Radeon RX 550 640SP and Radeon RX 640 OEM - video card comparison
Radeon RX 550 640SP
Radeon RX 640 OEM
Architecture
GCN 4.0 (2016−2020)
GCN 4.0 (2016−2020)
GPU code name
Baffin
Polaris 23
Market segment
Desktop
Desktop
Release date
October 2017
April 2020
Interface
PCIe 3.0 x8
PCIe 3.0 x8
Supplementary power connectors
None
None
Boost clock speed
1071 MHz
-
Core clock speed
1019 MHz
1295 MHz
Floating-point performance
1,371 gflops
-
Manufacturing process technology
14 nm
14 nm
Number of transistors
3,000 million
2,200 million
Pipelines / CUDA cores
640
640
Power consumption (TDP)
60 Watt
50 Watt
Texture fill rate
42.84
51.80
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
6000 MHz
6 GB/s
Memory bandwidth
96 GB/s
96 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DisplayPort 1.4a, 2x mini-DisplayPort 1.4a
HDMI
+
-
DirectX
12 (12_0)
12 (12_0)
OpenCL
2.0
2.1
OpenGL
4.6
4.6
Shader Model
6.4
6.7 (6.4)
Vulkan
1.2.131
1.3