AMD Radeon RX 550 vs AMD Radeon RX 550X

What is the difference between AMD Radeon RX 550 and AMD Radeon RX 550X. Find out which graphics card has better performance.

Radeon RX 550

Radeon RX 550X

Benchmarks

2760	PassMark G3D	2204
489	PassMark G2D	489

Graphics Processor (GPU)

Lexa	GPU Name	Lexa
Lexa PRO (215-0904018)	Model number	Lexa PRO (215-0904018)
GCN 4.0	Architecture	GCN 4.0
GlobalFoundries	Foundry	GlobalFoundries
14 nm	Process Size	14 nm
2,200 million	Transistors	2,200 million
103 mm²	Die Size	103 mm²

Graphics Card

Apr 20th, 2017	Release Date	Dec 16th, 2018
Polaris (RX 500)	Family	Polaris (RX 500X)
Active	Production	Active
Arctic Islands	Predecessor	Polaris
PCIe 3.0 x8	Bus Interface	PCIe 3.0 x8

Memory

2 GB	Memory Size	4 GB
GDDR5	Memory Type	GDDR5
128 bit	Memory Bus	128 bit
112.0 GB/s	Bandwidth	96.00 GB/s

Performance

18.93 GPixel/s	Pixel fillrate	18.93 GPixel/s
37.86 GTexel/s	Texture fillrate	37.86 GTexel/s
1,211 GFLOPS (1:1)	FP16 (half) performance	1,211 GFLOPS (1:1)
1,211 GFLOPS	FP32 (float) performance	1,211 GFLOPS
75.71 GFLOPS (1:16)	FP64 (double) performance	75.71 GFLOPS (1:16)

Clock Speeds

1100 MHz	Base Clock	1100 MHz
1183 MHz	Boost Clock	1183 MHz
1750 MHz 7 Gbps effective	Memory Clock	1500 MHz 6 Gbps effective

Render Config

512	Shading Units	512
32	TMUs	32
16	ROPs	16
8	Compute Units	8
16 KB (per CU)	L1 Cache	16 KB (per CU)
512 KB	L2 Cache	512 KB

Board Design

Dual-slot	Slot Width	Dual-slot
145 mm 5.7 inches	Length	145 mm 5.7 inches
50 W	Thermal design power (TDP)	50 W
250 W	Suggested PSU	250 W
1x DVI 1x HDMI 1x DisplayPort	Display Connectors	1x DVI 1x HDMI 1x DisplayPort
None	Power Connectors	None
D090-01	Board Number	D090

API support

12 (12_0)	DirectX	12 (12_0)
4.6	OpenGL	4.6
2.1	OpenCL	2.1
1.2	Vulkan	1.2
6.4	Shader Model	6.4