Why Your Phone Is Faster Than Your Laptop on the Same Wi-Fi

You're troubleshooting your home internet. Speed test on the phone: 200 Mbps. Same test on the laptop sitting right next to it: 60 Mbps. Same network, same router, same room. The laptop is the bigger, more expensive, more powerful machine, and it is losing by a factor of three.

Almost nobody who lands here has an internet problem. The number that matters is the link rate each device negotiated with the router, and there are four things that set it. Three of them are free to fix. Here is how to find out which one you have, in about a minute, before you buy anything.

First, Measure the Right Thing

Before theorizing, get the one number that explains most cases: the link rate your laptop actually negotiated with the router. That is different from your internet speed, and it is the ceiling everything else sits under. A laptop with a 144 Mbps link rate cannot produce a 200 Mbps speed test result no matter how fast your plan is.

Windows: open a terminal and run netsh wlan show interfaces. Read the Radio type (which Wi-Fi generation you negotiated), Band, Channel, and Receive/Transmit rate.

macOS: hold Option and click the Wi-Fi icon in the menu bar, which reveals PHY mode, channel, and Tx Rate. If your macOS version has rearranged that menu, the same fields live in System Information under Network, then Wi-Fi.

Do the same on the phone if you can, then compare. In almost every case the two devices differ on generation, band, or channel width, and the rest of this article is about which one it was.

The Radio Generation Mismatch

Wi-Fi generations, and what each one added:

• Wi-Fi 4 (802.11n) — 2.4 and 5 GHz. Anything still on this is the bottleneck, full stop.
• Wi-Fi 5 (802.11ac) — 5 GHz only, up to 80 or 160 MHz channels. Still very common in laptops from the late 2010s.
• Wi-Fi 6 (802.11ax) — better efficiency under load via OFDMA, which matters most on crowded networks rather than empty ones.
• Wi-Fi 6E — Wi-Fi 6 plus access to the 6 GHz band, which is the real upgrade because that spectrum is largely empty.
• Wi-Fi 7 (802.11be) — 320 MHz channels, denser encoding, and Multi-Link Operation, which lets a device use more than one band at once instead of picking one.

Here is why this bites so reliably: phones get replaced every two or three years and laptops get replaced every five to seven. So the phone in your pocket is routinely two Wi-Fi generations ahead of the laptop next to it. That is the single most common explanation for the gap, and it is not a defect in either device.

The 6 GHz split makes it sharper than it used to be. A Wi-Fi 6E or 7 phone on a 6 GHz network is on clean spectrum with wide channels, while a Wi-Fi 5 laptop cannot see that band at all and is sharing 5 GHz with every neighbor. Same router, same room, and the two devices are effectively on different networks.

On the laptop side the fix is a USB Wi-Fi adapter of a current generation, or replacing the internal card if the machine allows it, which many thin laptops no longer do. Check what your router actually supports first: a Wi-Fi 7 adapter connected to a Wi-Fi 5 router buys you nothing.

The Band Decision

Routers now broadcast on two or three bands: 2.4 GHz, 5 GHz, and on newer hardware 6 GHz. Higher bands carry much more throughput but travel less far and pass through walls worse. Phones tend to prefer the highest band they can hold; laptops sometimes sit on 2.4 GHz because their roaming logic is older, their signal is weaker, or they never left the band they first joined.

A laptop stuck on 2.4 GHz plateaus around 60 to 100 Mbps regardless of how fast your internet plan is, because that is roughly what the band delivers in a real home with neighbors, microwaves, and Bluetooth in it. A phone on 5 or 6 GHz on the same network pulls several times that.

Because most routers now advertise every band under one SSID and decide for you, the reliable diagnostic is the netsh or Option-click check above rather than the network name. If your laptop is parked on the wrong band, temporarily splitting the bands into separate SSIDs in the router admin panel lets you pin it, which is worth doing to confirm the diagnosis even if you merge them again afterwards.

Channel Width, the Setting Nobody Checks

Two devices can be on the same band and the same Wi-Fi generation and still differ by a factor of four, because channel width is negotiated per device. Roughly speaking, throughput scales with it: 80 MHz carries about twice what 40 MHz does, and 160 MHz about twice that again.

Laptops fall back to narrower channels for unremarkable reasons. Weaker signal makes a wide channel unreliable, so the device narrows it to stay connected. Radar detection on certain 5 GHz channels can force a fallback. Some drivers cap width in power-saving mode. The result is a laptop holding a perfectly healthy connection at a quarter of the throughput, with no error anywhere to indicate it.

Antenna Design Matters Less Than You'd Think

Phone antennas are tiny because they have to be. Laptop antennas have more space. You'd expect the laptop to win on physical antenna design, and historically it did. That gap has closed, because phone antenna engineering matured fast, with beamforming, MIMO, and coordinated arrays of small antennas outperforming a single larger one. Metal-heavy laptop chassis, which is most premium laptops, work against them here too.

Practical implication: the antenna isn't the bottleneck for either device most of the time. The radio standard, the channel width, and the router's queue management matter more.

Router QoS and the Bandwidth Allocation

Most consumer routers run a queue-management algorithm that doles out bandwidth across connected devices roughly fairly under load. When the network is idle, the device that requests bandwidth first gets it. A phone running a speed test grabs bandwidth aggressively because the test is short. A laptop running a speed test does the same, but if the laptop has a slower radio, it can't actually fill its allocation, so the bandwidth that would have gone to it sits idle.

On a busy network with a lot of devices competing, the gap between phone and laptop sometimes closes because no single device is getting peak bandwidth. On a quiet network, the gap is most pronounced because the phone's faster radio can saturate the connection while the laptop's older radio can't.

Work Through It In This Order

Cheapest and most likely first:

1. Plug the laptop in and re-test. If the number jumps, it was power management and you are done.
2. Read the link rate with netsh or Option-click. Compare generation, band, and channel width against the phone.
3. Move next to the router and re-test. A large improvement means signal strength was forcing a narrower channel or a lower band, which is a coverage problem rather than a hardware one.
4. Then, and only then, buy something.If the laptop is a generation or more behind the router, upgrade the laptop's adapter. If the router is the older device, no adapter will help.

Worth separating two ideas that get conflated here, too: throughput is not responsiveness. A connection can post an excellent speed test and still feel sluggish, which is the distinction covered in latency versus bandwidth.