AT&T Fiber vs. Mediacom
In parts of the Midwest and South, AT&T Fiber and Mediacom cable compete. Here's the trade-off.
Mediacom is cheaper ($30 for 300 Mbps, locked two years; 1 Gig $50 locked three years). AT&T Fiber costs more ($50 for 300 Mbps, $70 for 1 Gig) but uploads match downloads, while Mediacom uploads are 20 Mbps on 300 Mbps and 50 Mbps on Gig plans.
Side by side
Which to choose
- AT&T Fiber for video calls, cloud backups, content creation or gaming.
- Mediacom for the lowest price on a household that mostly streams.
- Mediacom's 90-day money-back guarantee lets you test it.
Reviews: AT&T Fiber · Mediacom.
What it costs over three years
Who should pay more for fiber
- Anyone uploading video, large files or cloud backups.
- Households with several people on video calls at once.
- Online gamers who want steady low latency.
Setup and equipment
- AT&T Fiber: $0 professional installation; a Wi-Fi gateway is included.
- Mediacom: eero Wi-Fi included (Wi-Fi 7 on 1 Gig and up); self-install or technician depending on your home.
- Both have no data caps.
Switching tips
- If you're on Mediacom past its price lock, compare your current bill with AT&T Fiber 300 at $50.
- Keep the old service until the new one is installed.
- Return Mediacom equipment to avoid unreturned-equipment fees.
Questions
Is Mediacom cheaper than AT&T Fiber?
Yes: 300 Mbps is $30/mo at Mediacom vs. $50 at AT&T Fiber, and 1 Gig is $50 vs. $70.
Why are Mediacom uploads slow?
Mediacom uses cable, where uploads are much slower than downloads: 20 Mbps on 300 Mbps and 50 Mbps on Gig plans.
Does Mediacom have data caps?
No. Mediacom plans have no data caps.
Is AT&T Fiber worth it over cable?
If you upload a lot or work from home, yes: fiber uploads match downloads. For streaming alone, cable is usually enough.
Sources (2)
- Plan pages and Broadband Facts labels from AT&T Fiber, Mediacom, checked Oct 2026
- Retailer and manufacturer product pages, prices checked Oct 2026
Prices and offers change often; confirm at your address before you order. How we research
Jean founded ShopHighSpeed after trying to find one straight answer about business internet in his own town. He has been a Comcast and Verizon Fios customer, and ranks providers on what they actually deliver, not on what they advertise.