Radeon R9 M390X and Radeon 740M - video card comparison
Passmark - benchmark score Radeon R9 M390X vs Radeon 740M
Radeon R9 M390X
3705
Radeon 740M
3579
Radeon R9 M390X
Radeon 740M
Architecture
GCN 3 (2014−2016)
RDNA 3
GPU code name
Amethyst (XT) / Tonga
Phoenix
Market segment
Laptop
Laptop
Release date
June 2015
May 2023
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 4.0 x8
Supplementary power connectors
None
None
Boost clock speed
-
2500 MHz
Core clock speed
723 MHz
1500 MHz
Floating-point performance
2,961 gflops
-
Manufacturing process technology
28 nm
4 nm
Number of transistors
5,000 million
25,390 million
Pipelines / CUDA cores
2048
256
Power consumption (TDP)
100 Watt
30 Watt (30 - 15 Watt TGP)
Texture fill rate
92.54
40.00
Memory type
GDDR5
System Shared
Maximum RAM amount
4 GB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
-
System Shared
Memory bandwidth
160.0 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
Portable Device Dependent
Eyefinity
1
-
DirectX
DirectX® 12
12 Ultimate (12_2)
Mantle
+
-
OpenCL
Not Listed
2.1
OpenGL
4.4
4.6
Shader Model
6.3
6.7
Vulkan
+
1.3
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-