
Tesla K40c and Tesla P40 - video card comparison
Passmark - benchmark score Tesla K40c vs Tesla P40
Tesla K40c
4629
Tesla P40
12873
Tesla K40c
Tesla P40
Architecture
Kepler (2012−2018)
Pascal (2016−2021)
GPU code name
GK180
GP102
Market segment
Workstation
Workstation
Release date
October 2013
September 2016
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
1531 MHz
Core clock speed
745 MHz
1303 MHz
Floating-point performance
4,291 gflops
11,758 gflops
Manufacturing process technology
28 nm
16 nm
Number of transistors
7,080 million
11,800 million
Pipelines / CUDA cores
2880
3840
Power consumption (TDP)
245 Watt
250 Watt
Texture fill rate
210.2
367.4
Memory type
GDDR5
GDDR5
Maximum RAM amount
12 GB
24 GB
Memory bus width
384 Bit
384 Bit
Memory clock speed
6008 MHz
7.2 GB/s
Memory bandwidth
288.4 GB/s
347.1 GB/s
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12 (12_1)
CUDA
3.5
6.1
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
5.1
6.7
Vulkan
1.1.103
1.3