Radeon R9 M390 and Iris Plus Graphics 640 - video card comparison
Radeon R9 M390
Iris Plus Graphics 640
Architecture
GCN (2011−2017)
Gen. 9.5 Kaby Lake (2015−2017)
GPU code name
Pitcairn
Kaby Lake GT3e
Market segment
Laptop
Laptop
Release date
June 2015
January 2017
Bus support
PCIe 3.0
-
Interface
-
PCIe 3.0 x1
Boost clock speed
-
1050 MHz
Core clock speed
-
300 MHz
Manufacturing process technology
28 nm
14 nm
Number of transistors
5000 Million
189 million
Pipelines / CUDA cores
1024
48
Power consumption (TDP)
-
15 Watt
Texture fill rate
-
52.80
Memory type
GDDR5
DDR3L/LPDDR3/DDR4
Maximum RAM amount
2 GB
32 GB
Memory bus width
256 Bit
64/128 Bit
Memory clock speed
-
System Shared
Shared memory
-
+
Display Connectors
-
No outputs
Eyefinity
1
-
DirectX
DirectX® 12
12 (12_1)
Mantle
+
-
OpenCL
Not Listed
2.1
OpenGL
4.4
4.6
Shader Model
-
6.4
Vulkan
-
1.1.103
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
PowerTune
+
-
Quick Sync
-
+
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-