AMD Radeon 520 vs AMD Radeon RX 550X 8CU Full Specs - HMC

320 Shaders 1.03GHz	512 Shaders 1.29GHz
1GB GDDR536GB/s	2GB GDDR5112GB/s
·· 659.2 GFLOPS	·· 1.32 TFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP -	TDP 50W

Clock Speed ··	Clock Speed ···
Peak OPS 659.2 GFLOPSFP32	Peak OPS 1.32 TFLOPSFP16
FP32 659.2 GFLOPS	FP32 1.32 TFLOPS
FP64 41.2 GFLOPS	FP64 82.37 GFLOPS
Pixel Rate 4.1 GPixel/s	Pixel Rate 20.6 GPixel/s
Texture Rate 20.6 GTexel/s	Texture Rate 41.2 GTexel/s

Shaders 320 Shaders	Shaders 512 Shaders
TMUs 20 TMUs	TMUs 32 TMUs
ROPs 4 ROPs	ROPs 16 ROPs
CUs 5 CUs	CUs 8 CUs

Base Clock -	Base Clock 1.1GHz
Boost Clock 1.03GHz	Boost Clock 1.29GHz

L2 Cache

128KB shared

L2 Cache

512KB shared

1GB GDDR5	2GB GDDR5
Memory Bus 64-bit	Memory Bus 128-bit
Memory Speed 4.5GT/s	Memory Speed 7GT/s
Memory Bandwidth 36GB/s	Memory Bandwidth 112GB/s
ECC No	ECC No

TDP

-

TDP

50W

Multi-Monitor 3	Multi-Monitor 3
HDCP HDCP 1.4	HDCP HDCP 2.2

1x DisplayPort 1.2

-

1x DVI-I Dual-Link

1x DisplayPort 1.4

1x HDMI 2.0

1x DVI-D Dual-Link

-	Encoder Model VCE 3.4
Codec -	Codec AVC (H.264) HEVC (H.265)

-	Decoder Model UVD 6.3
Codec -	Codec MPEG-1 MPEG-2 MPEG-4 JPEG VC-1 AVC (H.264) HEVC (H.265)

Form Factor PCIe Card	Form Factor PCIe Card
PCIe 1-Slots	PCIe 2-Slots
-	Height 110 mm (4.33") Width 145 mm (5.71") Depth 37 mm (1.46")
Cooling Open-Air 1x Fan	Cooling Open-Air 1x Fan

Manufacturer AMD	Manufacturer AMD
Chip Designer AMD	Chip Designer AMD
Architecture GCN 1	Architecture GCN 4
Family Radeon RX 500	Family Radeon RX 500
Branding	Branding
Codename Hainan	Codename Lexa
Chip Variant Banks Pro	Chip Variant Polaris 12 XL
Market Segment Desktop	Market Segment Desktop
Release Date Apr 18, 2017	Release Date Apr 11, 2018

Foundry TSMC	Foundry GlobalFoundries
Fabrication Node 28nm	Fabrication Node 14LPP
Die Size 56mm²	Die Size 103mm²
Transistor Count 690 Million	Transistor Count 2.2 Billion
Transistor Density 12.32 MTr/mm²	Transistor Density 21.36 MTr/mm²