Radeon RX 560 XT and Radeon RX 640 - video card comparison
Radeon RX 560 XT
Radeon RX 640
Architecture
GCN 4.0 (2016−2020)
Polaris (2016−2019)
GPU code name
Ellesmere
Polaris 12
Market segment
Desktop
Laptop
Release date
March 2019
August 2019
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 6-pin
None
Boost clock speed
1073 MHz
1218 MHz
Core clock speed
973 MHz
1218 MHz
Manufacturing process technology
14 nm
14 nm
Number of transistors
5,700 million
2,200 million
Pipelines / CUDA cores
1792
640
Power consumption (TDP)
150 Watt
50 Watt
Texture fill rate
120.2
38.98
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
4 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
6600 MHz
6000 MHz
Memory bandwidth
211.2 GB/s
112.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
+
+
DirectX
12 (12_0)
12 (12_0)
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.4
6.4
Vulkan
1.2.131
1.2.131
FreeSync
-
+