Gainward GeForce RTX 3090 Phantom GS vs Gigabyte Radeon RX 6800 XT Gaming OC

VS
Gainward GeForce RTX 3090 Phantom GS
Gainward GeForce RTX 3090 Phantom GS Image
Gigabyte Radeon RX 6800 XT Gaming OC
Gigabyte Radeon RX 6800 XT Gaming OC Image
Gainward GeForce RTX 3090 Phantom GS
Gigabyte Radeon RX 6800 XT Gaming OC
Key Differences Key Differences Gainward GeForce RTX 3090 Phantom GS Gigabyte Radeon RX 6800 XT Gaming OC
GPU Base Clock Speed 1395MHz 1850MHz
GPU Boost Clock Speed 1845MHz 2285MHz
Pixel Rate 206.6 GPixel/s 292.5 GPixel/s
GPU Memory Speed 1219MHz 2000MHz
GPU Render Output Units (ROPs) 112 128
No. of Supported Displays Not Known 4
Performance Performance Gainward GeForce RTX 3090 Phantom GS Gigabyte Radeon RX 6800 XT Gaming OC
GPU Base Clock Speed 1395MHz 1850MHz
Pixel Rate 206.6 GPixel/s 292.5 GPixel/s
FLOPS (Floating-point Performance) 38.73 TFLOPS 21.06 TFLOPS
GPU Memory Speed 1219MHz 2000MHz
Texture Filter Rate 605.2 GTexels/s 658.1 GTexels/s
Total GPU Shading Units 10496 4608
Total GPU TMUs 328 288
GPU Boost Clock Speed 1845MHz 2285MHz
GPU Render Output Units (ROPs) 112 128
DPFP (Double Precision Floating Point) Support No No
Features Features Gainward GeForce RTX 3090 Phantom GS Gigabyte Radeon RX 6800 XT Gaming OC
DirectX Version Info 12 12
OpenGL Driver Version 4.6 4.6
OpenCL Driver Version 2 2.1
Multi-display Tech Support Yes Yes
3D Support Yes Yes
Ray Tracing Support Yes Yes
No. of Supported Displays Not Known 4
Ports Ports Gainward GeForce RTX 3090 Phantom GS Gigabyte Radeon RX 6800 XT Gaming OC
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 2.1
DisplayPort Output 3 2
No. of HDMI Ports 1 2
DVI Output Ports 0 0
Mini DisplayPort Output 0 0
General info General info Gainward GeForce RTX 3090 Phantom GS Gigabyte Radeon RX 6800 XT Gaming OC
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 286mm
Height 136mm 118mm
Memory Memory Gainward GeForce RTX 3090 Phantom GS Gigabyte Radeon RX 6800 XT Gaming OC
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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