Radeon R7 Graphics and Radeon RX 6600M - video card comparison
Radeon R7 Graphics
Radeon RX 6600M
Architecture
GCN 2.0 (2013−2017)
RDNA 2 (2020−2022)
GPU code name
Spectre
R21M-E65-70
Market segment
Desktop
Laptop
Release date
January 2014
September 2020
Interface
IGP
PCIe 4.0 x8
Supplementary power connectors
-
None
Boost clock speed
980 MHz
2177 MHz
Core clock speed
686 MHz
2068 MHz
Floating-point performance
526.8 gflops
-
Manufacturing process technology
28 nm
7 nm
Number of transistors
2,410 million
11,060 million
Pipelines / CUDA cores
512
1792
Power consumption (TDP)
15 Watt
100 Watt (50 - 100 Watt TGP)
Texture fill rate
31.36
235.8
Memory type
System Shared
GDDR6
Maximum RAM amount
System Shared
8 GB
Memory bus width
System Shared
128 Bit
Memory clock speed
System Shared
14000 MHz
Memory bandwidth
-
256.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenCL
2.0
2.1
OpenGL
4.6
4.6
Shader Model
6.0
6.5
Vulkan
1.2.131
1.2