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ProductNVIDIA GeForce RTX 4090NVIDIA RTX 6000 Ada GenerationNVIDIA RTX A4000AMD Radeon PRO W7900
TypeStandalone componentStandalone componentStandalone componentStandalone component
PriceList $1,599List $6,800List $1,000List $3,999
ManufacturerNVIDIANVIDIANVIDIAAMD
Offers6 marketplaces6 marketplaces6 marketplaces6 marketplaces
Spec 1Memory: 24 GB GDDR6XMemory: 48 GB GDDR6 ECCMemory: 16 GB GDDR6 ECCMemory: 48 GB GDDR6 ECC
Spec 2Interface: PCIe 4.0 x16Interface: PCIe 4.0 x16Interface: PCIe 4.0 x16Interface: PCIe 4.0 x16
Spec 3TBP: 450 WPower: 300 WPower: 140 WPower: 295 W
Power450 W, 16-pin connector; 850 W PSU recommended300 W, 1× 16-pin140 W, 1× 6-pin295 W, 2× 8-pin
HostPCIe x16 slot; discontinued, mostly used/refurbished stockPCIe 4.0 x16 workstation slotPCIe x16 slotPCIe x16; ROCm support varies by framework
WarrantyVaries; often seller warranty on used units3 years (NVIDIA professional, via partner)3 years (via partner)3 years (AMD)