GeForce RTX 2080 and Radeon 660M - video card comparison
Passmark - benchmark score GeForce RTX 2080 vs Radeon 660M
GeForce RTX 2080
19364
Radeon 660M
6474
GeForce RTX 2080
Radeon 660M
Architecture
Turing (2018−2021)
RDNA 2 (2020−2022)
GPU code name
Turing TU104
RDNA 2 Rembrandt
Market segment
Desktop
Laptop
Release date
August 2018
January 2022
Interface
PCIe 3.0 x16
PCIe 4.0 x8
Supplementary power connectors
1x 6-pin + 1x 8-pin
None
Boost clock speed
1710 MHz
1900 MHz
Core clock speed
1515 MHz
-
Manufacturing process technology
12 nm
6 nm
Number of transistors
13,600 million
13,100 million
Pipelines / CUDA cores
2944
384
Power consumption (TDP)
215 Watt
45 Watt
Texture fill rate
314.6
45.60
Memory type
GDDR6
System Shared
Maximum RAM amount
8 GB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
14000 MHz
System Shared
Memory bandwidth
448.0 GB/s
-
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort, 1x USB Type-C
No outputs
HDMI
+
-
G-SYNC support
+
-
DirectX
12 Ultimate (12_1)
12 (12_1)
CUDA
7.5
-
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
6.5
6.5
Vulkan
1.2.131
1.2
VR Ready
+
-