Tesla K40s and Tesla K40st - video card comparison
Tesla K40s
Tesla K40st
Architecture
Kepler (2012−2018)
Kepler (2012−2018)
GPU code name
GK110B
GK110B
Market segment
Workstation
Workstation
Release date
November 2013
November 2013
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Boost clock speed
876 MHz
-
Core clock speed
745 MHz
575 MHz
Floating-point performance
4,291 gflops
4,291 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
7,080 million
7,080 million
Pipelines / CUDA cores
2880
2880
Power consumption (TDP)
245 Watt
245 Watt
Texture fill rate
210.2
138.0
Memory type
GDDR5
GDDR5
Maximum RAM amount
12 GB
12 GB
Memory bus width
384 Bit
384 Bit
Memory clock speed
6008 MHz
6008 MHz
Memory bandwidth
288.4 GB/s
288.4 GB/s
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
12 (11_1)
CUDA
3.5
3.5
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
1.1.126