Radeon RX 6600M and Radeon RX 7900M - video card comparison
Passmark - benchmark score Radeon RX 6600M vs Radeon RX 7900M
Radeon RX 6600M
14089
Radeon RX 7900M
22929
Radeon RX 6600M
Radeon RX 7900M
Architecture
RDNA 2 (2020−2022)
RDNA 3
GPU code name
R21M-E65-70
Navi 31
Market segment
Laptop
Laptop
Release date
September 2020
October 2023
Interface
PCIe 4.0 x8
PCIe 4.0 x16
Supplementary power connectors
None
None
Boost clock speed
2177 MHz
2090 MHz
Core clock speed
2068 MHz
1825 MHz
Manufacturing process technology
7 nm
5 nm
Number of transistors
11,060 million
57,700 million
Pipelines / CUDA cores
1792
4608
Power consumption (TDP)
100 Watt (50 - 100 Watt TGP)
180 Watt (160 - 200 Watt TGP)
Texture fill rate
235.8
601.9
Memory type
GDDR6
GDDR6
Maximum RAM amount
8 GB
16 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
14000 MHz
18000 MHz
Memory bandwidth
256.0 GB/s
576.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
Portable Device Dependent
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenCL
2.1
2.2
OpenGL
4.6
4.6
Shader Model
6.5
6.7
Vulkan
1.2
1.3