Radeon RX 640 and Iris Xe Graphics G4 - video card comparison
Radeon RX 640
Iris Xe Graphics G4
Architecture
Polaris (2016−2019)
Generation 12.0 (2020)
GPU code name
Polaris 12
Tiger Lake GT1
Market segment
Laptop
Laptop
Release date
August 2019
September 2020
Interface
PCIe 3.0 x8
PCIe 3.0 x1
Supplementary power connectors
None
-
Boost clock speed
1218 MHz
1100 MHz
Core clock speed
1218 MHz
-
Manufacturing process technology
14 nm
10 nm
Number of transistors
2,200 million
-
Pipelines / CUDA cores
640
384
Power consumption (TDP)
50 Watt
15 Watt
Texture fill rate
38.98
52.80
Memory type
GDDR5
System Shared
Maximum RAM amount
4 GB
System Shared
Memory bus width
64 Bit
System Shared
Memory clock speed
6000 MHz
System Shared
Memory bandwidth
112.0 GB/s
-
Shared memory
-
+
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (12_0)
12 (12_1)
OpenCL
2.0
2.1
OpenGL
4.6
4.6
Shader Model
6.4
6.4
Vulkan
1.2.131
1.1
FreeSync
+
-
Quick Sync
-
+