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GeForce GT 640 / ZT-60209-10L

ZOTAC GeForce GT 640 (part number ZT-60209-10L) is a Graphics Processing Unit, manufactured using 28 nm technological process. The GPU is based on NVIDIA GeForce GT 640 v2 GDDR5, and it is aimed at desktop market. The card's graphics frequency is 1.046 GHz. Furthermore, it has 384 CUDA cores, 8 ROPs, as well as 16 texture units. The GeForce GT 640 incorporates 2 GB of GDDR5 memory, clocked at 1.25 GHz. It has a 64 bit wide memory interface, which results in 40 GB/s memory bandwidth. The GPU has PCI Express 3.0 interface, and uses 2 motherboard slots. This model requires up to 49 Watt of power, same as on the reference design.

More detailed specifications of the card are available below.

ZOTAC GeForce GT 640 GPU specifications

Name / Brand / Architecture

Manufacturer: ZOTAC
Model: GeForce GT **0
Part number: ZT-60209-10L
Based on: NVIDIA GeForce GT **0 v2 GDDR5 [Compare]
Target market segment: Desktop
Die name: GK 208
Architecture: Kepler
Fabrication process: 28 nm
Transistors: 1.3 billion
Bus interface: PCI-E 3.0 x 16

Frequency

Graphics clock: 1046 MHz

Memory specifications

Memory size: 2048 MB
Memory type: GDDR5
Memory clock: 1250 MHz
Memory clock (effective): 5000 MHz
Memory interface width: **-bit
Memory bandwidth: 40 GB/s

Cores / Texture

CUDA: 2.1
CUDA cores: 384
ROPs: 8
Texture units: 16
RAMDACs: 400 MHz

Electric characteristics

Maximum GPU temp: 95C
Maximum power draw: 49 W

Video features

Multi-monitor: Up to 2 displays
Maximum DVI resolution: **0 x 1600
Maximum HDMI resolution: 4096 x 2160 @ 24 Hz or 3840 x 2160 @ 30 Hz
Maximum VGA resolution: 2048 x 1536
Anti-Aliasing technologies: FXAA
TXAA
HDMI: Yes
HDMI version: 1.4a

Performance

Pixel fill rate: 8.37 Gigapixels/s
Texture fill rate: 16.74 Gigatexels/s
Single presision compute power: 803.33 GFLOPS

External connectors

Standard display connectors: Dual-Link DVI-D
HDMI
VGA
Audio input for HDMI: Yes

Dimensions

Width: Dual Slot

Other features / Support

Other features: 3D Vision  ? 
3D Vision Surround  ? 
HDCP
PhysX
OpenGL support: 4.2
DirectX support: 11.1
Shader model: 5.0
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