USB

What is the difference between USB-C and Thunderbolt?

Updated 2026-08-14

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Quick answer

USB-C is a connector type, while Thunderbolt is a protocol that can use the USB-C connector for high-speed data transfer and video output.

Understanding the distinction between USB-C and Thunderbolt can help users maximize their device capabilities and compatibility.

Steps

  1. 1

    Check Device Specifications

    To determine if your USB-C port supports Thunderbolt, refer to the manufacturer's documentation or the device's technical specifications.

  2. 2

    Identify Cable Type

    Use a Thunderbolt-certified cable for optimal performance. USB-C cables may not support Thunderbolt speeds.

USB-C Connector

USB-C is a universal connector that supports various protocols, including USB 3.1, USB 3.2, and USB Power Delivery. It allows for reversible plug orientation and can deliver power up to 100W.

Thunderbolt Technology

Thunderbolt, developed by Intel, supports data transfer speeds up to 40 Gbps and can daisy-chain multiple devices. Thunderbolt 3 and 4 use the USB-C connector but offer additional features like support for multiple 4K displays.

Compatibility

While all Thunderbolt ports are USB-C compatible, not all USB-C ports support Thunderbolt. Check device specifications to ensure compatibility.

Watch out for

  • Not all USB-C ports support Thunderbolt, so it's important to verify compatibility before purchasing accessories.

FAQ

Can I use a USB-C charger with a Thunderbolt device?

Yes, you can use a USB-C charger with a Thunderbolt device, but charging speed may vary based on the charger’s wattage.

What devices typically use Thunderbolt?

Thunderbolt is commonly found in high-performance laptops, external GPUs, and docking stations.

Are there different versions of Thunderbolt?

Yes, there are several versions of Thunderbolt, with Thunderbolt 3 and 4 being the most widely used, both utilizing the USB-C connector.