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Spec GeForce GT 645 OEM
Overview
Product name NVIDIA GeForce GT 645 OEM
Architecture Fermi 2.0
Generation / family GeForce 600 Series
GPU codename GF114
Launch date 2012-04-24
Market segment Desktop, OEM in GeForce 600 Series
Board type / entry type Reference GPU
GPU
Process node TSMC 40 nm
Die size 332 mm²
Transistor count 1.95 billion
GPU chip GF114
SM / multiprocessor count 6
CUDA Cores 288
ROPs 24
TMUs 48
Clocks
Base / Core clock 776 MHz
Boost clock 776 MHz
Memory clock 957 MHz
Memory
Memory size 1 GB
Memory type GDDR5
Memory bus width 192-bit
Memory bandwidth 91.87 GB/s
Bus / Interface
Bus interface PCIe 2.0 x16
AGP / PCI / PCIe distinction PCIe
Power
TDP / TBP / board power 102 W
Recommended PSU 300 W
Slot width Dual-slot, 210 mm length
Display / Media
Display outputs 2x DVI, 1x mini-HDMI 1.3a
Features
DirectX support DirectX 11.0
OpenGL support OpenGL 4.6
CUDA support 2.1
Shader Model 5.1
Performance / Benchmarks
FP32 throughput 0.89 TFLOPS

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