RTX A40 and GeForce RTX 4080 Ti - video card comparison
RTX A40
GeForce RTX 4080 Ti
Architecture
Ampere (2020−2022)
Ada Lovelace
GPU code name
GA102
AD102
Market segment
Desktop
Desktop
Release date
October 2020
2023
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
8-pin EPS
1x 16-pin
Boost clock speed
1755 MHz
2610 MHz
Manufacturing process technology
8 nm
5 nm
Number of transistors
28,300 million
76,300 million
Pipelines / CUDA cores
10752
14080
Power consumption (TDP)
300 Watt
400 Watt
Texture fill rate
589.7
1,148
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
21.2 GB/s
Memory bandwidth
695.8 GB/s
678.4 GB/s
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