Tesla K80 and A40 PCIe - video card comparison
Tesla K80
A40 PCIe
Architecture
Kepler 2.0 (2013−2015)
Ampere (2020−2022)
GPU code name
GK210
GA102
Market segment
Workstation
Desktop
Release date
November 2014
October 2020
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 8-pin
8-pin EPS
Boost clock speed
824 MHz
1755 MHz
Core clock speed
562 MHz
-
Manufacturing process technology
28 nm
8 nm
Number of transistors
7,100 million
28,300 million
Pipelines / CUDA cores
2496
10752
Power consumption (TDP)
300 Watt
300 Watt
Texture fill rate
171.4
589.7
Memory type
GDDR5
GDDR6
Maximum RAM amount
12 GB
48 GB
Memory bus width
384 Bit
384 Bit
Memory clock speed
5012 MHz
14.5 GB/s
Memory bandwidth
240.6 GB/s
695.8 GB/s
Display Connectors
No outputs
3x DisplayPort
DirectX
12 (11_1)
12 Ultimate (12_2)
CUDA
3.7
8.6
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.5
Vulkan
1.1.126
1.2