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Arctic Islands µarch
General Info
Arch Type	GPU
Designer	AMD
Manufacturer	GlobalFoundries
Introduction	2016
Process	14 nm, 16 nm
Succession
Volcanic Islands Vega

Arctic Islands (also known as GCN4 (Graphics core next 4th generation)) is a microarchitecture developed by AMD.

Codenames

• Arctic Islands - GPUs Family
• Polaris - GPUs Chipset
• Greenland - High-end GPUs

Family

Family	Chipset name	Microarchitecture	ISA	Product name
Southern Islands	Cape Verde, Pitcairn, Tahiti, Oland, Hainan	GCN1.0+	DCE 6.x	HD7750 - HD7970, R9 270, R9 280, R9 370X, R7 240, R7 250
Sea Islands	Bonaire, Kabini, Mullins, Kaveri, Hawaii	GCN2.x	DCE 8.x	HD7790, R7 260, R9 290, R7 360, R9 390
Volcanic Islands	Carrizo, Fiji, Stoney, Tonga, Topaz, Wani	GCN3.x	DCE 10/11.x	R9 285, R9 380/380X, R9 Fury, R9 Nano, R9 Fury X, Pro Duo
Arctic Islands	Polaris 10/11/12, 22 (Vega M)	GCN4.x	DCE 11.2	RX 460/470/480, RX 540/550/560/570/580/590, Pro WX 3200
Vega	Vega 10/11/12, 20	GCN5.x	DCE 12.x	RX Vega 56, RX Vega 64, Radeon Vega II, Radeon VII

Generation

AMD Radeon RX Vega M / 56 / 64 (7)

Name	Family	Bus	Memory	GPU Clock	Memory Clock	Cores / TMUs / ROPs	Release
Radeon RX Vega M GH	Polaris 22	IGP	4 GB / HBM2 / 1024 bit	1190 MHz	800 MHz	1536 / 96 / 64	Feb 1, 2018
Radeon RX Vega M GL	Polaris 22	IGP	4 GB / HBM2 / 1024 bit	1011 MHz	700 MHz	1280 / 80 / 32	Feb 1, 2018
Radeon Pro WX Vega M GL	Polaris 22	IGP	4 GB / HBM2 / 1024 bit	1011 MHz	700 MHz	1280 / 80 / 32	Apr 24, 2018
Radeon RX Vega 56	Vega 10	PCIe 3.0 x16	8 GB / HBM2 / 2048 bit	1471 MHz	800 MHz	3584 / 224 / 64	Aug 14, 2017
Radeon RX Vega 64 (LE)	Vega 10	PCIe 3.0 x16	8 GB / HBM2 / 2048 bit	1546 MHz	945 MHz	4096 / 256 / 64	Aug 7, 2017
Radeon RX Vega 64 (LC)	Vega 10	PCIe 3.0 x16	8 GB / HBM2 / 2048 bit	1677 MHz	945 MHz	4096 / 256 / 64	Aug 7, 2017
Radeon RX Vega Nano	Vega 10	PCIe 3.0 x16	8 GB / HBM2 / 2048 bit	1546 MHz	800 MHz	4096 / 256 / 64	2017