Comcast today called its newest test "an important step forward on the path to 10G. Comcast in October said it achieved a "technical milestone" that delivered 1. While gigabit upload speeds over cable would be a massive improvement, it likely isn't anywhere close to being implemented.
It's also not clear when Comcast will raise cable upload speeds to anything higher than 35Mbps—Comcast hasn't even confirmed an increase to 50Mbps uploads, which is already offered by WOW on that company's gigabit-download plan. Further Reading Comcast says gigabit downloads and uploads are now possible over cable. Currently , Comcast's 25Mbps download plan comes with 3Mbps uploads; the Mbps and Mbps download plans both have 5Mbps uploads; the Mbps download plan has 10Mbps uploads; the Mbps plan has 15Mbps uploads; and the 1Gbps download plan 1.
By contrast, fiber-to-the-home providers generally provide symmetrical upload and download speeds of up to 1Gbps. Our network report shows that, despite the growth in upstream traffic in , patterns remain highly asymmetrical as downstream volumes were 14x higher than upstream throughout Our website reflects the way customers use the Internet with downstream overwhelmingly dominating usage, but upstream speeds are included in your cart and are visible upon check out when you submit your order.
Despite Comcast claiming that "upstream speeds are included in your cart," I could find no evidence of this. Adding a Comcast Internet plan to the cart and then clicking the cart icon brought me to an ordering page that does not mention upload speeds.
I confirmed this behavior on Xfinity. I circled back to the Comcast spokesperson and asked what exact steps I need to take to make upload speeds show up in the cart. It turns out the upload speeds never show up in the cart at all unless you define "cart" to include the entire ordering process.
Comcast told us the upload speeds will finally appear "when you are at the step when you review your order. Despite my earlier reluctance to enter my credit card information for service I am not ordering, I finally did so to check whether this is accurate.
I submitted my address, phone number, and credit card information, and I clicked "Next. I accidentally entered a recently expired card number, so Comcast's system "declined" my card and made me re-enter it. After I entered a card number that Comcast could charge, I finally got to this page, where the Mbps download-plan's 10Mbps upload speeds are shown:. At this page, with Comcast having already verified your card, you can view upload speeds and decide whether to submit the order or exit the ordering system.
The part of Comcast's statement that upload speeds are "visible upon check out when you submit your order" is thus accurate. But refusing to tell a prospective customer what they're paying for until after they submit credit card information is simply ridiculous. You can probably get upload speeds earlier by asking a Comcast rep in an online chat or phone call, but that shouldn't be necessary. Use our speed test to assess the quality of your broadband connection whether you use Xfinity or another provider.
The dials above will return results on download speed and upload throughput. These metrics are the main signs of broadband quality.
Throughout their coverage footprint, the average latency on Xfinity Internet speed tests is -1ms. For context, terrestrial connections usually perform in the 5—70ms range.
Satellite connections can be in the range of —ms. In this chart we show the average download speed across all 17,, users who ran a speed test on their Xfinity internet connection in the last 12 months.
Xfinity speed test results shown above are based on thousands of real-world Comcast Xfinity connections. Keep in mind that these test results are run by actual users, not technicians or IT experts — because of this, our Xfinity speed test results often include home networking issues caused by user error.
This results in lower speed averages than you are likely to experience on a properly-installed Comcast Xfinity connection. To remedy this, the tables above show 90th percentile results in addition to raw Xfinity speed test averages. Xfinity is a cable Internet provider, which means that their Internet service is provided over coaxial cable networks.
Xfinity, like all cable Internet providers, chooses to prioritize download speeds for their customers because most users download much more content than they upload. Our Xfinity speed test tool shown above includes latency measurement. Latency is how long it takes for data to make the round-trip journey from your home network to a server and back again. Latency is not a major concern for regular activities like scrolling through Facebook or watching Hulu.
This is normal — a variety of factors slow down the speed that reaches individual devices on a healthy home network, with signal fade in WiFi being the biggest issue. Overall, Comcast speed tests are comparable to other cable providers. Their network quality varies from area to area, so be sure to check results in your city.
Search your zip code with our search tool at the top of this page to see local speed statistics. Use the BroadbandNow speed test tool to check your speed and see how it compares to other existing Xfinity customers. By clicking "Get My Free Quote »" above, I consent to receive from Broadbandnow and any party on Broadbandnow's behalf telemarketing calls using an autodialer or pre-recordings, email messages and SMS text messages at any time, which could result in wireless charges, at the number provided above.
I understand that consent is not a condition of purchase. Xfinity Speed Test Test your internet speed or read about Xfinity's internet speed and performance metrics.
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