GeForce RTX 3080 Mobile and Radeon 550X Mobile - video card comparison
GeForce RTX 3080 Mobile
Radeon 550X Mobile
Architecture
Ampere (2020−2022)
GCN 4.0 (2016−2020)
GPU code name
GN20-E7 GA104
Polaris 23
Market segment
Laptop
Laptop
Release date
January 2021
April 2018
Interface
PCIe 4.0 x16
PCIe 3.0 x8
Boost clock speed
1245 - 1710 MHz
1287 MHz
Core clock speed
780 - 1100 MHz
1100 MHz
Floating-point performance
-
1,647 gflops
Manufacturing process technology
8 nm
14 nm
Number of transistors
17,400 million
2,200 million
Pipelines / CUDA cores
6144
640
Power consumption (TDP)
150 Watt (80 - 150 Watt TGP)
50 Watt
Texture fill rate
296.6
51.48
Memory type
GDDR6
GDDR5
Maximum RAM amount
16 GB
4 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
14000 MHz
6000 MHz
Memory bandwidth
384.0 GB/s
48 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 Ultimate (12_2)
12 (12_0)
CUDA
8.6
-
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.5
6.4
Vulkan
1.2
1.2.131