A40 PCIe and GeForce RTX 4080 SUPER - video card comparison
A40 PCIe
GeForce RTX 4080 SUPER
Architecture
Ampere (2020−2022)
Ada Lovelace
GPU code name
GA102
AD103-400-A1
Market segment
Desktop
Desktop
Release date
October 2020
January 2024
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
8-pin EPS
1x 16-pin
Boost clock speed
1755 MHz
2550 MHz
Core clock speed
-
2295 MHz
Manufacturing process technology
8 nm
5 nm
Number of transistors
28,300 million
45,900 million
Pipelines / CUDA cores
10752
10240
Power consumption (TDP)
300 Watt
320 Watt
Texture fill rate
589.7
816.0
Memory type
GDDR6
GDDR6X
Maximum RAM amount
48 GB
16 GB
Memory bus width
384 Bit
256 Bit
Memory clock speed
14.5 GB/s
23000 MHz
Memory bandwidth
695.8 GB/s
716.8 GB/s
Shared memory
-
-
Display Connectors
3x DisplayPort
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
-
+
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
8.6
8.9
OpenCL
2.0
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.7
Vulkan
1.2
1.3