Gainward GeForce RTX 3080 Phantom vs Gigabyte Radeon R9 390 WindForce 2X

VS
Gainward GeForce RTX 3080 Phantom
Gainward GeForce RTX 3080 Phantom Image
Gigabyte Radeon R9 390 WindForce 2X
Gigabyte Radeon R9 390 WindForce 2X Image
Gainward GeForce RTX 3080 Phantom
Gigabyte Radeon R9 390 WindForce 2X
Key Differences Key Differences Gainward GeForce RTX 3080 Phantom Gigabyte Radeon R9 390 WindForce 2X
GPU Base Clock Speed 1440MHz 1000MHz
GPU Boost Clock Speed 1755MHz Not Known
Pixel Rate 168.5 GPixel/s Not Known
GPU Memory Speed 1188MHz Not Known
GPU Render Output Units (ROPs) 96 64
No. of Supported Displays Not Known 4
Performance Performance Gainward GeForce RTX 3080 Phantom Gigabyte Radeon R9 390 WindForce 2X
GPU Base Clock Speed 1440MHz 1000MHz
Pixel Rate 168.5 GPixel/s Not Known
FLOPS (Floating-point Performance) 30.55 TFLOPS Not Known
GPU Memory Speed 1188MHz Not Known
Texture Filter Rate 477.4 GTexels/s Not Known
Total GPU Shading Units 8704 2560
Total GPU TMUs 272 160
GPU Boost Clock Speed 1755MHz Not Known
GPU Render Output Units (ROPs) 96 64
DPFP (Double Precision Floating Point) Support No No
Features Features Gainward GeForce RTX 3080 Phantom Gigabyte Radeon R9 390 WindForce 2X
DirectX Version Info 12 12
OpenGL Driver Version 4.6 4.5
OpenCL Driver Version 2 2.1
Multi-display Tech Support Yes Yes
3D Support Yes Yes
Ray Tracing Support Yes No
No. of Supported Displays Not Known 4
Ports Ports Gainward GeForce RTX 3080 Phantom Gigabyte Radeon R9 390 WindForce 2X
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 Not Known
DisplayPort Output 3 1
No. of HDMI Ports 1 Not Known
DVI Output Ports 0 2
Mini DisplayPort Output 0 0
General info General info Gainward GeForce RTX 3080 Phantom Gigabyte Radeon R9 390 WindForce 2X
TDP (Thermal Design Point) No Data Found Not Known
Transistor Count 28300 million No Data Found
Semiconductor Size 8nm 28nm
PCI Express Version 4 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 304mm 243mm
Height 136mm 114mm
Memory Memory Gainward GeForce RTX 3080 Phantom Gigabyte Radeon R9 390 WindForce 2X
Effective Memory Clock 19000MHz 6000MHz
Max Memory Bandwidth 760GB/s Not Known
RAM 10GB 8GB
Memory Bus Interface Width 320bit 512bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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