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Astound vs Xfinity in South San Francisco
Xfinity offers broader reach and faster uploads, while Astound makes its 1,500/50 Mbps cable tier available across more of the city.
Xfinity is the better overall pick because it reaches about 94% of South San Francisco, offers stronger upload speeds where available, and starts at the same $40/mo as Astound. Xfinity wins on coverage and top-end performance: its 2,000/300 Mbps plan reaches about 53% of the city. Astound wins on availability for its 1,500/50 Mbps plan, which reaches about 68%, while both providers have a 91/100 speed score. Choose Xfinity for heavier work, gaming, or multiple users; choose Astound for broader access to a solid cable tier at the same starting price.
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 |
68% | $40/mo | Budget-friendly |
Xfinity |
Cable | 2 Gig 300 Mbps upload |
94% | $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
The head-to-head can change from block to block because availability varies across South San Francisco. Xfinity reaches about 94% of the city overall, while Astound reaches about 68%; however, Astound’s 1,500/50 Mbps plan reaches about 68% and Xfinity’s 2,000/300 Mbps plan reaches about 53%, so check your exact address.
| ZIP | Neighborhoods | Coverage | Top speed | Rank score | Winner | |||
|---|---|---|---|---|---|---|---|---|
| Astound | Xfinity | Astound | Xfinity | Astound | Xfinity | |||
| 94080 | Sunshine Gardens, Sign Hill, Downtown South San Francisco, Westborough | 85% | 99% | 2 Gig | 2 Gig | 55 | 79 | 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 South San Francisco 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
Pick your provider and check availability at your address.
- 2 Gig down · 300 Mbps up Cable
- 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 Astound or Xfinity available at my South San Francisco address?
Xfinity reaches about 94% of South San Francisco overall, while Astound reaches about 68%. Availability can vary block to block, so enter your exact address with each provider before deciding.
Which is cheaper, Astound or Xfinity, and what will I actually pay?
Both Astound and Xfinity start at $40/mo, but those are promotional starting rates. Confirm the post-promo rate, equipment fees, and any contract before signing, then compare the full terms for your address.
Which is faster for gaming, working from home, or 4K streaming?
Xfinity’s 2,000/300 Mbps plan reaches about 53% of the city, while Astound’s 1,500/50 Mbps plan reaches about 68%. Xfinity is the better performance choice where available, but check which tier your address can actually receive.