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ProductApple Mac Studio (M3 Ultra)NVIDIA GeForce RTX 4090NVIDIA RTX 6000 Ada GenerationAMD Radeon PRO W7900
TypeComplete systemStandalone componentStandalone componentStandalone component
PricePrice not verifiedPrice not verifiedPrice not verifiedPrice not verified
Price source checkedNot verifiedNot verifiedNot verifiedNot verified
ManufacturerAppleNVIDIANVIDIAAMD
Marketplace links0 exact listings · 6 searches0 exact listings · 6 searches0 exact listings · 6 searches0 exact listings · 6 searches
Spec 1Memory: Up to 512 GB unifiedMemory: 24 GB GDDR6XMemory: 48 GB GDDR6 ECCMemory: 48 GB GDDR6 ECC
Spec 2Chip: M3 UltraInterface: PCIe 4.0 x16Interface: PCIe 4.0 x16Interface: PCIe 4.0 x16
Spec 3Software: MLX, llama.cppTBP: 450 WPower: 300 WPower: 295 W
Power~480 W max450 W, 16-pin connector; 850 W PSU recommended300 W, 1× 16-pin295 W, 2× 8-pin
HostStandalonePCIe x16 slot; discontinued, mostly used/refurbished stockPCIe 4.0 x16 workstation slotPCIe x16; ROCm support varies by framework
Warranty1 year (Apple)Varies; often seller warranty on used units3 years (NVIDIA professional, via partner)3 years (AMD)