Radeon 540 and RTX A40 - video card comparison
Radeon 540
RTX A40
Architecture
GCN 4.0 (2016−2020)
Ampere (2020−2022)
GPU code name
Lexa
GA102
Market segment
Desktop
Desktop
Release date
April 2017
October 2020
Interface
PCIe 3.0 x8
PCIe 4.0 x16
Supplementary power connectors
None
8-pin EPS
Boost clock speed
1124 MHz
1755 MHz
Core clock speed
1183 MHz
-
Manufacturing process technology
14 nm
8 nm
Number of transistors
2,200 million
28,300 million
Pipelines / CUDA cores
384
10752
Power consumption (TDP)
50 Watt
300 Watt
Texture fill rate
28.39
589.7
Memory type
GDDR5
GDDR6
Maximum RAM amount
1 GB
48 GB
Memory bus width
32 Bit
384 Bit
Memory clock speed
6 GB/s
14.5 GB/s
Memory bandwidth
24 GB/s
695.8 GB/s
Display Connectors
2x DisplayPort 1.4a
3x DisplayPort
DirectX
12 (12_0)
12 Ultimate (12_2)
CUDA
-
8.6
OpenCL
2.1
2.0
OpenGL
4.6
4.6
Shader Model
6.7
6.5
Vulkan
1.3
1.2