GeForce RTX 3080 and Radeon 660M - video card comparison
Passmark - benchmark score GeForce RTX 3080 vs Radeon 660M
GeForce RTX 3080
26043
Radeon 660M
6474
GeForce RTX 3080
Radeon 660M
Architecture
Ampere (2020−2022)
RDNA 2 (2020−2022)
GPU code name
Ampere GA102
RDNA 2 Rembrandt
Market segment
Desktop
Laptop
Release date
September 2020
January 2022
Interface
PCIe 4.0 x16
PCIe 4.0 x8
Supplementary power connectors
1x 12-pin
None
Boost clock speed
1710 MHz
1900 MHz
Core clock speed
1450 MHz
-
Manufacturing process technology
8 nm
6 nm
Number of transistors
28,300 million
13,100 million
Pipelines / CUDA cores
8704
384
Power consumption (TDP)
320 Watt
45 Watt
Texture fill rate
465.1
45.60
Memory type
GDDR6X
System Shared
Maximum RAM amount
10 GB
System Shared
Memory bus width
320 Bit
System Shared
Memory clock speed
19000 MHz
System Shared
Memory bandwidth
760.3 GB/s
-
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
No outputs
HDMI
+
-
DirectX
12 Ultimate (12_2)
12 (12_1)
CUDA
8.5
-
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.5
6.5
Vulkan
1.2
1.2