Specifications

Specifications

Note: The below specifications represent this GPU as incorporated into NVIDIA's reference graphics card design. Graphics card specifications may vary by Add-in-card manufacturer. Please refer to the Add-in-card manufacturers' website for actual shipping specifications.
GPU Engine Specs:
Graphics card version GT 640 GT640 GDDR5
CUDA Cores 384 384
Graphics Clock (MHz) 900 1046
Texture Fill Rate (billion/sec) 28.8 16.7
Memory Specs:
Memory Clock 1.8 Gbps 5.0 Gbps
Standard Memory Config 2048 MB 1024 MB
Memory Interface DDR3 GDDR5
Memory Interface Width 128-bit 64-bit
Memory Bandwidth (GB/sec) 28.5 40.0
Feature Support:
OpenGL 4.3 4.3
Bus Support PCI Express 3.0 PCI Express 3.0
Certified for Windows 7 and Windows 8 Yes Yes
Supported Technologies 3D Vision, Surround, CUDA, PhysX 3D Vision, Surround, CUDA, PhysX, FXAA, Adaptive Vertical Sync
Microsoft DirectX 12 API 12 API
3D Vision Ready Yes Yes
Display Support:
Multi Monitor Yes Yes
Maximum Digital Resolution 4096x21602 4096x21602
Maximum VGA Resolution 2048x1536 2048x1536
HDCP Yes Yes
HDMI1 Yes Yes
Standard Display Connectors Dual Link DVI-I, Dual Link DVI-D, Mini HDMI Dual Link DVI-D, HDMI, VGA
Audio Input for HDMI Internal Internal
Standard Graphics Card Dimensions:
Length 5.70 inches 5.70 inches
Height 4.38 inches 4.38 inches
Width Dual-width Dual-width
Thermal and Power Specs:
Maximum GPU Temperature (in C) 98 C 95 C
Maximum Graphics Card Power (W) 65 W 49 W
Minimum System Power Requirement (W) 350 W 300 W
3D Vision Ready:
3D Blu-Ray Yes Yes
3D Photos Yes Yes

1 - Support for HDMI including GPU accelerated Blu-ray 3D support (Blu-ray 3D playback requires the purchase of a compatible software player from CyberLink, ArcSoft, Corel, or Sonic), x.v.Color, HDMI Deep Color, and 7.1 digital surround sound will be added in a Release 260 driver. Upgrade your GPU to full 3D capability with NVIDIA 3DTV Play software, enabling 3D gaming, picture viewing and 3D web video streaming. See www.nvidia.com/3dtv for more details.
2 - 4096x2160 resolution supported through a single HDMI connector. 4096x2160 resolution is not supported with two DVI connectors.