T-Mobile Trails Xfinity & Charter In Streaming Speed

Two key graphs summarizing the Opensignal USA Fixed Broadband Experience Report (data from Jan-Mar 2026). – Source: Phonearena.com

Speed Comparison (Download & Upload)
Xfinity leads in download speeds, while AT&T dominates uploads thanks to its fiber network. T-Mobile trails significantly in both. Additional Source:. lightreading.com

Download Speeds (Mbps, typical/average):

• Comcast Xfinity: 228.6
• Charter Spectrum: 220.4
• AT&T: 201.4
• Verizon: 174.1
• T-Mobile: 148.5
  Upload Speeds (Mbps):
• AT&T: 120.0
• Verizon: 58.0
• Others lower (Xfinity/Spectrum improved notably YoY via DOCSIS; T-Mobile lowest)
  T-Mobile is last in speeds, as expected for FWA vs. wired/fiber-heavy competitors. All providers improved year-over-year.

Quality & Reliability Metrics
All providers deliver solid everyday performance (video streaming is very close across the board), but cable providers (Xfinity/Spectrum) excel in consistency and reliability. T-Mobile is last but improved in reliability.
Consistent Quality (% of tests meeting thresholds for HD video, calls, gaming):

• Comcast Xfinity: 83.7% (winner)
• Verizon: 83.3%
• Charter Spectrum: 81.7%
• AT&T: 79.7%
• T-Mobile: 78.8%
  Reliability Experience (score out of 1000):
• Charter Spectrum: 761 (winner)
• Comcast Xfinity: 748
• Verizon: 684
• AT&T: 675
• T-Mobile: 656 (improved +58 points YoY)
  Video Experience: Very close overall (all ~76-78/100); Xfinity edges it slightly. Users can generally stream 1080p+ with minimal issues across providers.
• Source:. lightreading.com