Starting June 2024, location inclusion criteria use the Precision Validity Score (PVS) for mobile and fixed broadband. Results are updated mid-month for the previous three months.
Market Analysis
Fastest Providers - Download
Speedtest Intelligence® reveals Cox recorded the fastest median download speed among top fixed broadband providers in the United States at 261.27 Mbps during Q4 2023. Spectrum was second at 252.71 Mbps and AT&T Internet third at 244.88 Mbps. XFINITY, Frontier, Optimum, and Verizon followed.
261.27 Cox | |||
252.71 Spectrum | |||
244.88 AT&T Internet | |||
238.90 XFINITY | |||
221.01 Frontier | |||
211.14 Optimum | |||
202.21 Verizon | |||
| 0 | 100 | 200 | 300 |
Fastest Providers - Upload
AT&T Internet had the fastest median upload speed among top fixed broadband providers at 195.64 Mbps during Q4 2023. Frontier was a close second at 185.07 Mbps and Verizon was third at 102.27 Mbps. Cox was a distant fourth, followed by Optimum in fifth, XFINITY in sixth, and Spectrum in seventh.
195.64 AT&T Internet | ||||
185.07 Frontier | ||||
102.27 Verizon | ||||
34.00 Cox | ||||
29.80 Optimum | ||||
22.89 XFINITY | ||||
15.60 Spectrum | ||||
| 0 | 50 | 100 | 150 | 200 |
Median Multi-Server Latency
Calculating median multi-server latency for top fixed broadband providers in the U.S. during Q4 2023, Verizon had the lowest median multi-server latency at 15 ms. Frontier was next at 17 ms. AT&T Internet followed at 22 ms, then Optimum at 23 ms, Cox at 25 ms, XFINITY at 26 ms, and Spectrum at 32 ms.
15 Verizon | ||||
17 Frontier | ||||
22 AT&T Internet | ||||
23 Optimum | ||||
25 Cox | ||||
26 XFINITY | ||||
32 Spectrum | ||||
| 0 | 10 | 20 | 30 | 40 |
Consistency
In measuring the Consistency of each fixed broadband provider’s performance, there was no statistical winner during Q4 2023. Spectrum had a Consistency of 92.0% of results showing at least a 25 Mbps download speed and 3 Mbps upload speed, while XFINITY had a Consistency of 91.7%, and Cox had a Consistency of 91.0%. Optimum was next at 89.9%. Verizon was fifth, AT&T Internet sixth, and Frontier seventh.
92.0% Spectrum | ||||||||
91.7% XFINITY | ||||||||
91.0% Cox | ||||||||
89.9% Optimum | ||||||||
88.1% Verizon | ||||||||
86.5% AT&T Internet | ||||||||
84.4% Frontier |
Video Score™
In measuring the Video Score of each fixed broadband provider’s video performance, we found no statistical winner for the highest Video Score in the U.S. during Q4 2023. Verizon had a Video Score of 85.19, Frontier 85.18, XFINITY 85.17, Cox 85.11, AT&T Internet 85.05, Optimum 84.64, Spectrum 84.24, and Space X’s Starlink 79.37.
85.19 Verizon | |||||
85.18 Frontier | |||||
85.17 XFINITY | |||||
85.11 Cox | |||||
85.05 AT&T Internet | |||||
84.64 Optimum | |||||
84.24 Spectrum | |||||
79.37 SpaceX Starlink | |||||
| 0 | 20 | 40 | 60 | 80 | 100 |
Regional Speeds
At the state level, Rhode Island showed the fastest median download speeds over fixed broadband in the U.S. during Q4 2023 at 257.48 Mbps. Connecticut was second, Florida third, Delaware fourth, and New Hampshire fifth.
Wyoming had the slowest median download speed in the U.S. during Q4 2023 at 105.23 Mbps. Montana was next slowest, then Alaska, New Mexico, and Idaho.
Spectrum was the fastest fixed broadband provider in eight states during Q4 2023. XFINITY was fastest in six states. Google Fiber was fastest in five states, followed by AT&T Internet and Cox which were fastest in three each. Verizon was fastest in two states. Allo, Bluepeak, C Spire, Connect2First, Frontier, GCI, MetroNet, Midco, SRT, USI, and Ziply Fiber were each fastest in one state during Q4 2023. Results were too close to statistically determine in 11 states and the District of Columbia.
