
Radeon VII and GM20B - video card comparison
Radeon VII
GM20B
Architecture
Vega (2017−2021)
Maxwell 2.0 (2015−2019)
GPU code name
Vega 20
GM20B
Market segment
Desktop
Desktop
Release date
February 2019
-
Interface
PCIe 3.0 x16
-
Supplementary power connectors
2x 8-pin
-
Boost clock speed
1750 MHz
-
Core clock speed
1400 MHz
-
Manufacturing process technology
7 nm
20 nm
Number of transistors
13,230 million
2,000 million
Pipelines / CUDA cores
3840
256
Power consumption (TDP)
295 Watt
-
Texture fill rate
420.0
-
Memory type
HBM2
-
Maximum RAM amount
16 GB
-
Memory bus width
4096 Bit
-
Memory clock speed
1000 MHz
-
Memory bandwidth
1024 GB/s
-
Display Connectors
1x HDMI, 3x DisplayPort
-
HDMI
+
-
DirectX
12 (12_1)
12 (12_1)
CUDA
-
5.3
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.4
6.0
Vulkan
1.2.131
1.1
PureVideo HD
-
VP9