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ASRock B850I Lightning WiFi vs MSI MAG X870 TOMAHAWK WIFI

Researched, not hands-on tested.How we review ›

all judged against motherboards at a similar price

The MSI MAG X870 TOMAHAWK WIFI scores 7.2/10 overall, ahead of the ASRock B850I Lightning WiFi at 5.9/10.

The ASRock B850I Lightning WiFi leads on BIOS and support.

The MSI MAG X870 TOMAHAWK WIFI leads on platform and features, connectivity, power delivery and value.

The biggest difference is connectivity, where the MSI MAG X870 TOMAHAWK WIFI scores 9/10 to the ASRock B850I Lightning WiFi's 6/10.

ASRock B850I Lightning WiFi

5.9/10verdict: good, not the best

This is a Mini-ITX AM5 board for people building a compact system on the B850 chipset. It suits builders who want a PCIe 5.0 graphics slot, a Gen5 NVMe drive and BIOS Flashback in a small footprint. It is less suited to anyone who needs Wi-Fi 7, many rear USB ports or more than two memory slots.

Typically about £180 in the UK when we researched itSearch Amazon UK (opens in a new tab, affiliate link)

Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details

MSI MAG X870 TOMAHAWK WIFI

MSI MAG X870 TOMAHAWK WIFI

7.2/10verdict: good, not the best

The MSI MAG X870 TOMAHAWK WIFI is for people building a high-end AM5 system around a Ryzen 9000 chip. It suits buyers who want USB4, Wi-Fi 7, 5G LAN and fast NVMe storage on one ATX board. It is a better fit for a single graphics card plus drives than for a build full of expansion cards.

Typically about £255 in the UK when we researched itSearch Amazon UK (opens in a new tab, affiliate link)

Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details

Scores, criterion by criterion

CriterionWeightASRock B850I Lightning WiFiMSI MAG X870 TOMAHAWK WIFI
Platform and features25%6/107/10
Connectivity25%6/109/10
Power delivery20%5/108/10
BIOS and support15%7/104/10
Value15%6/107/10
Overall5.9/107.2/10

Specifications

SpecASRock B850I Lightning WiFiMSI MAG X870 TOMAHAWK WIFI
CPU socket (e.g. AM5, AM4, LGA1851, LGA1700)AM5 (LGA1718)AM5, supports Ryzen 9000, 8000 and 7000 series desktop CPUs
ChipsetAMD B850AMD X870
Form factor (ATX, Micro-ATX, Mini-ITX, E-ATX)Mini-ITXATX, 304.8 × 243.84 mm
Memory: type (DDR4 or DDR5), number of slots, maximum capacity and speedDDR5, 2 DIMM slots, dual channel, up to 128GB, up to 8200+ MT/s (OC)DDR5, 4 × UDIMM slots, maximum 256GB, non-ECC unbuffered only; overclocked 8400–5600 MT/s, JEDEC 5600–4800 MT/s
M.2 NVMe slots and their PCIe generationM2_1 (CPU-attached, PCIe 5.0 x4 on 9000/7000 series); M2_2 (chipset-attached, PCIe 4.0 x4); Key E slot for 2230 Wi-Fi/BT module4 slots: M.2_1 and M.2_2 from CPU at PCIe 5.0 x4 (M.2_2 shares bandwidth with rear USB4 ports); M.2_3 PCIe 4.0 x2 and M.2_4 PCIe 4.0 x4 from chipset
PCIe slots1 x PCIe 5.0 x16 slot (PCIE1), x16 mode3 × x16 physical slots: PCI_E1 PCIe 5.0 x16 from CPU; PCI_E2 PCIe 3.0 x1 from chipset; PCI_E3 PCIe 4.0 x4 from chipset, drops to x2 when M2_3 is populated
Wired and wireless networking (e.g. 2.5GbE, Wi-Fi 7)Killer E3100G 2.5GbE; Wi-Fi 6E (802.11axe) dual-band 2x2; Bluetooth 5.2Realtek 8126-CG 5G LAN; Wi-Fi 7 with Bluetooth 5.4 pre-installed in M.2 Key-E slot
Rear USB ports, including USB-C and USB4Rear: 1 USB 3.2 Gen2 Type-C, 2 USB 3.2 Gen2 Type-A, 1 USB 3.2 Gen1 Type-A, 4 USB 2.0; front headers for one Gen1 Type-C, one Gen1 header (two ports) and one USB 2.0 header (two ports)12 rear ports: 4 × USB 2.0, 3 × USB 5Gbps Type-A, 2 × USB 10Gbps Type-A, 1 × USB 10Gbps Type-C, 2 × USB 40Gbps Type-C (USB4); front: 1 × USB 20Gbps Type-C header, 4 × USB 5Gbps Type-A

Strengths and weaknesses

ASRock B850I Lightning WiFi

  • + PCIe 5.0 x16 slot and CPU-attached Gen5 M.2
  • + BIOS Flashback with dedicated rear USB port and button
  • + Rear USB-C plus a front USB-C header
  • − Wi-Fi 6E rather than Wi-Fi 7
  • − Four of the eight rear USB ports are USB 2.0
  • − 40Gb/s Type-C only on selected processors

Skip it if:

  • Buyers who want Wi-Fi 7 built in
  • Builders with many fast USB devices who need more high-speed rear ports
  • Anyone who needs more than two DIMM slots or extra expansion slots
Read the full ASRock B850I Lightning WiFi review ›

MSI MAG X870 TOMAHAWK WIFI

  • + Two USB4 ports and a 20Gbps front Type-C header
  • + 14+2+1 phase VRM with 80A power stages
  • + Wi-Fi 7 and 5G LAN, with four M.2 slots
  • − Owners report boot loops after BIOS updates
  • − M.2_2 shares bandwidth with the rear USB4 ports
  • − X870 chipset, not X870E

Skip it if:

  • Buyers who want X870E rather than X870
  • Builders who need several fast expansion slots alongside multiple NVMe drives
  • Anyone who wants to avoid any risk of BIOS update trouble or CUDIMM boot problems
Read the full MSI MAG X870 TOMAHAWK WIFI review ›

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