
Radeon 660M and GeForce RTX 4070 - video card comparison
Passmark - benchmark score Radeon 660M vs GeForce RTX 4070
Radeon 660M
6474
GeForce RTX 4070
27789
Radeon 660M
GeForce RTX 4070
Architecture
RDNA 2 (2020−2022)
Ada Lovelace
GPU code name
RDNA 2 Rembrandt
AD104
Market segment
Laptop
Desktop
Release date
January 2022
April 2023
Interface
PCIe 4.0 x8
PCIe 4.0 x16
Supplementary power connectors
None
1x 16-pin
Boost clock speed
1900 MHz
2475 MHz
Core clock speed
-
1920 MHz
Manufacturing process technology
6 nm
5 nm
Number of transistors
13,100 million
35,800 million
Pipelines / CUDA cores
384
5888
Power consumption (TDP)
45 Watt
200 Watt
Texture fill rate
45.60
455.4
Memory type
System Shared
GDDR6X
Maximum RAM amount
System Shared
12 GB
Memory bus width
System Shared
192 Bit
Memory clock speed
System Shared
21000 MHz
Memory bandwidth
-
504.2 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
-
+
DirectX
12 (12_1)
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
2.0
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.7
Vulkan
1.2
1.3