Rank | State | Median Download Mbps | Median Upload Mbps | Median Multi-Server Latency | Fastest Provider | Provider's Median Download Mbps |
|---|---|---|---|---|---|---|
| 1 | Rhode Island | 257.48 | 57.33 | 19 | -Winner cannot be statistically verified. | -Winner cannot be statistically verified. |
| 2 | Connecticut | 244.23 | 36.60 | 25 | Frontier | 291.83 |
| 3 | Florida | 238.30 | 23.86 | 26 | AT&T Internet | 286.89 |
| 4 | Delaware | 237.42 | 38.70 | 26 | -Winner cannot be statistically verified. | -Winner cannot be statistically verified. |
| 5 | New Hampshire | 234.50 | 33.62 | 25 | -Winner cannot be statistically verified. | -Winner cannot be statistically verified. |
| 6 | New Jersey | 234.00 | 40.85 | 17 | Verizon | 251.75 |
| 7 | North Carolina | 231.41 | 22.86 | 34 | Google Fiber | 337.13 |
| 8 | Tennessee | 230.27 | 40.78 | 35 | -Winner cannot be statistically verified. | -Winner cannot be statistically verified. |
| 9 | Nevada | 228.69 | 35.97 | 26 | Cox | 272.58 |
| 10 | California | 226.89 | 22.97 | 21 | Spectrum | 255.18 |
City Speeds
Among the 100 most populous cities in the U.S., Raleigh, North Carolina took the top spot as the fastest city for median download speeds over fixed broadband at 289.96 Mbps. Chesapeake, Virginia was second; Corpus Christi, Texas third; Irvine, California fourth; and Austin, Texas fifth.
Atlanta, Georgia had the slowest median download speed over fixed broadband among the 100 most populous cities in the U.S. during Q4 2023, at 91.35 Mbps. Detroit, Michigan was second slowest; Dallas, Texas third slowest; Seattle, Washington fourth slowest; and Denver, Colorado fifth slowest.
AT&T Internet was the fastest fixed broadband provider in 25 cities during Q4 2023, followed by XFINITY which was fastest in 12 cities. Cox was fastest in 10 cities, while Spectrum was fastest in eight. Google Fiber was fastest in seven cities, followed by Verizon in six, while Frontier was fastest in two. Allo, Buckeye CableSystem, GCI, IQ Fiber, MetroNet, Rocket Fiber, Sonic, Sparklight, USI, and Wyyerd Fiber were each fastest in one major U.S. city during Q4 2023. Results were too close to statistically determine in 20 cities during this same period.
Rank | City | Median Download Mbps | Median Upload Mbps | Median Multi-Server Latency | Fastest Provider | Provider's Median Download Mbps |
|---|---|---|---|---|---|---|
| 1 | Raleigh, NC | 289.96 | 87.21 | 26 | Google Fiber | 345.17 |
| 2 | Chesapeake, VA | 284.75 | 57.68 | 26 | Cox | 318.37 |
| 3 | Corpus Christi, TX | 281.80 | 23.61 | 40 | AT&T Internet | 323.88 |
| 4 | Irvine, CA | 278.80 | 96.06 | 14 | Google Fiber | 337.32 |
| 5 | Austin, TX | 273.57 | 40.25 | 26 | Google Fiber | 337.46 |
| 6 | San Antonio, TX | 271.09 | 38.31 | 29 | Google Fiber | 323.00 |
| 7 | Durham, NC | 269.93 | 23.38 | 29 | -Winner cannot be statistically verified. | -Winner cannot be statistically verified. |
| 8 | Lincoln, NE | 269.86 | 107.59 | 15 | Allo | 308.62 |
| 9 | Henderson, NV | 269.30 | 56.85 | 24 | Cox | 280.28 |
| 10 | Kansas City, MO | 269.12 | 149.19 | 12 | Google Fiber | 303.45 |
Market Analysis
Fastest Providers - Download
Speedtest Intelligence® reveals T-Mobile was the fastest top mobile operator in the United States during Q4 2023 with a median download speed of 188.96 Mbps on modern chipsets, a strong increase from 163.59 Mbps during Q3 2023. Verizon Wireless and AT&T were distant runners up, although both saw increases in median download speed.
188.96 T-Mobile | ||||
91.62 Verizon Wireless | ||||
90.82 AT&T | ||||
| 0 | 50 | 100 | 150 | 200 |
Fastest Providers - Upload
T-Mobile had the fastest median upload speed among top mobile operators in the U.S. at 12.19 Mbps during Q4 2023. Verizon Wireless was second and AT&T finished third.
12.19 T-Mobile | |||
9.98 Verizon Wireless | |||
8.06 AT&T | |||
| 0 | 5 | 10 | 15 |
Median Multi-Server Latency
Calculating median multi-server latency for the three top mobile operators in the U.S. during Q4 2023, T-Mobile had the lowest latency at 50 ms. Verizon Wireless was a close second at 57 ms. AT&T was third at 64 ms. As latency becomes an increasingly important measure, we’ll be sure to watch latency metrics closely.
