Xfinity Speed Test in Charleston

Test Your Xfinity Speed in Charleston

Measure your real Xfinity download speed, upload speed, ping, jitter, and bufferbloat in Charleston, SC. See how your connection truly performs.

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Charleston Average Speeds

Avg Download

195 Mbps

Avg Upload

36 Mbps

Avg Ping

16 ms

City averages based on aggregated speed test data. Your actual Xfinity speeds may differ based on plan, location, and network conditions.

About Xfinity in Charleston

Xfinity provides internet service to residents across Charleston, SC using Cable (DOCSIS 3.1) and Fiber (select areas) technology. With download speeds ranging from 200-1200 Mbps and upload speeds of 5-35 Mbps, Xfinity is a key provider serving the Charleston metro area. The average download speed across Charleston is approximately 195 Mbps, though your individual speeds will depend on your specific plan, neighborhood, and connection type.

To find out how your Xfinity connection actually performs in Charleston, run a speed test on Pong.com. Unlike basic speed tests that only measure raw throughput, Pong.com also tests bufferbloat, jitter, and latency under load. This gives you a complete picture of your connection health, not just a download speed number. Testing across the real public internet means your results reflect what you experience when browsing, streaming, and video calling in Charleston.

Xfinity Plans Available in Charleston

PlanDownloadUploadPrice
Connect75 Mbps10 Mbps$35/mo
Connect More200 Mbps10 Mbps$55/mo
Fast400 Mbps10 Mbps$65/mo
Superfast800 Mbps15 Mbps$75/mo
Gigabit1000 Mbps20 Mbps$80/mo
Gigabit Extra1200 Mbps35 Mbps$95/mo

Prices and speeds are approximate and may vary by location in Charleston. Promotional pricing may differ from regular rates.

Common Xfinity Issues in Charleston

Bufferbloat during peak evening hours (7-11 PM)
Upload speeds significantly lower than download speeds
Latency spikes during network congestion
Speeds throttled after exceeding 1.2 TB data cap
Inconsistent Wi-Fi performance with rented gateway devices
Packet loss during heavy neighborhood usage

Other Internet Providers in Charleston

AT&T

300-5000 Mbps (Fiber), 10-100 Mbps (DSL) down, 300-5000 Mbps (Fiber), 1-20 Mbps (DSL) up

Fiber (AT&T Fiber), DSL (legacy IPBB)

Test speed in Charleston →

T-Mobile Home Internet

50-300 Mbps down, 5-30 Mbps up

5G (n41, n71), 4G LTE (fallback)

Test speed in Charleston →

Related Pages

Xfinity Speed Test

View nationwide Xfinity speed test info, plans, and common issues.

Charleston Internet Speed Test

Compare all internet providers and speeds in Charleston, SC.

Xfinity in Charleston FAQ

What speeds does Xfinity offer in Charleston?
Xfinity offers download speeds of 200-1200 Mbps and upload speeds of 5-35 Mbps in Charleston, SC, depending on your plan and connection type (Cable (DOCSIS 3.1), Fiber (select areas)). Actual speeds may vary by neighborhood and network conditions. The average download speed across Charleston is approximately 195 Mbps. Run a test on Pong.com to see your real speeds.
Is Xfinity good in Charleston?
Xfinity performance in Charleston depends on your specific neighborhood, plan, and connection type. The citywide average download speed is around 195 Mbps with a typical ping of 16 ms. To find out how Xfinity performs at your address, run a speed test on Pong.com. It measures download speed, upload speed, ping, jitter, and bufferbloat to give you a complete picture of your connection health.
How do I test my Xfinity speed in Charleston?
Visit Pong.com and click the start button. The test takes less than a minute and measures your Xfinity download speed, upload speed, ping, jitter, and bufferbloat in Charleston. For the most accurate results, use a wired Ethernet connection and close background applications. Pong.com tests across the real public internet, not inside Xfinity's own network, so you get results that reflect your actual experience.
What alternatives to Xfinity are available in Charleston?
Other internet providers available in Charleston include AT&T, T-Mobile Home Internet. The best provider depends on your address, budget, and usage needs. Test your current Xfinity connection on Pong.com, then compare your results with the speeds and pricing other providers offer in your area.

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