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Radeon RX 550X

GCN 4.0 Radeon RX 500 Series Gaming Desktop GDDR5 2018

Key Metrics

Launch Date: 2018-12-16
Stream Processors: 512
Memory: 4 GB GDDR5
Memory Bandwidth: 96 GB/s
TDP/TBP: 50 W
Interface: PCIe 3.0 x8

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GPU Specs

What do these fields mean?

Identity
Entry Type	Reference GPU
Official Name	AMD Radeon RX 550X
Architecture	GCN 4.0
Launch Date	2018-12-16
Core Specs
GPU Die	Lexa
Chip Variant / Package	FCBGA-769
Process Node	GlobalFoundries 14 nm
Transistor Count	2.2 billion
Die Size	103 mm²
Stream Processors	512
TMUs	32
ROPs	16
Base Clock	1,100 MHz
Boost Clock	1,183 MHz
Pixel Fillrate	18.93 GP/s
Texture Fillrate	37.86 GT/s
FP32 Throughput	1.21 TFLOPS
FP16 Throughput	1.21 TFLOPS
FP64 Throughput	0.08 TFLOPS
Memory
Memory Size	4 GB
Memory Type	GDDR5
Memory Bus Width	128-bit
Memory Clock	1,500 MHz
Memory Bandwidth	96 GB/s
L2 Cache	0.5 MB
L1 Cache	16 KB
Board and Display
TDP / TBP	50 W
Recommended PSU	250 W
Interface	PCIe 3.0 x8
Display Outputs	1x DVI, 1x HDMI 2.0b, 1x DisplayPort 1.4a
Slot Width	Dual-slot
Card Length	145 mm
Software
Shader Model	6.7
DirectX Support	DirectX 12.0
Vulkan Support	Vulkan 1.3
OpenGL Support	OpenGL 4.6
OpenCL Support	OpenCL 2.1

Sources

Independent reference sources

TechPowerUp GPU SpecsOpen source