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Sonic.net vs Xfinity in Oakland
Sonic.net offers faster, symmetrical fiber where it reaches, but Xfinity covers far more of Oakland, so the real question is who wins on your block.
For raw performance, Sonic.net wins: its fiber hits up to 10000/10000 Mbps with a perfect 100/100 speed score, and symmetrical uploads leave Xfinity’s cable behind. Both start at $40/mo, so price isn’t the tiebreaker. Xfinity’s edge is reach, covering ~98% of Oakland versus Sonic’s ~72%. Choose Sonic.net if it reaches your block and you want top speed and symmetrical upload; choose Xfinity if Sonic isn’t available or you just want reliable, widely-available service at the same starting price.
At a glance
Sonic.net vs. Xfinity, side by side.
| Provider | Type | Top speed | City coverage | Starting price | Best for |
|---|---|---|---|---|---|
| Sonic.net |
Fiber | 10 Gig 10 Gig upload |
72% | $40/mo | Top fiber speeds |
| Xfinity |
Cable | 2 Gig 300 Mbps upload |
98% | $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 Oakland shifts block to block, so the winner depends on your exact address. Xfinity’s ~98% reach makes it available across most neighborhoods, while Sonic.net’s fiber footprint sits closer to 72% and may or may not have hit your street yet. Always run an address check before deciding.
| ZIP | Neighborhoods | Coverage | Top speed | Speed Score | Winner | |||
|---|---|---|---|---|---|---|---|---|
| Sonic.net | Xfinity | Sonic.net | Xfinity | Sonic.net | Xfinity | |||
| 94611 | Piedmont Avenue, Montclair, Rockridge | 46% | 100% | 10 Gig | 2 Gig | 89 | 95 | Xfinity |
| 94606 | San Antonio, Ivy Hill, Cleveland Heights | 88% | 99% | 10 Gig | 2 Gig | 98 | 95 | Sonic.net |
| 94605 | Eastmont, Millsmont, Sequoyah Hills | 74% | 99% | 10 Gig | 2 Gig | 95 | 95 | Xfinity |
| 94607 | West Oakland, Jack London Square, Prescott | 36% | 90% | 10 Gig | 2 Gig | 87 | 93 | Xfinity |
| 94610 | Grand Lake, Lakeshore, Adams Point, Crocker Highlands | 88% | 100% | 10 Gig | 2 Gig | 98 | 95 | Sonic.net |
| 94621 | Coliseum, Elmhurst, Havenscourt | 92% | 99% | 10 Gig | 2 Gig | 98 | 95 | Sonic.net |
| 94609 | Temescal, Bushrod, Pill Hill | 82% | 99% | 10 Gig | 2 Gig | 96 | 95 | Sonic.net |
| 94601 | Fruitvale, Jingletown, San Antonio | 87% | 99% | 10 Gig | 2 Gig | 97 | 95 | Sonic.net |
| 94602 | Dimond District, Oakmore, Glenview | 93% | 100% | 10 Gig | 2 Gig | 99 | 95 | Sonic.net |
| 94618 | Rockridge, Upper Rockridge, Claremont | 67% | 99% | 10 Gig | 2 Gig | 93 | 95 | Xfinity |
| 94619 | Redwood Heights, Maxwell Park, Laurel | 84% | 100% | 10 Gig | 2 Gig | 97 | 95 | Sonic.net |
| 94603 | East Oakland, Sobrante Park, Brookfield Village | 81% | 98% | 10 Gig | 2 Gig | 96 | 95 | Sonic.net |
| 94612 | Downtown Oakland, Uptown, Lake Merritt | 21% | 97% | 10 Gig | 2 Gig | 84 | 95 | Xfinity |
| 94614 | Oakland International Airport, Bay Farm area | 33% | 92% | 10 Gig | 2 Gig | 87 | 94 | Xfinity |
| 94661 | Montclair, Oakland Hills | 0% | 100% | — | 2 Gig | — | 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.
- 10 Gig down · 10 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 Sonic.net available at my address in Oakland?
Sonic.net fiber reaches about 72% of Oakland, versus Xfinity’s ~98%, so it’s likely but not guaranteed on your block. Enter your exact address on both providers’ sites to confirm which lines actually reach your home.
Which is cheaper in Oakland, Sonic.net or Xfinity?
It’s a tie on the starting price: both begin at $40/mo. Those are promotional starting rates, so confirm the post-promo rate, any equipment fees, and contract terms with each provider before you sign.
Is Sonic.net or Xfinity fast enough for gaming, WFH, and 4K?
Both are: Sonic.net’s fiber runs up to 10000/10000 Mbps (100/100 speed score, where available) and Xfinity’s cable up to 2000/300 Mbps (94/100). For heavy uploads like WFH video and game streaming, choose Sonic.net where available; otherwise Xfinity handles 4K and gaming fine.
More Oakland comparisons
How Oakland’s other qualifying providers stack up head-to-head.