The Sundarban
Revealed Mar 28, 2026, 1:00 PM EDT
Brady is a skills journalist for MakeUseOf with years of skills holding all issues mobile, computing, and overall tech. He has a highlight on Android phones and audio instruments, and holds a B.S. in Journalism from St. John’s University.
Brady has written for publications cherish Android Central, Android Authority, XDA, Android Police, iMore, and others. He has skills reporting on main occasions held by Google, Apple, and Samsung, as properly as commerce shows cherish Lenovo Innovation World and IFA.
When he’s not writing about and attempting out the most up-to-date items, it’s possible you’ll moreover fetch Brady staring at Immense East basketball and running.
USB and Thunderbolt are now intertwined, nevertheless that does not repeatedly have confidence issues more straightforward. Thunderbolt 4 and Thunderbolt 5 are backwards-properly matched with other specifications, cherish USB4, Thunderbolt 3, and even older USB variations. This outcomes in the overall misconception that USB4 is the same as Thunderbolt. Basically, USB4 handiest has the doable to match Thunderbolt 5 in about a areas — nevertheless handiest Thunderbolt in point of fact realizes that doable.
It all comes down to the difference in minimal specifications between USB and Thunderbolt. Solely about a minimal specifications are required for a cable or machine to be branded as USB4, which device it’s possible you’ll moreover accept vastly plenty of performance from devices or cables that survey the same. Thunderbolt, on the other hand, is all about consistency. While you look the Thunderbolt 5 logo, precisely what it’s possible you’ll moreover very properly be going to accept, and that’s what makes it massive.
Faster speeds are just the beginning
Thunderbolt 5 is twice as speedy as USB4, nevertheless that’s handiest the originate
USB Form-C cables, whether they feature USB or Thunderbolt connectivity protocols, are historical for vital greater than data switch in 2026. Speed is just one part in the equation, nevertheless Thunderbolt 5 has the edge. The Thunderbolt 5 standard mandates all cables and devices toughen an recordsdata switch rate of 80Gbps. This speedy, bidirectional switch speed is four occasions the minimal speed equipped by USB4. Taking issues one step further, Thunderbolt 5 affords a “Bandwidth Boost” feature that bumps speeds up to 120Gbps for select graphics-intensive workflows.
Speed is not the main cause to make your mind up for Thunderbolt 5 over USB4. That is on yarn of USB4 is on the market at 80Gbps speeds. Then again, these speeds are handiest to be had with USB4 Version 2.0 cables, which can be currently reasonably rare and visually indistinguishable from other USB4 cables. The majority of USB4 cables and devices offer 40Gbps speeds, or half of that of Thunderbolt 5. That acknowledged, handiest 20Gbps speeds are required for a cable to sport USB4 branding.
It’s one in every of the main causes Thunderbolt is extra advantageous than USB. While you obtain a USB4 cable, it may per chance well per chance per chance moreover toughen either 20Gbps, 40Gbps, or 80Gbps speeds. There’s a grand swing between the minimal and most specifications of USB4. With out the honest branding, it’s possible you’ll moreover never know which speeds or aspects a cable or machine may per chance per chance per chance moreover toughen. Thunderbolt 4 is repeatedly 40Gbps and Thunderbolt 5 is repeatedly 80Gbps, simplifying issues.
Connected
Not all USB-C cables are the same
I handiest aquire Thunderbolt 4 cables now, on yarn of USB-C cables are not made equal. These are the key differences to survey out for.
Thunderbolt 5 affords better demonstrate and charging specs
You accept loads of 8K video outputs and not lower than 140W energy offer
Credit: Jerome Thomas / MakeUseOf
Previous speed, many USB4 aspects are not compulsory. In overall, USB4 devices and cables are expected to toughen USB Power Supply for charging and DisplayPort Alt mode for demonstrate output. The vital segment is that the minimal port energy for USB4 is 7.5W, so speedy charging is not a given. The preference of supported displays, refresh rate, and resolution also fluctuate wildly between USB4 ports and cables. It’s up to producers to optionally expand on USB4’s minimal specifications, and even supposing they attain, these changes are not seen from the birth air.
Thunderbolt 5 guarantees minimal charging and demonstrate specs device beyond what USB4 affords. While the USB4 port energy minimal is 7.5W, the Thunderbolt 5 specification requires a 140W minimal. The most is a whopping 240W, which is the same as USB4. This is another case the put Thunderbolt 5 and USB4 have confidence the same most speeds, nevertheless Thunderbolt 5 has the elevated floor.
Expose toughen is another main obtain for Thunderbolt, as one Thunderbolt 5 port or cable can energy three 8K screens at 60Hz refresh charges. A single 4K demonstrate can reach refresh charges up to 540Hz, or dual 8K displays may per chance well also be powered at 60Hz. In other phrases, whether you’d like loads of displays, a excessive-refresh-rate demonstrate, or a excessive-resolution demonstrate, Thunderbolt 5 has you lined. In the period in-between, USB4 maxes out at 8K/60Hz or 4K/240Hz — and even these are removed from guaranteed.
Thunderbolt 5 also bakes in DisplayPort 2.1 toughen, while handiest USB4 Version 2.0 affords the same compatibility.
Connected
Cable standards are a mess, nevertheless you shouldn’t blame USB-C
Universal connectors are handy in theory. With out visual differences, it’s onerous to state which USB-C cables toughen every connectivity standard.
The minimal specs are the separator
USB4 can match Thunderbolt 5 in some eventualities, nevertheless it absolutely’s not guaranteed
Credit: Yadullah Abidi / MakeUseOf
I’ve written the phrases “minimum specifications” greater than about a occasions, nevertheless the emphasis is for honest cause. With the absolute handiest specifications, USB4 Version 2.0 can match Thunderbolt 5 in data switch speeds and charging speeds. The verbalize is that the worst USB4 cable is slower than Thunderbolt 5 by a massive margin. All the not compulsory spec bumps and aspects within the USB4 standard manufacture a convoluted skills the put not every port or feature works the same.
There’s no such thing as a “worst Thunderbolt 5 cable,” on yarn of every Thunderbolt 5 port or cable supports the very same specs.
