Radeon RX 640 and T550 Mobile - video card comparison
Radeon RX 640
T550 Mobile
Architecture
Polaris (2016−2019)
Turing (2018−2021)
GPU code name
Polaris 12
TU117
Market segment
Laptop
Laptop
Release date
August 2019
May 2022
Interface
PCIe 3.0 x8
PCIe 3.0 x16
Supplementary power connectors
None
-
Boost clock speed
1218 MHz
1665 MHz
Core clock speed
1218 MHz
1065 MHz
Manufacturing process technology
14 nm
12 nm
Number of transistors
2,200 million
4,700 million
Pipelines / CUDA cores
640
1024
Power consumption (TDP)
50 Watt
25 Watt (20 - 60 Watt TGP)
Texture fill rate
38.98
106.6
Memory type
GDDR5
GDDR5, GDDR6
Maximum RAM amount
4 GB
4 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
6000 MHz
12000 MHz
Memory bandwidth
112.0 GB/s
96 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (12_0)
12 (12_1)
CUDA
-
7.5
OpenCL
2.0
3.0
OpenGL
4.6
4.6
Shader Model
6.4
6.6
Vulkan
1.2.131
1.3
FreeSync
+
-