
Tesla K40c and Tesla A100 - video card comparison
Tesla K40c
Tesla A100
Architecture
Kepler (2012−2018)
Ampere (2020−2022)
GPU code name
GK180
GA100
Market segment
Workstation
Workstation
Release date
October 2013
-
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
None
Boost clock speed
876 MHz
-
Core clock speed
745 MHz
1110 MHz
Floating-point performance
4,291 gflops
-
Manufacturing process technology
28 nm
7 nm
Number of transistors
7,080 million
38,000 million
Pipelines / CUDA cores
2880
7936
Power consumption (TDP)
245 Watt
260 Watt
Texture fill rate
210.2
550.6
Memory type
GDDR5
HBM2e
Maximum RAM amount
12 GB
32 GB
Memory bus width
384 Bit
4096 Bit
Memory clock speed
6008 MHz
2400 MHz
Memory bandwidth
288.4 GB/s
1,229 GB/s
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12 (12_1)
CUDA
3.5
-
OpenCL
1.2
-
OpenGL
4.6
4.6
Shader Model
5.1
-
Vulkan
1.1.103
-