
Tesla K80 and Tesla M40 - video card comparison
Passmark - benchmark score Tesla K80 vs Tesla M40
Tesla K80
6028
Tesla M40
10687
Tesla K80
Tesla M40
Architecture
Kepler 2.0 (2013−2015)
Maxwell 2.0 (2015−2019)
GPU code name
GK210
GM200
Market segment
Workstation
Workstation
Release date
November 2014
November 2015
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 8-pin
8-pin EPS
Boost clock speed
824 MHz
1112 MHz
Core clock speed
562 MHz
948 MHz
Floating-point performance
-
6,844 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
7,100 million
8,000 million
Pipelines / CUDA cores
2496
3072
Power consumption (TDP)
300 Watt
250 Watt
Texture fill rate
171.4
213.5
Memory type
GDDR5
GDDR5
Maximum RAM amount
12 GB
12 GB
Memory bus width
384 Bit
384 Bit
Memory clock speed
5012 MHz
6 GB/s
Memory bandwidth
240.6 GB/s
288.4 GB/s
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
12 (12_1)
CUDA
3.7
5.2
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
5.1
6.7
Vulkan
1.1.126
1.3