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ProductNVIDIA DGX SparkApple Mac Studio (M3 Ultra)AMD Radeon AI PRO R9700NVIDIA ConnectX-7 400GbE/NDR adapter
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 GDDR6Ports: 1× OSFP
Spec 2Memory: 128 GB unified LPDDR5xChip: M3 UltraArchitecture: RDNA 4Speed: 400 Gb/s
Spec 3Storage: Up to 4 TB NVMeSoftware: MLX, llama.cppSoftware: ROCmInterface: PCIe 5.0 x16
PowerApprox. 240 W external PSU~480 W max~300 W~25 W
HostStandalone desktop; ConnectX-7 for pairing two unitsStandaloneWorkstation with PCIe 5.0 slotPCIe 5.0 x16 server slot; optics sold separately
WarrantyPer NVIDIA/OEM partner1 year (Apple)Per AMD/board partnerPer seller/partner