Gainward GeForce RTX 3090 Phantom GS vs AMD Radeon RX 6800 XT

VS
Gainward GeForce RTX 3090 Phantom GS
Gainward GeForce RTX 3090 Phantom GS Image
AMD Radeon RX 6800 XT
AMD Radeon RX 6800 XT Image
Gainward GeForce RTX 3090 Phantom GS
AMD Radeon RX 6800 XT
Key Differences Key Differences Gainward GeForce RTX 3090 Phantom GS AMD Radeon RX 6800 XT
GPU Base Clock Speed 1395MHz 1487MHz
GPU Boost Clock Speed 1845MHz 2250MHz
Pixel Rate 206.6 GPixel/s 288 GPixel/s
GPU Memory Speed 1219MHz 2000MHz
GPU Render Output Units (ROPs) 112 128
No. of Supported Displays Not Known Not Known
Performance Performance Gainward GeForce RTX 3090 Phantom GS AMD Radeon RX 6800 XT
GPU Base Clock Speed 1395MHz 1487MHz
Pixel Rate 206.6 GPixel/s 288 GPixel/s
FLOPS (Floating-point Performance) 38.73 TFLOPS 20.74 TFLOPS
GPU Memory Speed 1219MHz 2000MHz
Texture Filter Rate 605.2 GTexels/s 648 GTexels/s
Total GPU Shading Units 10496 4608
Total GPU TMUs 328 288
GPU Boost Clock Speed 1845MHz 2250MHz
GPU Render Output Units (ROPs) 112 128
DPFP (Double Precision Floating Point) Support No No
Features Features Gainward GeForce RTX 3090 Phantom GS AMD Radeon RX 6800 XT
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
Ports Ports Gainward GeForce RTX 3090 Phantom GS AMD Radeon RX 6800 XT
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 2.1
DisplayPort Output 3 2
No. of HDMI Ports 1 1
DVI Output Ports 0 0
Mini DisplayPort Output 0 0
General info General info Gainward GeForce RTX 3090 Phantom GS AMD Radeon RX 6800 XT
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 28300 million 26800 million
Semiconductor Size 8nm 7nm
PCI Express Version 4 4
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 304mm 267mm
Height 136mm 120mm
Memory Memory Gainward GeForce RTX 3090 Phantom GS AMD Radeon RX 6800 XT
Effective Memory Clock 9750MHz 16000MHz
Max Memory Bandwidth 936GB/s 512GB/s
RAM 24GB 16GB
Memory Bus Interface Width 384bit 256bit
GDDR Memory Version 6 6
ECC (Error-Correcting Code) Memory Support No No

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