Which is better for a Ryzen 5 5600X build?

Both boards run a 5600X on B550. The Asus has stronger 12+2 power stages and better cooling headroom, so it suits overclocking and future CPU upgrades better. The Gigabyte is fine for a stock build on a tight budget.

Does the Gigabyte B550 Gaming X have Wi-Fi?

No. Its listing shows Gigabit Ethernet only, with no Wi-Fi or Bluetooth. You would need a PCIe Wi-Fi card or a USB adapter, which adds cost and uses a slot.

Is the Asus board worth the extra money?

If you need Wi-Fi 6E, 2.5Gb Ethernet and better audio, yes, since those would cost extra as add-in cards. If you use wired gigabit and a cheap USB Wi-Fi dongle, the Gigabyte saves money.

Which has better networking?

The Asus. It has Intel 2.5Gb Ethernet plus Wi-Fi 6E and Bluetooth 5.1. The Gigabyte has Gigabit Ethernet only, roughly 2.5 times slower on paper for wired links.

Do both support PCIe 4.0?

Yes. B550 supports PCIe 4.0 from the CPU with a Ryzen 3000 or 5000 chip. The Asus lists PCIe 4.0 explicitly; the Gigabyte uses the same chipset, so it gets the same CPU-linked PCIe 4.0 lanes.

Which is better for a small case?

Neither. Both are full ATX boards at roughly 30.5 by 24.4 cm, so you need an ATX or larger case. Look at micro-ATX or mini-ITX B550 boards for compact builds.

Asus ROG Strix B550-F Gaming WiFi vs Gigabyte B550 Gaming X

Pick the Asus ROG Strix B550-F Gaming WiFi if you want onboard Wi-Fi, 2.5Gb Ethernet and better audio, and the price gap is small. Pick the Gigabyte B550 Gaming X if you need a working AM4 board at the lowest cost and will add a Wi-Fi card or USB adapter yourself. The Gigabyte is the cheaper board at $83.60 at eBay as of November 7, 2026; no current price was given for the Asus.

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