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