Best Internet Providers · head-to-head

Xfinity vs AT&T Fiber

A sourced, side-by-side comparison for internet providers. Xfinity has the lower entry price. Every figure links to the public page it was captured from — the vendor's own wherever the vendor publishes the number, otherwise the named public source — with the date we captured it.

Xfinity has the lower entry price — Xfinity starts at $45/mo, AT&T Fiber at $50/mo. Free tier: Xfinity No, AT&T Fiber No. HIPAA: Xfinity —, AT&T Fiber —.

As of 2026-09-05 · figures link to their source below

Side by side

Xfinity

$45/mo entry
Entry price$45/mo (300 Mbps)
Free tierNo
HIPAA (BAA)
SOC 2
GDPR
Best forLarge urban/suburban households wanting bundled cable TV + internet + mobile

AT&T Fiber

$50/mo entry
Entry price$50/mo (Internet 300)
Free tierNo
HIPAA (BAA)
SOC 2
GDPR
Best forRemote workers and households with multiple simultaneous video calls needing symmetrical speeds

Sources — Xfinity: highspeedinternet.com (verified 2026-09-02) · AT&T Fiber: att.com (verified 2026-09-05)

Key features

Xfinity: Hybrid fiber-coaxial (HFC) cable network, DOCSIS 3.1; xFi Gateway included (tri-band Wi-Fi, 4 Ethernet ports, built-in advanced security); xFi app for network management, parental controls, and device pausing; Over 20 million Xfinity Wi-Fi hotspots nationwide; Internet Essentials low-income program (~$9.95/mo for eligible households); No annual contract required

AT&T Fiber: 100% fiber-to-the-home (FTTH) symmetrical speeds from 300 Mbps to 5 Gbps; No data caps on all fiber plans; No annual contract required; All-Fi Wi-Fi 6E gateway included (Internet 1000 and above); ActiveArmor internet security (network-level threat blocking); Access from AT&T low-income program (~$30/mo for qualifying households); Mobile + fiber bundle discounts available with AT&T Wireless

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