
Radeon R9 M390 and Radeon RX 6550S - video card comparison
Radeon R9 M390
Radeon RX 6550S
Architecture
GCN (2011−2017)
RDNA 2 (2020−2022)
GPU code name
Pitcairn
Navi 24
Market segment
Laptop
Laptop
Release date
June 2015
January 2023
Bus support
PCIe 3.0
-
Interface
-
PCIe 4.0 x4
Supplementary power connectors
-
None
Boost clock speed
-
2170 MHz
Manufacturing process technology
28 nm
6 nm
Number of transistors
5000 Million
5,400 million
Pipelines / CUDA cores
1024
1024
Power consumption (TDP)
-
50 Watt (35 - 50 Watt TGP)
Texture fill rate
-
153.6
Memory type
GDDR5
GDDR6
Maximum RAM amount
2 GB
4 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
-
16000 MHz
Memory bandwidth
-
128.0 GB/s
Shared memory
-
-
Display Connectors
-
Portable Device Dependent
Eyefinity
1
-
DirectX
DirectX® 12
12 Ultimate (12_2)
Mantle
+
-
OpenCL
Not Listed
2.2
OpenGL
4.4
4.6
Shader Model
-
6.7
Vulkan
-
1.3
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-