Sapphire Radeon Pro Duo vs HIS Radeon R9 390 IceQ X2 OC

VS
Sapphire Radeon Pro Duo
Sapphire Radeon Pro Duo Image
HIS Radeon R9 390 IceQ X2 OC
HIS Radeon R9 390 IceQ X2 OC Image
Sapphire Radeon Pro Duo
HIS Radeon R9 390 IceQ X2 OC
Key Differences Key Differences Sapphire Radeon Pro Duo HIS Radeon R9 390 IceQ X2 OC
GPU Base Clock Speed 1000MHz 1020MHz
GPU Boost Clock Speed Not Known Not Known
Pixel Rate 128 GPixel/s 65.3 GPixel/s
GPU Memory Speed 500MHz 1500MHz
GPU Render Output Units (ROPs) 128 64
No. of Supported Displays 4 6
Performance Performance Sapphire Radeon Pro Duo HIS Radeon R9 390 IceQ X2 OC
GPU Base Clock Speed 1000MHz 1020MHz
Pixel Rate 128 GPixel/s 65.3 GPixel/s
FLOPS (Floating-point Performance) 16.38 TFLOPS 5.22 TFLOPS
GPU Memory Speed 500MHz 1500MHz
Texture Filter Rate 512 GTexels/s 163.2 GTexels/s
Total GPU Shading Units 8192 2560
Total GPU TMUs 512 160
GPU Render Output Units (ROPs) 128 64
DPFP (Double Precision Floating Point) Support No No
Features Features Sapphire Radeon Pro Duo HIS Radeon R9 390 IceQ X2 OC
DirectX Version Info 12 12
OpenGL Driver Version 4.5 4.5
OpenCL Driver Version 2.1 2.1
Multi-display Tech Support Yes Yes
3D Support Yes Yes
No. of Supported Displays 4 6
Ray Tracing Support No No
Multi-GPU Support Count Not Known 4
Ports Ports Sapphire Radeon Pro Duo HIS Radeon R9 390 IceQ X2 OC
HDMI Output Support Yes Yes
DisplayPort Output 3 1
DVI Output Ports 0 2
Mini DisplayPort Output 0 0
General info General info Sapphire Radeon Pro Duo HIS Radeon R9 390 IceQ X2 OC
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 8900 million 6200 million
Semiconductor Size 28nm 28nm
PCI Express Version 3 3
Dual-GPU Support Yes No
Air-water Cooling Support Yes No
Width Size 278mm 297mm
Height 130mm 143mm
Memory Memory Sapphire Radeon Pro Duo HIS Radeon R9 390 IceQ X2 OC
Effective Memory Clock 1000MHz 6000MHz
Max Memory Bandwidth 1024GB/s 384GB/s
RAM 8GB 8GB
Memory Bus Interface Width 8192bit 512bit
GDDR Memory Version Not Known 5
ECC (Error-Correcting Code) Memory Support No No

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