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Spec Tesla K20X
Overview
Product name NVIDIA Tesla K20X
Architecture Kepler
Generation / family Tesla K Series
GPU codename GK110
Launch date 2012-11-12
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 GK110
SM / multiprocessor count 0
CUDA Cores 2688
ROPs 48
TMUs 224
Clocks
Base / Core clock 732 MHz
Boost clock 732 MHz
Memory clock 1,300 MHz
Memory
Memory size 6 GB
Memory type GDDR5
Memory bus width 384-bit
Memory bandwidth 249.6 GB/s
Bus / Interface
Bus interface PCIe 3.0 x16
AGP / PCI / PCIe distinction PCIe
Power
TDP / TBP / board power 235 W
Recommended PSU 550 W
Power connectors 1x 6-pin + 1x 8-pin
Slot width Dual-slot, 267 mm length
Features
DirectX support DirectX 11.0
OpenGL support OpenGL 4.6
Vulkan support Vulkan 1.2
CUDA support 3.5
Shader Model 5.1
Performance / Benchmarks
FP32 throughput 3.94 TFLOPS

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