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ASRock B850I Lightning WiFi vs ASUS ROG Maximus Z890 Extreme: Comparison

ASRock B850I Lightning WiFi and ASUS ROG Maximus Z890 Extreme differ on memory: ASRock B850I Lightning WiFi at 2x DDR5, up to 128GB, 8200+ MT/s (OC), ASUS ROG Maximus Z890 Extreme at 4x DDR5 DIMM (CUDIMM), up to 256GB, up to 9200+ MT/s (OC), which puts ASUS ROG Maximus Z890 Extreme ahead on that measure.

ASRock B850I Lightning WiFi (AM5/AMD B850/Mini-ITX/10+1+1 110A SPS/8-Layer PCB)
ASRockASRock B850I Lightning WiFi
ASUS ROG Maximus Z890 Extreme (LGA1851/Intel Z890/E-ATX/Six M.2 Slots/Dual 2.5G+10G LAN/Wi-Fi 7)
ASUSASUS ROG Maximus Z890 Extreme

Specs

Specification
ASRock B850I Lightning WiFi (AM5/AMD B850/Mini-ITX/10+1+1 110A SPS/8-Layer PCB)
ASRock B850I Lightning WiFi
ASUS ROG Maximus Z890 Extreme (LGA1851/Intel Z890/E-ATX/Six M.2 Slots/Dual 2.5G+10G LAN/Wi-Fi 7)
ASUS ROG Maximus Z890 Extreme
SocketAM5LGA1851
Form FactorMini-ITXE-ATX
ChipsetAMD B850Z890
ModelB850I Lightning WiFiROG Maximus Z890 Extreme
VRM10+1+1 phase, 110A SPS for VCoreExtreme-tier design (phase count not officially disclosed)
Memory2x DDR5, up to 128GB, 8200+ MT/s (OC)4x DDR5 DIMM (CUDIMM), up to 256GB, up to 9200+ MT/s (OC)
Expansion1x PCIe 5.0 x16 (CPU-dependent)2x PCIe 5.0 x16 (x16, x8/x8, or x8/x4/x4) + PCIe 4.0 x4
ConnectivityUSB4 only with 8000G-series APUs2x Thunderbolt 5, ROG Q-DIMM.2 expansion module
Networking2.5GbE (Killer), Wi-Fi 6EIntel 2.5G + Marvell 10G dual LAN, Wi-Fi 7, Bluetooth 5.4
Special Features8-layer PCB, BIOS Flashback4x onboard M.2 (3x PCIe 5.0) + 2x M.2 on included Q-DIMM.2 card
CPU SupportAMD Ryzen 9000 / 8000 / 7000 seriesIntel Core Ultra Processors (Series 2)

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