Radeon RX 640 and Radeon Vega 7 - video card comparison
Radeon RX 640
Radeon Vega 7
Architecture
Polaris (2016−2019)
GCN 5.1 (2018−2021)
GPU code name
Polaris 12
Cezanne
Market segment
Laptop
Desktop
Release date
August 2019
April 2021
Interface
PCIe 3.0 x8
IGP
Supplementary power connectors
None
None
Boost clock speed
1218 MHz
1900 MHz
Core clock speed
1218 MHz
-
Manufacturing process technology
14 nm
7 nm
Number of transistors
2,200 million
9,800 million
Pipelines / CUDA cores
640
448
Power consumption (TDP)
50 Watt
45 Watt
Texture fill rate
38.98
53.20
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
1.2
FreeSync
+
-