Radeon RX 550 640SP and RTX A400 - video card comparison
Radeon RX 550 640SP
RTX A400
Architecture
GCN 4.0 (2016−2020)
Ampere (2020−2022)
GPU code name
Baffin
GA107
Market segment
Desktop
Desktop
Release date
October 2017
April 2024
Interface
PCIe 3.0 x8
PCIe 4.0 x8
Supplementary power connectors
None
None
Boost clock speed
1071 MHz
1762 MHz
Core clock speed
1019 MHz
-
Floating-point performance
1,371 gflops
-
Manufacturing process technology
14 nm
8 nm
Number of transistors
3,000 million
8,700 million
Pipelines / CUDA cores
640
768
Power consumption (TDP)
60 Watt
50 Watt
Texture fill rate
42.84
42.29
Memory type
GDDR5
GDDR6
Maximum RAM amount
2 GB
4 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
6000 MHz
12 GB/s
Memory bandwidth
96 GB/s
96 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
4x mini-DisplayPort 1.4a
HDMI
+
-
DirectX
12 (12_0)
12 Ultimate (12_2)
CUDA
-
8.6
OpenCL
2.0
3.0
OpenGL
4.6
4.6
Shader Model
6.4
6.7
Vulkan
1.2.131
1.3