-The fundamental technical flaw of cable internet like Spectrum is the massive imbalance between download and upload speeds.
-Because AT&T is a 100% fiber-optic network, you get symmetrical speeds. If you pay for 500 Mbps download, you get 500 Mbps upload.
-Spectrum’s network heavily throttles uploads. On their 500 Mbps "Premier" plan, your upload speed crawls at just 10 Mbps. Even on their 1 Gig plan, your upload tops out around 35 Mbps. Symmetrical fiber uploads make an immediate difference if you are jumping on video calls, uploading large files to Google Drive, backing up photos to iCloud, or gaming competitively online.
-Spectrum is famous for its aggressive introductory pricing, which looks great on paper for the first 12 months. However, the sticker shock in year two can be severe.
-AT&T’s standard pricing model is much more transparent. The price you sign up for is stable, without a timed explosion built into the fine print.
-Spectrum’s internet plans routinely experience a price jump of $20 to $35/month the moment your 12-month promotional period expires. For instance, their 500 Mbps plan jumps from a promo rate of $40/mo up to a standard rate of around $85/mo. Over a few years, AT&T's consistent pricing easily saves you more money.
-AT&T includes their premium Wi-Fi gateway equipment right in the base price of the plan ($0/mo).
-Spectrum famously includes the modem for free, but charges an extra $10/month "Advanced WiFi" fee to lease the actual router you need to broadcast a wireless signal in your home (unless you spring for their top Gig tiers where it's included). That adds an extra $120 a year to your bill for basic Wi-Fi functionality.
-Copper cable networks are highly susceptible to local congestion, weather degradation, and electrical interference.
-Fiber uses pulses of light passing through glass strands rather than electricity through copper wire. This gives AT&T inherently lower "ping" (network latency). Lower latency means web pages snap open instantly and multiplayer games react without delay. Furthermore, because fiber lines aren't shared with your neighbors the way cable lines are, your speeds won't choke at 7:00 PM when the entire block sits down to stream movies.