Radeon R9 M390X and Radeon R9 M380 - video card comparison
Passmark - benchmark score Radeon R9 M390X vs Radeon R9 M380
Radeon R9 M390X
3705
Radeon R9 M380
2845
Radeon R9 M390X
Radeon R9 M380
Architecture
GCN 3 (2014−2016)
GCN (2011−2017)
GPU code name
Amethyst (XT) / Tonga
Strato Pro GDDR5
Market segment
Laptop
Laptop
Release date
June 2015
June 2015
Bus support
PCIe 3.0
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
-
Boost clock speed
-
1000 MHz
Core clock speed
723 MHz
1000 MHz
Floating-point performance
2,961 gflops
1,536 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
5,000 million
2,080 million
Pipelines / CUDA cores
2048
768
Power consumption (TDP)
100 Watt
-
Texture fill rate
92.54
48.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
-
1500 MHz
Memory bandwidth
160.0 GB/s
96 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
Eyefinity
1
1
DirectX
DirectX® 12
DirectX® 12
Mantle
+
+
OpenCL
Not Listed
Not Listed
OpenGL
4.4
4.4
Shader Model
6.3
6.3
Vulkan
+
-
AppAcceleration
-
-
DualGraphics
1
1
Enduro
-
-
FreeSync
1
1
HD3D
+
+
PowerTune
+
+
Switchable graphics
1
1
TrueAudio
-
+
ZeroCore
+
+