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Radeon R9 390 X2

GCN 2.0 Radeon R Series Gaming Desktop GDDR5 2015

Key Metrics

Launch Date: 2015-09-03
Stream Processors: 2,560
Memory: 8 GB GDDR5
Memory Bandwidth: 345.6 GB/s
TDP/TBP: 580 W
Interface: PCIe 3.0 x16

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GPU Specs

What do these fields mean?

Identity
Entry Type	Reference GPU
Official Name	AMD Radeon R9 390 X2
Architecture	GCN 2.0
Launch Date	2015-09-03
Core Specs
GPU Die	Grenada
Process Node	TSMC 28 nm
Transistor Count	6.2 billion
Die Size	438 mm²
Stream Processors	2560
TMUs	160
ROPs	64
Base Clock	1,000 MHz
Boost Clock	1,000 MHz
Pixel Fillrate	64 GP/s
Texture Fillrate	160 GT/s
FP32 Throughput	5.12 TFLOPS
FP64 Throughput	0.64 TFLOPS
Memory
Memory Size	8 GB
Memory Type	GDDR5
Memory Bus Width	512-bit
Memory Clock	1,350 MHz
Memory Bandwidth	345.6 GB/s
L2 Cache	1 MB
L1 Cache	16 KB
Board and Display
TDP / TBP	580 W
Recommended PSU	950 W
Interface	PCIe 3.0 x16
Display Outputs	2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
Slot Width	Triple-slot
Software
Shader Model	6.5
DirectX Support	DirectX 12.0
Vulkan Support	Vulkan 1.2
OpenGL Support	OpenGL 4.6
OpenCL Support	OpenCL 2.1

Sources

Independent reference sources

TechPowerUp GPU SpecsOpen source