GeForce RTX 3070 Max-Q and Radeon 660M - video card comparison
GeForce RTX 3070 Max-Q
Radeon 660M
Architecture
Ampere (2020−2022)
RDNA 2 (2020−2022)
GPU code name
GN20-E5 GA104
RDNA 2 Rembrandt
Market segment
Laptop
Laptop
Release date
January 2021
January 2022
Interface
PCIe 4.0 x16
PCIe 4.0 x8
Supplementary power connectors
None
None
Boost clock speed
1290 MHz
1900 MHz
Manufacturing process technology
8 nm
6 nm
Number of transistors
17,400 million
13,100 million
Pipelines / CUDA cores
5120
384
Power consumption (TDP)
80 Watt
45 Watt
Texture fill rate
237.4
45.60
Memory type
GDDR6
System Shared
Maximum RAM amount
8 GB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
12 GB/s
System Shared
Memory bandwidth
320.0 GB/s
-
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
No outputs
HDMI
+
-
DirectX
12 Ultimate (12_2)
12 (12_1)
CUDA
8.6
-
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.5
6.5
Vulkan
1.2
1.2