Radeon R9 M390X and Radeon RX 540 - video card comparison
Passmark - benchmark score Radeon R9 M390X vs Radeon RX 540
Radeon R9 M390X
3705
Radeon RX 540
2872
Radeon R9 M390X
Radeon RX 540
Architecture
GCN 3 (2014−2016)
Polaris (2016−2019)
GPU code name
Amethyst (XT) / Tonga
Polaris 12
Market segment
Laptop
Laptop
Release date
June 2015
March 2017
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
1x 6-pin
Boost clock speed
-
1219 MHz
Core clock speed
723 MHz
-
Floating-point performance
2,961 gflops
1,248 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
5,000 million
1,500 million
Pipelines / CUDA cores
2048
512
Power consumption (TDP)
100 Watt
75 Watt
Texture fill rate
92.54
39.01
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
-
6000 MHz
Memory bandwidth
160.0 GB/s
96 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
Eyefinity
1
-
DirectX
DirectX® 12
12.0
Mantle
+
-
OpenCL
Not Listed
1.2
OpenGL
4.4
4.6
Shader Model
6.3
5.0
Vulkan
+
-
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
+
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-