Quantum Fiber vs Spectrum
Quantum Fiber ranks higher on our formula, 80 to 65 on each provider's best plan. It is also cheaper over two years (from $50/mo all-in) and sells the faster top plan (8 Gbps).
Prices last checked September 2026.
Side by side
Quantum Fiber and Spectrum compared
Real cost is the two-year monthly average with the promo step-up, equipment rental and installation folded in.
| Measure | Quantum Fiber | Spectrum |
|---|---|---|
| Technology | Fiber | Cable, Fiber |
| Fastest plan | 8 Gbps | 2 Gbps |
| Upload on fastest plan | 8 Gbps | 100 Mbps |
| Lowest advertised price | $50/mo | $50/mo |
| Lowest real cost | $50/mo | $65/mo |
| Price steps up after promo | No | On some plans |
| Data caps | None | None |
| Contracts | None required | None required |
| Equipment fee | Included | Included |
| States served | 19 | 41 |
| Our rating (best plan) | 80/100 | 65/100 |
Plans
Every plan from both
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
Spectrum
CableFiberOut of date — checked Sep 11, 2026- Internet500 Mbps · $50/mo · real $65
- Internet Premier1 Gbps · $70/mo · real $85
- Internet Gig+2 Gbps · $90/mo · real $105
Honest assessment
Where each one wins
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
Spectrum
- No data caps anywhere
- No term contract
- Free modem included
- Big price jump after 12 months
- Upload capped at 35 Mbps on most tiers
- WiFi router costs extra
Head to head
Cities where Quantum Fiber and Spectrum compete
Markets where we have both on record. Each page ranks every provider there.
Questions
Quantum Fiber vs Spectrum, answered
Is Quantum Fiber or Spectrum better?
Quantum Fiber ranks higher on our formula, 80 to 65 on each provider's best plan. It is also cheaper over two years (from $50/mo all-in) and sells the faster top plan (8 Gbps).
Which is cheaper, Quantum Fiber or Spectrum?
Quantum Fiber has the lower real cost: $50 a month averaged over two years with fees included, against $65 for Spectrum. The advertised entry prices are $50 for Quantum Fiber and $50 for Spectrum.
Which is faster, Quantum Fiber or Spectrum?
Quantum Fiber sells the faster top plan, at 8 Gbps down and 8 Gbps up. Spectrum tops out at 2 Gbps down and 100 Mbps up. For most households upload speed matters more than the headline download figure.
Where can I get both Quantum Fiber and Spectrum?
We have both on record in 5 markets, including Reno, NV; Lincoln, NE; Rochester, MN; Billings, MT; Cheyenne, WY. Availability still varies street by street.
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