While it supports DirectX 12 (Feature Level 11_0) and OpenGL 4.6, modern AAA games are unplayable. It is strictly for 720p or lower resolutions on older titles (like World of Tanks, Minecraft, or League of Legends) on low-to-medium settings. It is also highly effective for hardware video decoding.

To see the GT 640 2GB being benchmarked on popular games to get a clear idea of its real-world performance: