Radeon RX 550 and GeForce RTX 3080 Mobile - video card comparison
Radeon RX 550
GeForce RTX 3080 Mobile
Architecture
GCN 4.0 (2016−2020)
Ampere (2020−2022)
GPU code name
Lexa
GN20-E7 GA104
Market segment
Desktop
Laptop
Release date
April 2017
January 2021
Interface
PCIe 3.0 x8
PCIe 4.0 x16
Supplementary power connectors
None
-
Boost clock speed
1183 MHz
1245 - 1710 MHz
Core clock speed
1100 MHz
780 - 1100 MHz
Floating-point performance
1,211 gflops
-
Manufacturing process technology
14 nm
8 nm
Number of transistors
2,200 million
17,400 million
Pipelines / CUDA cores
512
6144
Power consumption (TDP)
50 Watt
150 Watt (80 - 150 Watt TGP)
Texture fill rate
37.86
296.6
Memory type
GDDR5
GDDR6
Maximum RAM amount
4 GB
16 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
7000 MHz
14000 MHz
Memory bandwidth
112.0 GB/s
384.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (12_0)
12 Ultimate (12_2)
CUDA
-
8.6
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.4
6.5
Vulkan
1.2.131
1.2