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Spec Tesla K40st
Overview
Product name NVIDIA Tesla K40st
Architecture Kepler
Generation / family Tesla K Series
GPU codename GK110B
Launch date 2013-11-22
Market segment Data Center in Tesla K Series
Board type / entry type Data Center GPU
GPU
Process node TSMC 28 nm
Die size 561 mm²
Transistor count 7.08 billion
GPU chip GK110B
SM / multiprocessor count 0
CUDA Cores 2880
ROPs 48
TMUs 240
Clocks
Base / Core clock 575 MHz
Boost clock 575 MHz
Memory clock 1,502 MHz
Memory
Memory size 12 GB
Memory type GDDR5
Memory bus width 384-bit
Memory bandwidth 288.4 GB/s
Bus / Interface
Bus interface PCIe 3.0 x16
AGP / PCI / PCIe distinction PCIe
Power
TDP / TBP / board power 245 W
Recommended PSU 550 W
Slot width Dual-slot, 267 mm length
Features
DirectX support DirectX 11.1
OpenGL support OpenGL 4.6
Vulkan support Vulkan 1.2
CUDA support 3.5
Shader Model 5.1
Performance / Benchmarks
FP32 throughput 3.31 TFLOPS

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