
Radeon RX 560 XT and Radeon 660M - video card comparison
Radeon RX 560 XT
Radeon 660M
Architecture
GCN 4.0 (2016−2020)
RDNA 2 (2020−2022)
GPU code name
Ellesmere
RDNA 2 Rembrandt
Market segment
Desktop
Laptop
Release date
March 2019
January 2022
Interface
PCIe 3.0 x16
PCIe 4.0 x8
Supplementary power connectors
1x 6-pin
None
Boost clock speed
1073 MHz
1900 MHz
Core clock speed
973 MHz
-
Manufacturing process technology
14 nm
6 nm
Number of transistors
5,700 million
13,100 million
Pipelines / CUDA cores
1792
384
Power consumption (TDP)
150 Watt
45 Watt
Texture fill rate
120.2
45.60
Memory type
GDDR5
System Shared
Maximum RAM amount
4 GB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
6600 MHz
System Shared
Memory bandwidth
211.2 GB/s
-
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (12_0)
12 (12_1)
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.4
6.5
Vulkan
1.2.131
1.2