
Radeon RX 6600M and GeForce RTX 4070 Max-Q - video card comparison
Radeon RX 6600M
GeForce RTX 4070 Max-Q
Architecture
RDNA 2 (2020−2022)
Ada Lovelace
GPU code name
R21M-E65-70
AD106
Market segment
Laptop
Desktop
Release date
September 2020
January 2023
Interface
PCIe 4.0 x8
PCIe 4.0 x16
Supplementary power connectors
None
None
Boost clock speed
2177 MHz
1230 MHz
Core clock speed
2068 MHz
-
Manufacturing process technology
7 nm
4 nm
Number of transistors
11,060 million
-
Pipelines / CUDA cores
1792
4608
Power consumption (TDP)
100 Watt (50 - 100 Watt TGP)
35 Watt
Texture fill rate
235.8
177.1
Memory type
GDDR6
GDDR6
Maximum RAM amount
8 GB
8 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
14000 MHz
14 GB/s
Memory bandwidth
256.0 GB/s
224.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
Portable Device Dependent
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
2.1
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.7
Vulkan
1.2
1.3