AMD Radeon 550X 640SP videocard review

Radeon 550X 640SP videocard released by AMD; release date: 11 April 2018. The videocard is designed for desktop-computers and based on GCN 4.0 microarchitecture codenamed Lexa.

Core clock speed - 1019 MHz. Boost clock speed - 1071 MHz. Texture fill rate - 42.84 GTexel / s. Pipelines - 640. Floating-point performance - 1,371 gflops. Manufacturing process technology - 14 nm. Transistors count - 2,200 million. Power consumption (TDP) - 50 Watt.

Memory type: GDDR5. Maximum RAM amount - 4 GB. Memory bus width - 64 Bit. Memory clock speed - 6000 MHz. Memory bandwidth - 48 GB / s.

Specifications (specs)

Essentials
Architecture	GCN 4.0
Code name	Lexa
Launch date	11 April 2018
Place in performance rating	not rated
Type	Desktop
Technical info
Boost clock speed	1071 MHz
Core clock speed	1019 MHz
Floating-point performance	1,371 gflops
Manufacturing process technology	14 nm
Pipelines	640
Texture fill rate	42.84 GTexel / s
Thermal Design Power (TDP)	50 Watt
Transistor count	2,200 million

Video outputs and ports
Display Connectors	1x DVI, 1x HDMI, 1x DisplayPort
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x8
Supplementary power connectors	None
API support
DirectX	12.0 (12_0)
OpenGL	4.5
Memory
Maximum RAM amount	4 GB
Memory bandwidth	48 GB / s
Memory bus width	64 Bit
Memory clock speed	6000 MHz
Memory type	GDDR5