Astound Broadband vs Quantum Fiber
Quantum Fiber ranks higher on our formula, 80 to 79 on each provider's best plan. Astound Broadband is cheaper over two years (from $42.50/mo all-in), and Quantum Fiber sells the faster top plan (8 Gbps).
Prices last checked September 2026.
Side by side
Astound Broadband and Quantum Fiber compared
Real cost is the two-year monthly average with the promo step-up, equipment rental and installation folded in.
| Measure | Astound Broadband | Quantum Fiber |
|---|---|---|
| Technology | Cable, Fiber | Fiber |
| Fastest plan | 1.5 Gbps | 8 Gbps |
| Upload on fastest plan | 1.5 Gbps | 8 Gbps |
| Lowest advertised price | $30/mo | $50/mo |
| Lowest real cost | $42.50/mo | $50/mo |
| Price steps up after promo | On some plans | No |
| Data caps | None | None |
| Contracts | None required | None required |
| Equipment fee | Included | Included |
| States served | 11 | 19 |
| Our rating (best plan) | 79/100 | 80/100 |
Plans
Every plan from both
Astound Broadband
CableFiberNot yet checked- 300 Mbps300 Mbps · $30/mo · real $42.50
- 600 Mbps600 Mbps · $45/mo · real $57.50
- 1 Gig1 Gbps · $60/mo · real $72.50
- 1.5 Gig Fiber1.5 Gbps · $80/mo · real $80
Quantum Fiber
FiberNot yet checked- 500 Mbps500 Mbps · $50/mo · real $50
- 940 Mbps940 Mbps · $75/mo · real $75
- 2 Gig2 Gbps · $95/mo · real $95
- 8 Gig8 Gbps · $165/mo · real $165
Honest assessment
Where each one wins
Astound Broadband
- Undercuts incumbent cable in the same neighborhoods
- No data caps
- Gigabit under $60 in most markets
- Coverage is block-by-block
- Promo pricing expires
- Brand transition left support inconsistent
Quantum Fiber
- Symmetrical up to 8 Gig
- No annual contract
- Price does not step up
- Build is patchy inside its own metros
- Install lead times
- Support is shared with CenturyLink
Head to head
Cities where Astound Broadband and Quantum Fiber compete
Markets where we have both on record. Each page ranks every provider there.
Questions
Astound Broadband vs Quantum Fiber, answered
Is Astound Broadband or Quantum Fiber better?
Quantum Fiber ranks higher on our formula, 80 to 79 on each provider's best plan. Astound Broadband is cheaper over two years (from $42.50/mo all-in), and Quantum Fiber sells the faster top plan (8 Gbps).
Which is cheaper, Astound Broadband or Quantum Fiber?
Astound Broadband has the lower real cost: $42.50 a month averaged over two years with fees included, against $50 for Quantum Fiber. The advertised entry prices are $30 for Astound Broadband and $50 for Quantum Fiber.
Which is faster, Astound Broadband or Quantum Fiber?
Quantum Fiber sells the faster top plan, at 8 Gbps down and 8 Gbps up. Astound Broadband tops out at 1.5 Gbps down and 1.5 Gbps up. For most households upload speed matters more than the headline download figure.
Where can I get both Astound Broadband and Quantum Fiber?
We have both on record in 4 markets, including Seattle, WA; Tacoma, WA; Bellevue, WA; Portland, OR. Availability still varies street by street.
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