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Astound vs Xfinity in San Mateo
San Mateo’s trade-off is wider Xfinity availability and faster uploads versus Astound’s comparable price and strong download performance where available.
Xfinity is the better overall pick in San Mateo because it reaches about 99% of the city and offers faster downloads and uploads where available, for the same $40/mo starting price. Xfinity wins on speed and coverage, while price is a tie. Astound is right for shoppers whose address gets its strong cable service and who do not need Xfinity’s broader reach. Choose Xfinity for more consistent availability, heavier streaming, gaming, or work-from-home demands; choose Astound when its service is available and your needs are simpler.
At a glance
Astound vs. Xfinity, side by side.
| Provider | Type | Top speed | City coverage | Starting price | Best for |
|---|---|---|---|---|---|
| Astound |
Cable | 1 Gig 50 Mbps upload |
66% | $40/mo | Budget-friendly |
| Xfinity |
Cable | 2 Gig 300 Mbps upload |
99% | $40/mo | Fastest plans here |
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
Availability varies block to block across San Mateo. Xfinity reaches about 99% of the city overall, compared with about 66% for Astound, but each address should be checked directly before choosing.
| ZIP | Neighborhoods | Coverage | Top speed | Rank score | Winner | |||
|---|---|---|---|---|---|---|---|---|
| Astound | Xfinity | Astound | Xfinity | Astound | Xfinity | |||
| 94402 | San Mateo Park, Baywood, Aragon, Sugarloaf | 84% | 99% | 1 Gig | 2 Gig | 54 | 80 | Xfinity |
| 94401 | Downtown San Mateo, North Central, Central San Mateo, Bay Meadows | 97% | 100% | 1 Gig | 2 Gig | 63 | 80 | Xfinity |
| 94403 | Laurelwood, Hillsdale, Beresford Park, 19th Avenue Park | 92% | 99% | 1 Gig | 2 Gig | 59 | 79 | Xfinity |
| 94404 | Foster City, Mariners Island, Bay Meadows, Bridgepointe | 0% | 94% | — | 2 Gig | — | 75 | Xfinity |
Rank score (0–100) is each provider’s Speed Score, discounted for weak upload, times the share of that ZIP it reaches — the same rule that orders providers on the San Mateo city page, 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
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- 2 Gig down · 300 Mbps up Cable
- 1 Gig down · 35 Mbps up Cable
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Check my addressFrequently asked questions
Is Astound or Xfinity available at my San Mateo address?
Xfinity reaches about 99% of San Mateo overall, while Astound reaches about 66%. Coverage can vary block to block, so check both providers with your exact address before signing up.
Which is cheaper, Astound or Xfinity, and what will I actually pay?
Both Astound and Xfinity have promotional starting prices of $40/mo. Confirm each provider’s post-promo rate, equipment fees, and any contract before signing, then compare the full expected cost.
Which is faster for gaming, work from home, or 4K streaming?
Xfinity’s 2,000/300 Mbps cable tier reaches about 83% of the city, while Astound’s 1,500/50 Mbps cable tier reaches about 65%. Xfinity is the stronger choice for heavy use where available, but check the tier offered at your address.