
Tesla K80 and Tesla P40 - video card comparison
Passmark - benchmark score Tesla K80 vs Tesla P40
Tesla K80
6028
Tesla P40
12873
Tesla K80
Tesla P40
Architecture
Kepler 2.0 (2013−2015)
Pascal (2016−2021)
GPU code name
GK210
GP102
Market segment
Workstation
Workstation
Release date
November 2014
September 2016
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 8-pin
8-pin EPS
Boost clock speed
824 MHz
1531 MHz
Core clock speed
562 MHz
1303 MHz
Floating-point performance
-
11,758 gflops
Manufacturing process technology
28 nm
16 nm
Number of transistors
7,100 million
11,800 million
Pipelines / CUDA cores
2496
3840
Power consumption (TDP)
300 Watt
250 Watt
Texture fill rate
171.4
367.4
Memory type
GDDR5
GDDR5
Maximum RAM amount
12 GB
24 GB
Memory bus width
384 Bit
384 Bit
Memory clock speed
5012 MHz
7.2 GB/s
Memory bandwidth
240.6 GB/s
347.1 GB/s
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
12 (12_1)
CUDA
3.7
6.1
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
5.1
6.7
Vulkan
1.1.126
1.3