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ProductNVIDIA DGX SparkApple Mac Studio (M3 Ultra)AMD Radeon AI PRO R9700NVIDIA RTX A4000
TypeComplete systemComplete systemStandalone componentStandalone component
PricePrice not verifiedPrice not verifiedPrice not verifiedPrice not verified
Price source checkedNot verifiedNot verifiedNot verifiedNot verified
ManufacturerNVIDIAAppleAMDNVIDIA
Marketplace links0 exact listings · 6 searches0 exact listings · 6 searches0 exact listings · 6 searches0 exact listings · 6 searches
Spec 1Superchip: GB10 Grace BlackwellMemory: Up to 512 GB unifiedMemory: 32 GB GDDR6Memory: 16 GB GDDR6 ECC
Spec 2Memory: 128 GB unified LPDDR5xChip: M3 UltraArchitecture: RDNA 4Interface: PCIe 4.0 x16
Spec 3Storage: Up to 4 TB NVMeSoftware: MLX, llama.cppSoftware: ROCmPower: 140 W
PowerApprox. 240 W external PSU~480 W max~300 W140 W, 1× 6-pin
HostStandalone desktop; ConnectX-7 for pairing two unitsStandaloneWorkstation with PCIe 5.0 slotPCIe x16 slot
WarrantyPer NVIDIA/OEM partner1 year (Apple)Per AMD/board partner3 years (via partner)