Specifications
	
		
			
Model
			
SAPPHIRE NITRO+ Radeon™ RX Vega 64 Limited Edition
			
SAPPHIRE NITRO+ Radeon™ RX Vega 56 Limited Edition
		
		
			
Memory
			
8 GB HBM2 2048-bit
			
8 GB HBM2 2048-bit
		
		
			
Stream processors
			
4096
			
3584
		
		
			
Compute units
			
64
			
56
		
		
			
Boost clock
			
1611 MHz
			
1572 MHz
		
		
			
Base clock
			
1423 MHz
			
1305 MHz
		
		
			
Memory clock
			
945 MHz (1890 MHz Effective)
			
800 MHz (1800 MHz Effective)
		
		
			
Cooling system
			
2x 92 mm dual-ball bearing fans running anticlockwise (left & right)			
 
			
1x 80 mm dual-ball bearing fan running clockwise (middle)
			
Nominal speed: 0~1500 RPM
			
Maximum: 3200 RPM
			
 
			
Main module:
			
Heat pipes (3x 8 mm + 3x 6 mm)
			
Vapor Chamber
			
 
			
VRM module:
			Heat pipes (2x 6 mm)
			CU base
			
			
2x 92 mm dual-ball bearing fans running anticlockwise (left & right)			
 
			
1x 80 mm dual-ball bearing fan running clockwise (middle)
			
Nominal speed: 0~1500 RPM
			
Maximum: 3200 RPM
			
 
			
Main module:
			
Heat pipes (3x 8 mm + 3x 6 mm)
			
Vapor Chamber
			
 
			
VRM module:
			Heat pipes (2x 6 mm)
			CU base
			
		
		
			
Outputs
			
2x HDMI 2.0b
			2x DisplayPort 1.4
			
2x HDMI 2.0b
			2x DisplayPort 1.4
		
		
			
Interface
			
PCI-Express 3.0
			
PCI-Express 3.0
		
		
			
Power Design
			
14 Phase Digital Power
			
14 Phase Digital Power
		
		
			
Power Connectors
			
3x 8-pin
			
3x 8-pin
		
		
			
PCB Layers
			
8
			
8
		
		
			
Board Dimensions
			
310 x 133 x 54 mm
			
310 x 133 x 54 mm
		
		
			
Special features
			
Dual UEFI Bios			
 
			
NITRO FanSafe and Fan Health Check
			
SAPPHIRE Quick Connect 2
			
Intelligent Fan Control III
			
Precision Fan Control
			
Black Diamond Chokes
			
NITRO Glow (RGB LED shroud, logo & backplate)
			
 
			
NITRO Gear Card Support Bracket included
			
			
Dual UEFI Bios			
 
			
NITRO FanSafe and Fan Health Check
			
SAPPHIRE Quick Connect 2
			
Intelligent Fan Control III
			
Precision Fan Control
			
Black Diamond Chokes
			
NITRO Glow (RGB LED shroud, logo & backplate)
			
 
			
NITRO Gear Card Support Bracket included
			
		
		
			
Technologies
			
DirectX 12, Vulkan 1.0, OpenGL 4.5, OpenCL 2.0, AMD FreeSync, AMD CrossFire XDMA (bridgeless), AMD Eyefinity, AMD LiquidVR
			
DirectX 12, Vulkan 1.0, OpenGL 4.5, OpenCL 2.0, AMD FreeSync, AMD CrossFire XDMA (bridgeless), AMD Eyefinity, AMD LiquidVR