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, DirectX 11, CUDA, PhysX 3D Vision, Surround, DirectX 11.1 API, CUDA, PhysX, FXAA, Adaptive Vertical Sync
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.