
Tesla K20Xm and RTX A4000 - video card comparison
Passmark - benchmark score Tesla K20Xm vs RTX A4000
Tesla K20Xm
3005
RTX A4000
19982
Tesla K20Xm
RTX A4000
Architecture
Kepler (2012−2018)
Ampere (2020−2022)
GPU code name
GK110
GA104
Market segment
Workstation
Workstation
Release date
November 2012
April 2021
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
-
1x 6-pin
Boost clock speed
-
1560 MHz
Core clock speed
732 MHz
-
Floating-point performance
3,935 gflops
-
Manufacturing process technology
28 nm
8 nm
Number of transistors
7,080 million
17,400 million
Pipelines / CUDA cores
2688
6144
Power consumption (TDP)
235 Watt
140 Watt
Texture fill rate
164.0
299.5
Memory type
GDDR5
GDDR6
Maximum RAM amount
6 GB
16 GB
Memory bus width
384 Bit
256 Bit
Memory clock speed
5200 MHz
14 GB/s
Memory bandwidth
249.6 GB/s
448.0 GB/s
Display Connectors
No outputs
4x DisplayPort 1.4a
DirectX
12 (11_0)
12 Ultimate (12_2)
CUDA
3.5
8.6
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
5.1
6.7
Vulkan
1.1.126
1.3