Radeon R9 M390X and Radeon R9 M375X - video card comparison
Passmark - benchmark score Radeon R9 M390X vs Radeon R9 M375X
Radeon R9 M390X
3705
Radeon R9 M375X
1779
Radeon R9 M390X
Radeon R9 M375X
Architecture
GCN 3 (2014−2016)
GCN 1.0 (2012−2020)
GPU code name
Amethyst (XT) / Tonga
Tropo
Market segment
Laptop
Desktop
Release date
June 2015
May 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
-
1015 MHz
Compute units
-
10
Core clock speed
723 MHz
925 MHz
Floating-point performance
2,961 gflops
1,299 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
5,000 million
1,500 million
Pipelines / CUDA cores
2048
640
Power consumption (TDP)
100 Watt
-
Texture fill rate
92.54
40.60
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
-
1125 MHz
Memory bandwidth
160.0 GB/s
72 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
5.1
Vulkan
+
-
AppAcceleration
-
-
DualGraphics
1
1
Enduro
-
-
FreeSync
1
1
HD3D
+
+
PowerTune
+
+
Switchable graphics
1
1
TrueAudio
-
-
ZeroCore
+
+