
Radeon VII and RTX A40 - video card comparison
Radeon VII
RTX A40
Architecture
Vega (2017−2021)
Ampere (2020−2022)
GPU code name
Vega 20
GA102
Market segment
Desktop
Desktop
Release date
February 2019
October 2020
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
8-pin EPS
Boost clock speed
1750 MHz
1755 MHz
Core clock speed
1400 MHz
-
Manufacturing process technology
7 nm
8 nm
Number of transistors
13,230 million
28,300 million
Pipelines / CUDA cores
3840
10752
Power consumption (TDP)
295 Watt
300 Watt
Texture fill rate
420.0
589.7
Memory type
HBM2
GDDR6
Maximum RAM amount
16 GB
48 GB
Memory bus width
4096 Bit
384 Bit
Memory clock speed
1000 MHz
14.5 GB/s
Memory bandwidth
1024 GB/s
695.8 GB/s
Display Connectors
1x HDMI, 3x DisplayPort
3x DisplayPort
HDMI
+
-
DirectX
12 (12_1)
12 Ultimate (12_2)
CUDA
-
8.6
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.4
6.5
Vulkan
1.2.131
1.2