
Radeon RX 550X and H100 SXM5 - video card comparison
Radeon RX 550X
H100 SXM5
Architecture
GCN 4.0 (2016−2020)
Hopper (2022)
GPU code name
Lexa
GH100
Market segment
Desktop
Desktop
Release date
December 2018
March 2022
Interface
PCIe 3.0 x8
PCIe 5.0 x16
Supplementary power connectors
None
8-pin EPS
Boost clock speed
1183 MHz
1780 MHz
Core clock speed
1100 MHz
-
Floating-point performance
1,211 gflops
-
Manufacturing process technology
14 nm
4 nm
Number of transistors
2,200 million
80,000 million
Pipelines / CUDA cores
512
8448
Power consumption (TDP)
50 Watt
700 Watt
Texture fill rate
37.86
939.8
Memory type
GDDR5
HBM3
Maximum RAM amount
4 GB
80 GB
Memory bus width
128 Bit
5120 Bit
Memory clock speed
6000 MHz
3 GB/s
Memory bandwidth
96 GB/s
1,920 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (12_0)
N/A
CUDA
-
9.0
OpenCL
2.0
3.0
OpenGL
4.6
N/A
Shader Model
6.4
N/A
Vulkan
1.2.131
N/A