A100 SXM4 80 GB and A40 PCIe - video card comparison
A100 SXM4 80 GB
A40 PCIe
Architecture
Ampere (2020−2022)
Ampere (2020−2022)
GPU code name
GA100
GA102
Market segment
Desktop
Desktop
Release date
November 2020
October 2020
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
None
8-pin EPS
Boost clock speed
1410 MHz
1755 MHz
Core clock speed
1410 MHz
-
Manufacturing process technology
7 nm
8 nm
Number of transistors
54,200 million
28,300 million
Pipelines / CUDA cores
6912
10752
Power consumption (TDP)
400 Watt
300 Watt
Texture fill rate
609.1
589.7
Memory type
HBM2e
GDDR6
Maximum RAM amount
80 GB
48 GB
Memory bus width
5120 Bit
384 Bit
Memory clock speed
3.2 GB/s
14.5 GB/s
Memory bandwidth
2,039 GB/s
695.8 GB/s
Display Connectors
No outputs
3x DisplayPort
DirectX
N/A
12 Ultimate (12_2)
CUDA
8.0
8.6
OpenCL
2.0
2.0
OpenGL
N/A
4.6
Shader Model
N/A
6.5
Vulkan
N/A
1.2