Thunderbolt 5: What It Means for Creators and Gamers

If you feel limited by the connection speeds between your laptop and your peripherals, Intel’s Thunderbolt 5 is the upgrade you have been waiting for. This new standard effectively doubles the performance of the previous generation. It promises to eliminate the bottlenecks that have frustrated video editors and gamers who rely on external hardware.

The Massive Jump in Bandwidth

The headline feature of Thunderbolt 5 is speed. For the past few years, Thunderbolt 3 and Thunderbolt 4 have maxed out at 40 gigabits per second (Gbps). While that was fast enough for basic docks, it struggled with high-resolution multi-monitor setups and high-speed storage.

Thunderbolt 5 raises the floor to 80 Gbps of bi-directional bandwidth. This means you can send and receive data at that speed simultaneously. However, it uses a unique feature called Bandwidth Boost to go even higher. When the connection detects a video-intensive scenario, such as connecting to multiple 8K monitors, it can reallocate the lanes to provide up to 120 Gbps for transmitting data while reserving 40 Gbps for receiving.

This is achieved using a signaling technology called PAM-3 (Pulse Amplitude Modulation with 3 levels). This allows more data to be pushed through existing wires without requiring a complete reinvention of the physical connector.

Unleashing External GPUs (eGPUs)

For gamers, the most exciting aspect of Thunderbolt 5 is the increase in PCIe data throughput. This is the specific lane of traffic that external graphics cards (eGPUs) use to talk to your laptop.

Under Thunderbolt 4, PCIe data was capped at 32 Gbps. This created a significant performance penalty. If you connected a powerful card like an NVIDIA GeForce RTX 4090 externally, you would lose 20% or more of its performance compared to a desktop setup because the cable physically could not send data fast enough.

Thunderbolt 5 doubles this PCIe throughput to 64 Gbps. This creates a much wider lane for graphics data. With this upgrade, laptop gamers can finally use external desktop-class graphics cards with minimal performance loss. It transforms a thin-and-light laptop into a genuine gaming powerhouse when docked at home.

Storage Speed for Content Creators

Video editors and 3D artists deal with massive file sizes. Moving terabytes of 8K RAW footage from an external drive to a laptop can take hours on slower connections.

Current Thunderbolt 4 SSDs usually cap out around 3,000 MB/s (megabytes per second). With the doubled bandwidth of Thunderbolt 5, external NVMe SSDs can theoretically reach speeds closer to 6,000 MB/s or higher. This rivals the speed of the internal storage found in high-end workstations.

For a creator using Adobe Premiere Pro or DaVinci Resolve, this means you can edit footage directly off an external drive without dropped frames or stuttering playback. You no longer need to waste time copying files to your internal drive just to get smooth performance.

Display Support and Refresh Rates

The increase in bandwidth also translates to superior display support. Thunderbolt 5 creates enough headroom to run multiple 8K displays simultaneously. For gamers who prioritize frame rates over resolution, the standard supports refresh rates up to 540Hz on compatible monitors.

This is strictly necessary for the new wave of gaming monitors utilizing DisplayPort 2.1. Without the 80 Gbps (or 120 Gbps boosted) pipeline, you physically cannot drive these monitors at their maximum settings from a single cable.

Single-Cable Charging up to 240W

Cable clutter is a major annoyance for high-performance laptop users. Previously, Thunderbolt 4 could technically support up to 100W of power delivery (and later 140W with specific updates), but this wasn’t enough for gaming laptops. A powerful rig like the Razer Blade 16 or MSI Raider requires much more power, forcing users to plug in a docking station and a proprietary power brick.

Thunderbolt 5 mandates support for at least 140W and allows for up to 240W of power delivery. This is enough juice to run and charge most 16-inch and 18-inch gaming laptops with a single cable. You can leave the heavy power brick in your travel bag and rely on your Thunderbolt dock for everything when you are at your desk.

Hardware Availability

You cannot simply download a software update to get Thunderbolt 5; you need new hardware. The technology requires the new Intel “Barlow Ridge” controller.

Currently, this is appearing in laptops equipped with Intel Core 14th Gen HX-series processors. One of the first prominent devices to feature this technology is the Razer Blade 18 (2024 model). As we move through the year, expect to see this standard adopted by high-end mobile workstations from Dell Precision and HP ZBook lines, as well as premium docks from brands like Kensington and Belkin.

Frequently Asked Questions

Is Thunderbolt 5 backwards compatible? Yes. Thunderbolt 5 ports are compatible with Thunderbolt 4, Thunderbolt 3, and USB4 accessories. However, they will only operate at the speed of the older device.

Do I need to buy new cables? To get the full 80 Gbps or 120 Gbps speeds, yes. You need cables specifically certified for Thunderbolt 5. However, passive Thunderbolt 4 cables up to 1 meter in length may still support the higher speeds due to the signaling similarities.

Does this work with AMD laptops? Thunderbolt is an Intel technology. However, the underlying technology is based on the USB4 Version 2.0 standard. AMD laptops will eventually support these speeds under the “USB4 80Gbps” name, though they may not carry the specific Thunderbolt branding.

Can I upgrade my current laptop to Thunderbolt 5? No. The technology requires a specific controller chip soldered onto the motherboard. You must purchase a new computer to utilize these speeds.