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Astound vs Xfinity in Walnut Creek
Both start at $40/mo, but Xfinity reaches ~99% of Walnut Creek with faster top speeds, while Astound’s ~80% coverage means it may not reach your block.
Xfinity is the stronger all-around pick in Walnut Creek: it reaches about 99% of the city, tops out at 2000/300 Mbps where available, and posts a 94/100 speed score — all at the same $40/mo starting price as Astound. Astound is no slouch, with up to 1500/50 Mbps and a 90/100 speed score, but its ~80% coverage means some blocks simply can’t get it. Choose Xfinity for the widest availability and fastest ceiling; consider Astound if it serves your address and you prefer it for equivalent everyday performance.
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 |
80% | $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
Coverage in Walnut Creek shifts block to block, so the winner depends on your exact address. Xfinity’s ~99% reach means it’s available in nearly every neighborhood, while Astound’s ~80% coverage leaves some pockets without service. Always check both at your specific address before deciding.
| ZIP | Neighborhoods | Coverage | Top speed | Speed Score | Winner | |||
|---|---|---|---|---|---|---|---|---|
| Astound | Xfinity | Astound | Xfinity | Astound | Xfinity | |||
| 94598 | Northgate, Shell Ridge area, Woodlands, Rudgear Estates | 99% | 100% | 1 Gig | 2 Gig | 92 | 95 | Xfinity |
| 94596 | Downtown Walnut Creek, Old Walnut Creek, Walnut Heights, Northgate | 80% | 99% | 1 Gig | 2 Gig | 88 | 95 | Xfinity |
| 94597 | Larkey Park area, Walnut Creek North, Contra Costa Centre, Buena Vista | 90% | 99% | 1 Gig | 2 Gig | 90 | 95 | Xfinity |
| 94595 | Rossmoor, Tice Valley, Saranap | 65% | 100% | 1 Gig | 2 Gig | 85 | 95 | 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.
- 1 Gig down · 1 Gig up Fiber
- 1 Gig down · 50 Mbps up Cable
- 1 Gig down · 10 Mbps up Copper
- 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 Astound available at my address in Walnut Creek or only Xfinity?
Xfinity reaches about 99% of Walnut Creek while Astound covers roughly 80%, so Xfinity is far more likely to serve your block. Enter your exact address on both providers’ sites to confirm which one actually reaches your home.
Which is cheaper in Walnut Creek, Astound or Xfinity?
Both start at $40/mo in Walnut Creek, so they’re tied on the advertised starting price. These are promotional starting rates, so before signing, confirm the post-promo rate, equipment fees, and any contract terms with each provider to see what you’ll actually pay long term.
Which is faster and is it enough for gaming, WFH, and 4K?
Xfinity is faster, reaching up to 2000/300 Mbps where available with a 94/100 speed score, versus Astound’s up to 1500/50 Mbps and 90/100. Both easily handle 4K and gaming, but if you do heavy uploads for work or streaming, check whether Xfinity’s higher-upload tiers reach your address.