Radeon RX Vega 8 (Ryzen 4000/5000) and Radeon R9 M390X - video card comparison
Radeon RX Vega 8 (Ryzen 4000/5000)
Radeon R9 M390X
Architecture
Vega (2017−2021)
GCN 3 (2014−2016)
GPU code name
Vega
Amethyst (XT) / Tonga
Market segment
Laptop
Laptop
Release date
January 2020
June 2015
Bus support
-
PCIe 3.0
Interface
-
PCIe 3.0 x16
Supplementary power connectors
-
None
Boost clock speed
2100 MHz
-
Core clock speed
-
723 MHz
Floating-point performance
-
2,961 gflops
Manufacturing process technology
7 nm
28 nm
Number of transistors
-
5,000 million
Pipelines / CUDA cores
512
2048
Power consumption (TDP)
15 Watt
100 Watt
Texture fill rate
-
92.54
Memory type
-
GDDR5
Maximum RAM amount
-
4 GB
Memory bus width
-
256 Bit
Memory bandwidth
-
160.0 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
Eyefinity
-
1
DirectX
12_1
DirectX® 12
Mantle
-
+
OpenCL
-
Not Listed
OpenGL
-
4.4
Shader Model
-
6.3
Vulkan
-
+
AppAcceleration
-
-
DualGraphics
-
1
Enduro
-
-
FreeSync
-
1
HD3D
-
+
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
-
ZeroCore
-
+