Radeon RX 540 and Radeon 660M - video card comparison
Passmark - benchmark score Radeon RX 540 vs Radeon 660M
Radeon RX 540
2872
Radeon 660M
6474
Radeon RX 540
Radeon 660M
Architecture
Polaris (2016−2019)
RDNA 2 (2020−2022)
GPU code name
Polaris 12
RDNA 2 Rembrandt
Market segment
Laptop
Laptop
Release date
March 2017
January 2022
Interface
PCIe 3.0 x16
PCIe 4.0 x8
Supplementary power connectors
1x 6-pin
None
Boost clock speed
1219 MHz
1900 MHz
Floating-point performance
1,248 gflops
-
Manufacturing process technology
14 nm
6 nm
Number of transistors
1,500 million
13,100 million
Pipelines / CUDA cores
512
384
Power consumption (TDP)
75 Watt
45 Watt
Texture fill rate
39.01
45.60
Memory type
GDDR5
System Shared
Maximum RAM amount
4 GB
System Shared
Memory bus width
128 Bit
System Shared
Memory clock speed
6000 MHz
System Shared
Memory bandwidth
96 GB/s
-
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12.0
12 (12_1)
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
5.0
6.5
Vulkan
-
1.2
FreeSync
+
-