50 T-Mobile | ||||
57 Verizon Wireless | ||||
64 AT&T | ||||
| 0 | 20 | 40 | 60 | 80 |
Consistency
In measuring the Consistency of each operator’s performance, we found that T-Mobile had the highest Consistency in the U.S. during Q4 2023, with 87.3% of results showing at least 5 Mbps download and 1 Mbps upload speeds. Verizon Wireless and AT&T followed at 83.7% and 81.3%, respectively.
87.3% T-Mobile | ||||||||
83.7% Verizon Wireless | ||||||||
81.3% AT&T |
Video Score™
In measuring the Video Score of each mobile operator’s video performance, we found that T-Mobile had the highest Video Score in the U.S. at 78.21 during Q4 2023. Verizon Wireless was second with 74.38 and AT&T was third at 71.25.
78.21 T-Mobile | ||||
74.38 Verizon Wireless | ||||
71.25 AT&T | ||||
| 0 | 20 | 40 | 60 | 80 |
5G Video Score™
Looking at the 5G Video Score of each operator’s video performance over a 5G connection, T-Mobile had the highest 5G Video Score in Q4 2023 at 81.54. Verizon Wireless recorded a 5G Video Score of 79.67 and AT&T had a score of 73.32.
81.54 T-Mobile | |||||
79.67 Verizon Wireless | |||||
73.32 AT&T | |||||
| 0 | 20 | 40 | 60 | 80 | 100 |
5G Performance
Looking only at tests taken on a 5G connection, T-Mobile had the fastest median 5G download speed in the U.S. at 238.87 Mbps during Q4 2023, an improvement on its performance during Q3 2023. Verizon Wireless remained second and continued to improve its median 5G performance, recording 196.43 Mbps in Q4 2023, up from 153.79 Mbps in Q3 2023. AT&T remained third, but also showed an increase, recording 125.73 Mbps in Q4 2023, up from 101.55 Mbps in Q3 2023.
238.87 T-Mobile | |||
196.43 Verizon Wireless | |||
125.73 AT&T | |||
| 0 | 100 | 200 | 300 |
5G Median Multi-Server Latency
Our mobile 5G multi-server latency results in Q4 2023 showed that among top providers, T-Mobile registered the lowest median 5G latency in the United States. Latency was a tight race, but our testing showed that with a median value of 48 ms, T-Mobile users saw better multi-server latency values than those of their nearest competitor, Verizon Wireless (52 ms).
48 T-Mobile | ||||
52 Verizon Wireless | ||||
63 AT&T | ||||
| 0 | 20 | 40 | 60 | 80 |
5G Consistency (%)
In measuring the Consistency of each operator’s performance over a 5G connection in the U.S. during Q4 2023, we found that there was no statistical winner for highest 5G Consistency.
76.7 % T-Mobile | ||||
76.3 % Verizon Wireless | ||||
68.8 % AT&T | ||||
| 0 | 20 | 40 | 60 | 80 |
Device Information
Our analysis of the most popular devices in the U.S. during Q4 2023 showed that the Apple iPhone 15 Pro Max recorded the fastest median download speed, followed by the iPhone 15 Pro. These two leading devices were followed by the Samsung Galaxy Z Fold4, the Samsung Galaxy S23 Ultra, and the iPhone 15.
Device Name | Manufacturer | Median Download Mbps | Median Upload Mbps | Median Median Multi-Server Latency ms |
|---|---|---|---|---|
| iPhone 15 Pro Max | Apple | 213.84 | 14.70 | 54 |
| iPhone 15 Pro | Apple | 189.33 | 12.90 | 54 |
| Galaxy Z Fold4 | Samsung | 184.69 | 12.41 | 53 |
| Galaxy S23 Ultra | Samsung | 181.04 | 13.88 | 52 |
| iPhone 15 | Apple | 172.12 | 12.16 | 55 |
Manufacturer Information
We examined combined performance by major cell phone manufacturers and found that there was no statistical winner in the United States during Q4 2023.
Manufacturer | Median Download Mbps | Median Upload Mbps | Median Median Multi-Server Latency ms |
|---|---|---|---|
| Samsung | 113.74 | 10.51 | 54 |
| Apple | 103.74 | 9.20 | 58 |
Chipset Information
Looking at popular chipsets in the U.S., the Qualcomm Snapdragon X70 5G recorded the fastest median download speed during Q4 2023 at 205.38 Mbps.
