AMD Radeon RX 6900 XT vs Gainward GeForce RTX 3080 Phantom

VS
AMD Radeon RX 6900 XT
AMD Radeon RX 6900 XT Image
Gainward GeForce RTX 3080 Phantom
Gainward GeForce RTX 3080 Phantom Image
AMD Radeon RX 6900 XT
Gainward GeForce RTX 3080 Phantom
Key Differences Key Differences AMD Radeon RX 6900 XT Gainward GeForce RTX 3080 Phantom
GPU Base Clock Speed 1529MHz 1440MHz
GPU Boost Clock Speed 2250MHz 1755MHz
Pixel Rate 288 GPixel/s 168.5 GPixel/s
GPU Memory Speed 2000MHz 1188MHz
GPU Render Output Units (ROPs) 128 96
No. of Supported Displays Not Known Not Known
Performance Performance AMD Radeon RX 6900 XT Gainward GeForce RTX 3080 Phantom
GPU Base Clock Speed 1529MHz 1440MHz
Pixel Rate 288 GPixel/s 168.5 GPixel/s
FLOPS (Floating-point Performance) 23.04 TFLOPS 30.55 TFLOPS
Texture Filter Rate 720 GTexels/s 477.4 GTexels/s
GPU Memory Speed 2000MHz 1188MHz
Total GPU Shading Units 5120 8704
Total GPU TMUs 320 272
GPU Boost Clock Speed 2250MHz 1755MHz
GPU Render Output Units (ROPs) 128 96
DPFP (Double Precision Floating Point) Support No No
Features Features AMD Radeon RX 6900 XT Gainward GeForce RTX 3080 Phantom
DirectX Version Info 12 12
OpenGL Driver Version 4.6 4.6
OpenCL Driver Version 2 2
Multi-display Tech Support Yes Yes
3D Support Yes Yes
Ray Tracing Support Yes Yes
Miscellaneous Miscellaneous AMD Radeon RX 6900 XT Gainward GeForce RTX 3080 Phantom
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports AMD Radeon RX 6900 XT Gainward GeForce RTX 3080 Phantom
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 2.1
DisplayPort Output 2 3
No. of HDMI Ports 1 1
DVI Output Ports 0 0
Mini DisplayPort Output 0 0
General info General info AMD Radeon RX 6900 XT Gainward GeForce RTX 3080 Phantom
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 26800 million 28300 million
Semiconductor Size 7nm 8nm
PCI Express Version 4 4
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 267mm 304mm
Height 120mm 136mm
Warranty 2 Not Known
Memory Memory AMD Radeon RX 6900 XT Gainward GeForce RTX 3080 Phantom
Effective Memory Clock 16000MHz 19000MHz
Max Memory Bandwidth 512GB/s 760GB/s
RAM 16GB 10GB
Memory Bus Interface Width 256bit 320bit
GDDR Memory Version 6 6
ECC (Error-Correcting Code) Memory Support No No

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