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ASRock B650 PG Lightning vs ASUS ROG Maximus Z790 Hero: Comparison

ASRock B650 PG Lightning and ASUS ROG Maximus Z790 Hero separate most on max memory: ASRock B650 PG Lightning at 256, ASUS ROG Maximus Z790 Hero at 128, 50% in favour of ASRock B650 PG Lightning. M.2 Slots splits them by another 50%, this time favouring ASUS ROG Maximus Z790 Hero. They match on 4 other specifications, including form factor, memory type and memory slots.

ASRock B650 PG Lightning (AM5/AMD B650/ATX/Two M.2 Slots/PCIe 5.0/2.5G LAN)
ASRockASRock B650 PG Lightning
ASUS ROG Maximus Z790 Hero (LGA1700/Intel Z790/ATX/PCIe 5.0/Thunderbolt 4/Wi-Fi 6E)
ASUSASUS ROG Maximus Z790 Hero

Specs

Specification
ASRock B650 PG Lightning (AM5/AMD B650/ATX/Two M.2 Slots/PCIe 5.0/2.5G LAN)
ASRock B650 PG Lightning
ASUS ROG Maximus Z790 Hero (LGA1700/Intel Z790/ATX/PCIe 5.0/Thunderbolt 4/Wi-Fi 6E)
ASUS ROG Maximus Z790 Hero
PlatformAMDIntel
Socket TypeAM5LGA1700
SocketAM5LGA1700
Form FactorATXATX
ChipsetB650Z790
Memory TypeDDR5DDR5
Memory Slots44
Max Memory256128-50%
M.2 Slots2-50%4
PCIe 5.0 SupportYesYes
Wi-Fi OnboardNoYes
ModelB650 PG LightningROG Maximus Z790 Hero
VRMEntry-tier design (phase count not published)High-end design (exact phase count not currently listed)
Memory4x DDR5 DIMM, up to 256GB, current AM5 EXPO-supported speeds up to ~7200+ MT/s4x DDR5 DIMM, AEMP-enabled overclocking
ExpansionPCIe 5.0 x16 + PCIe 3.0 x16 (x4)PCIe 5.0 x16
ConnectivityUSB 3.2Thunderbolt 4
Networking2.5G LAN (WiFi variant sold separately)Dual 2.5Gb LAN, Wi-Fi 6E, Bluetooth 5.3
AudioRealtek ALC897ROG SupremeFX
Special Features2x M.2 (1x Gen5, 1x Gen4)Multiple M.2 slots (PCIe 4.0)
CPU SupportAMD Ryzen 9000 / 8000 / 7000 seriesIntel 12th / 13th / 14th Gen Core

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