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Quantum Fiber vs Xfinity in Sandy
In Sandy the real choice is Quantum Fiber’s faster, cheaper, symmetrical fiber against Xfinity’s near-citywide cable that reaches far more homes block to block.
Quantum Fiber wins on raw performance and price: symmetrical speeds up to 8,000 Mbps (where available), a 97/100 speed score, and a $30 starting rate beat Xfinity’s $40 cable plan topping out at 2,000/300 Mbps. The catch is reach. Quantum Fiber’s fiber only covers about 28% of Sandy, while Xfinity’s cable hits roughly 96%. If Quantum Fiber serves your address, it’s the easy pick. If it doesn’t, Xfinity is the reliable, widely available fallback that still handles almost anything a household throws at it.
At a glance
Quantum Fiber vs. Xfinity, side by side.
| Provider | Type | Top speed | City coverage | Starting price | Best for |
|---|---|---|---|---|---|
| Quantum Fiber |
Fiber | 8 Gig 8 Gig upload |
28% | $30/mo | Top fiber speeds |
| Xfinity |
Cable | 2 Gig 300 Mbps upload |
96% | $40/mo | Widest availability |
Coverage map
Two different questions, two views. Top speed shows who offers the faster plan where you can actually get it. Coverage shows who reaches more of each ZIP. Or pick a single provider to see just its footprint.
Neighborhood breakdown
Coverage in Sandy shifts block to block: Xfinity’s cable reaches roughly 96% of the city, so it’s the likely option almost everywhere. Quantum Fiber’s fiber footprint sits near 28%, so whether it’s the winner at your home depends entirely on whether the fiber has been built to your street. Always check both at your exact address before deciding.
| ZIP | Neighborhoods | Coverage | Top speed | Speed Score | Winner | |||
|---|---|---|---|---|---|---|---|---|
| Quantum Fiber | Xfinity | Quantum Fiber | Xfinity | Quantum Fiber | Xfinity | |||
| 84070 | Historic Sandy, Union, Sandy City Center | 37% | 99% | 8 Gig | 2 Gig | 85 | 93 | Xfinity |
| 84094 | Crescent, White City, Alta View, Sandy Hills | 28% | 99% | 8 Gig | 2 Gig | 83 | 93 | Xfinity |
| 84093 | Willow Creek, Bell Canyon, Alta Canyon, Quail Hollow | 29% | 99% | 8 Gig | 2 Gig | 83 | 93 | Xfinity |
| 84092 | Granite, Pepperwood, Dimple Dell, White City | 6% | 94% | 8 Gig | 2 Gig | 79 | 92 | Xfinity |
| 84091 | Sandy (PO Box), Central Sandy | 84% | 100% | 8 Gig | 2 Gig | 94 | 93 | Quantum Fiber |
| 84090 | Sandy (PO Box), Central Sandy | 19% | 100% | 8 Gig | 2 Gig | 81 | 93 | Xfinity |
Speed Score (0–100) blends each provider’s coverage and top speed in that specific ZIP, so it moves as availability changes street to street.
Which is better for…
The right pick comes down to what you actually do online.
Get connected
Pick your provider and check availability at your address.
- 8 Gig down · 8 Gig up Fiber
- 2 Gig down · 1 Gig up Fiber
- 1 Gig down · 1 Gig up Fiber
- 2 Gig down · 300 Mbps up Cable
- 2 Gig down · 300 Mbps up Fiber
- 1 Gig down · 35 Mbps up Cable
See what’s actually available at your address
Coverage changes from one street to the next. Check your exact address in seconds.
Check my addressFrequently asked questions
Is Quantum Fiber available at my address in Sandy or only Xfinity?
Quantum Fiber reaches about 28% of Sandy while Xfinity covers roughly 96%, so Xfinity is far more likely to be available at your address. Enter your exact address on both providers’ sites to confirm which one actually serves your street before comparing plans.
Which is cheaper in Sandy, Quantum Fiber or Xfinity?
Quantum Fiber starts at $30/mo versus Xfinity’s $40/mo, making Quantum Fiber the cheaper starting price. Note these are promotional starting rates, so confirm the post-promo price, any equipment fees, and whether a contract is required before you sign.
Is Quantum Fiber or Xfinity fast enough for gaming, working from home, and 4K?
Quantum Fiber offers up to 8,000/8,000 Mbps with a 97/100 speed score where available, while Xfinity delivers up to 2,000/300 Mbps with a 91/100 speed score, and both are plenty for 4K, gaming, and WFH. If your work relies on heavy uploads, check whether Quantum Fiber’s symmetrical fiber reaches your home.