Chipset | Manufacturer | Median Download Mbps | Median Upload Mbps | Median Median Multi-Server Latency ms |
|---|---|---|---|---|
| Snapdragon X70 5G | Qualcomm | 205.38 | 14.10 | 54 |
| Snapdragon 8 Gen 2 | Qualcomm | 173.55 | 13.13 | 52 |
| Snapdragon 8+ Gen 1 | Qualcomm | 169.27 | 11.95 | 53 |
| Snapdragon X65 5G | Qualcomm | 151.54 | 11.79 | 57 |
| Snapdragon 8 Gen 1 | Qualcomm | 149.65 | 11.11 | 55 |
Regional Speeds
At the state level, Illinois recorded the fastest median mobile download speed during Q4 2023 at 138.89 Mbps. It was followed by North Dakota in second place, Rhode Island in third, Minnesota fourth, and Nevada fifth.
Vermont had the slowest median download speed at 42.29 Mbps. Maine was next slowest, then Alaska, Wyoming, and Mississippi.
T-Mobile was the fastest mobile operator in 46 states and the District of Columbia during Q4 2023. Verizon was the fastest in North Dakota, GCI was fastest in Alaska, while results were too close to call in South Dakota and Vermont.
Rank | State | Median Download Mbps | Median Upload Mbps | Median Multi-Server Latency | Fastest Provider | Provider's Median Download Mbps |
|---|---|---|---|---|---|---|
| 1 | Illinois | 138.89 | 10.91 | 45 | T-Mobile | 199.47 |
| 2 | North Dakota | 129.73 | 12.92 | 80 | Verizon Wireless | 192.33 |
| 3 | Rhode Island | 129.50 | 12.70 | 50 | T-Mobile | 172.65 |
| 4 | Minnesota | 128.22 | 9.19 | 61 | T-Mobile | 187.26 |
| 5 | Nevada | 125.54 | 11.18 | 53 | T-Mobile | 150.25 |
| 6 | District of Columbia | 124.90 | 13.19 | 44 | T-Mobile | 242.56 |
| 7 | New Jersey | 123.26 | 12.45 | 46 | T-Mobile | 155.39 |
| 8 | Arizona | 121.72 | 9.17 | 61 | T-Mobile | 195.64 |
| 9 | New York | 117.61 | 13.71 | 49 | T-Mobile | 182.52 |
| 10 | Utah | 117.52 | 10.71 | 67 | T-Mobile | 157.23 |
City Speeds
Glendale, Arizona had the fastest median mobile download speed among the 100 most populous cities in the U.S. at 224.51 Mbps during Q4 2023. Plano, Texas was second; St Paul, Minnesota was third; Indianapolis, Indiana fourth; and Chandler, Arizona was fifth.
Anchorage, Alaska had the slowest median mobile download speed among the U.S.’s 100 most populous cities during Q4 2023 at 58.32 Mbps. Laredo, Texas was second slowest; Reno, Nevada third slowest; Fremont, California fourth slowest; and Richmond, Virginia was fifth slowest.
T-Mobile was the fastest operator in 67 of the 100 most populous cities in the U.S. during Q4 2023. Verizon Wireless was the fastest provider in Irvine, California; Miami, Florida; and El Paso, Texas. AT&T was fastest in Pittsburgh, Pennsylvania. Results were statistically too close to call in 29 cities.
Rank | City | Median Download Mbps | Median Upload Mbps | Median Multi-Server Latency | Fastest Provider | Provider's Median Download Mbps |
|---|---|---|---|---|---|---|
| 1 | Glendale, AZ | 224.51 | 13.02 | 54 | -Winner cannot be statistically verified. | -Winner cannot be statistically verified. |
| 2 | Plano, TX | 219.91 | 13.34 | 37 | T-Mobile | 274.09 |
| 3 | St Paul, MN | 217.07 | 14.35 | 55 | -Winner cannot be statistically verified. | -Winner cannot be statistically verified. |
| 4 | Indianapolis, IN | 216.22 | 13.00 | 46 | -Winner cannot be statistically verified. | -Winner cannot be statistically verified. |
| 5 | Chandler, AZ | 203.49 | 10.21 | 55 | -Winner cannot be statistically verified. | -Winner cannot be statistically verified. |
| 6 | Raleigh, NC | 202.98 | 11.89 | 59 | T-Mobile | 336.68 |
| 7 | Bakersfield, CA | 199.24 | 11.05 | 50 | T-Mobile | 361.69 |
| 8 | Nashville, TN | 197.97 | 13.19 | 55 | T-Mobile | 247.37 |
| 9 | Gilbert, AZ | 197.32 | 8.57 | 56 | T-Mobile | 256.63 |
| 10 | Scottsdale, AZ | 188.26 | 10.86 | 56 | T-Mobile | 304.56 |
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