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GeForce GT 645 1.5 GB (OEM)

Specifications of the NVIDIA GeForce GT 645 1.5 GB (OEM) GPU


NVIDIA GeForce GT 645 1.5 GB (OEM) Graphics Processing Unit for desktop market segment utilizes Fermi architecture, and was launched in April 2012. The GPU is fabricated on 40 nm manufacturing process. The cards processor and graphics clock speeds are 1.552 GHz and 776 MHz respectively. It also sports 288 CUDA cores, 48 texture units, along with 24 ROPs. The GeForce GT 645 1.5 GB (OEM) incorporates 1.5 GB of GDDR5 memory, using 192 bit bus. The memory is clocked at 957 MHz, which results in 91.9 GB/s memory bandwidth. The GPU has PCI Express 2.0 interface, and needs 2 slots on the motherboard. The maximum power draw of this model is 140 Watt.

More detailed specifications of the NVIDIA GeForce GT 645 1.5 GB (OEM) card you will find below.

Name / Brand / Architecture

Manufacturer:NVIDIA
Model:GeForce GT **5 1.5 GB (OEM)
Reference card?:Yes
Target market segment:Desktop (OEM)
Die name:GF 114
Architecture:Fermi
Fabrication process:40nm
Transistors:1.95 billion
Bus interface:PCI-E 2.0 x 16
Launch date:April 2012

Frequency

Graphics clock:776 MHz
Processor clock:1552 MHz

Memory specifications

Memory size:1536 MB
Memory type:GDDR5
Memory clock:957 MHz
Memory clock (effective):3828 MHz
Memory interface width:192-bit
Memory bandwidth:91.9 GB/s

Cores / Texture

CUDA:2.1
CUDA cores:288
ROPs:24
Texture units:48
RAMDACs:400 MHz

Electric characteristics

Maximum GPU temp:102C
Maximum power draw:140 W

Video features

Multi-monitor:Yes
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
HDMI:Yes
HDMI version:1.4a

Performance

Pixel fill rate:18.62 Gigapixels/s
Texture fill rate:37.25 Gigatexels/s
Single presision compute power:1117.44 GFLOPS

External connectors

Standard display connectors:2 x Dual-Link DVI-I
Mini-HDMI
Power connectors:1 x 6-Pin
Audio input for HDMI:Yes

Dimensions

Size (length x height):8.25 inches (210 mm) x 4.376 inches (111 mm)
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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