Radeon R7 Graphics and Radeon 660M - video card comparison
Radeon R7 Graphics
Radeon 660M
Architecture
GCN 2.0 (2013−2017)
RDNA 2 (2020−2022)
GPU code name
Spectre
RDNA 2 Rembrandt
Market segment
Desktop
Laptop
Release date
January 2014
January 2022
Interface
IGP
PCIe 4.0 x8
Supplementary power connectors
-
None
Boost clock speed
980 MHz
1900 MHz
Core clock speed
686 MHz
-
Floating-point performance
526.8 gflops
-
Manufacturing process technology
28 nm
6 nm
Number of transistors
2,410 million
13,100 million
Pipelines / CUDA cores
512
384
Power consumption (TDP)
15 Watt
45 Watt
Texture fill rate
31.36
45.60
Memory type
System Shared
System Shared
Maximum RAM amount
System Shared
System Shared
Memory bus width
System Shared
System Shared
Memory clock speed
System Shared
System Shared
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (12_0)
12 (12_1)
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.0
6.5
Vulkan
1.2.131
1.2