
Tesla K40c and Tesla M40 - video card comparison
Passmark - benchmark score Tesla K40c vs Tesla M40
Tesla K40c
4629
Tesla M40
10687
Tesla K40c
Tesla M40
Architecture
Kepler (2012−2018)
Maxwell 2.0 (2015−2019)
GPU code name
GK180
GM200
Market segment
Workstation
Workstation
Release date
October 2013
November 2015
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
8-pin EPS
Boost clock speed
876 MHz
1112 MHz
Core clock speed
745 MHz
948 MHz
Floating-point performance
4,291 gflops
6,844 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
7,080 million
8,000 million
Pipelines / CUDA cores
2880
3072
Power consumption (TDP)
245 Watt
250 Watt
Texture fill rate
210.2
213.5
Memory type
GDDR5
GDDR5
Maximum RAM amount
12 GB
12 GB
Memory bus width
384 Bit
384 Bit
Memory clock speed
6008 MHz
6 GB/s
Memory bandwidth
288.4 GB/s
288.4 GB/s
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12 (12_1)
CUDA
3.5
5.2
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
5.1
6.7
Vulkan
1.1.103
1.3