Radeon RX 550 640SP and T400 - video card comparison
Radeon RX 550 640SP
T400
Architecture
GCN 4.0 (2016−2020)
Turing (2018−2021)
GPU code name
Baffin
TU117
Market segment
Desktop
Desktop
Release date
October 2017
May 2021
Interface
PCIe 3.0 x8
PCIe 3.0 x16
Supplementary power connectors
None
None
Boost clock speed
1071 MHz
1425 MHz
Core clock speed
1019 MHz
-
Floating-point performance
1,371 gflops
-
Manufacturing process technology
14 nm
12 nm
Number of transistors
3,000 million
4,700 million
Pipelines / CUDA cores
640
384
Power consumption (TDP)
60 Watt
30 Watt
Texture fill rate
42.84
34.20
Memory type
GDDR5
GDDR6
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
6000 MHz
10 GB/s
Memory bandwidth
96 GB/s
80 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
3x mini-DisplayPort
HDMI
+
-
DirectX
12 (12_0)
12 (12_1)
CUDA
-
7.5
OpenCL
2.0
3.0
OpenGL
4.6
4.6
Shader Model
6.4
6.6
Vulkan
1.2.131
1.2