
CMP 40HX and A40 PCIe - video card comparison
CMP 40HX
A40 PCIe
Architecture
Turing (2018−2021)
Ampere (2020−2022)
GPU code name
TU106
GA102
Market segment
Desktop
Desktop
Release date
February 2021
October 2020
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 8-pin
8-pin EPS
Boost clock speed
1650 MHz
1755 MHz
Manufacturing process technology
12 nm
8 nm
Number of transistors
10,800 million
28,300 million
Pipelines / CUDA cores
2304
10752
Power consumption (TDP)
185 Watt
300 Watt
Texture fill rate
237.6
589.7
Memory type
GDDR6
GDDR6
Maximum RAM amount
8 GB
48 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
14 GB/s
14.5 GB/s
Memory bandwidth
448.0 GB/s
695.8 GB/s
Display Connectors
No outputs
3x DisplayPort
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
7.5
8.6
OpenCL
3.0
2.0
OpenGL
4.6
4.6
Shader Model
6.6
6.5
Vulkan
1.2
1.2