144Hz vs 120Hz Docking Stations in 2026: Key Differences
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When choosing a 144Hz vs 120Hz docking station, you need to match the hardware to your display capabilities. Both the Plugable Thunderbolt 5 dock and the HP USB-C G6 dock support high refresh rates for smooth visuals. The Plugable unit targets heavy users with Thunderbolt 5 connectivity and dual 4K 144Hz output. The HP dock offers a simpler USB-C connection with 120Hz support. Your choice depends on your laptop interface and power needs.
Key differences
| Aspect | Plugable Thunderbolt 5 Dual HDMI Dock | HP G6 USB-C 100W Dock |
|---|---|---|
| Refresh Rate | 144Hz | 120Hz |
| Host Interface | Thunderbolt 5, Thunderbolt 4, USB4 | USB-C |
| Power Delivery | 140W | 100W |
| Max Resolution | 8K@60Hz, 4K@144Hz | not listed |
| Display Support | Dual | not listed |
Which one should you choose?
Choose Plugable Thunderbolt 5 Dual HDMI Dock if
- You have a Thunderbolt 5 or Thunderbolt 4 laptop and need dual 4K displays at 144Hz.
- You require up to 140W of power delivery for high-performance laptops.
- You want extensive connectivity with six USB-C ports and 2.5Gbps Ethernet.
Choose HP G6 USB-C 100W Dock if
- You prefer a standard USB-C connection for broader compatibility with most laptops.
- You need up to 100W of power delivery for standard productivity setups.
- You value a compact design with intuitive LED lighting and on-screen notifications.
Verdict: The Plugable Thunderbolt 5 dock is the better choice for users with Thunderbolt-equipped laptops who demand the highest refresh rates and maximum power delivery. The HP USB-C G6 dock suits those who prioritize simple USB-C connectivity and a compact form factor for everyday tasks.
Refresh Rate and Display Specs
Refresh Rate
The Plugable Thunderbolt 5 dock supports up to 144Hz refresh rates when connected to a compatible host. This allows for smoother motion in gaming or fast-paced video editing. The HP USB-C G6 dock supports up to 120Hz. This is still high for general productivity and media consumption. The difference is 24Hz. If you have a 144Hz display, the Plugable unit utilizes the full potential. The HP dock will cap the output at 120Hz. You lose some fluidity if your monitor supports higher speeds. For most office tasks, 120Hz is smooth. For competitive gaming, 144Hz is better.
Resolution Support
Plugable offers dual 8K at 60Hz or dual 4K at 144Hz. This is maximum pixel performance for high-end displays. HP lists HDMI ports but does not specify the max resolution in the provided data. We cannot confirm if HP supports 4K at 120Hz or lower refresh rates at higher resolutions. Plugable clearly states its capabilities for 8K and 4K setups. You need to check HP documentation for specific resolution limits. Plugable gives you clear specs for future-proofing. HP leaves resolution details vague in this data set. If you use 8K monitors, Plugable is the only choice here.
Power Delivery
Plugable provides 140W of power delivery to your laptop. This covers most high-performance machines, including MacBook Pros and gaming laptops. HP provides 100W of power delivery. This is sufficient for many ultrabooks and standard laptops. 140W is 40W more than HP. If you have a power-hungry device, Plugable ensures it stays charged under load. HP might struggle with high-end machines. For average users, 100W is often enough. However, Plugable offers more headroom. You get more charging speed with Plugable.
Host Compatibility
Plugable works with Thunderbolt 5, Thunderbolt 4, and USB4 systems. It requires newer hardware for full features. HP works with most USB-C or Thunderbolt laptops. This broad compatibility means you can use HP with older devices. Plugable excludes Thunderbolt 3 and USB-C hosts. HP includes them. If you have an older laptop, HP is more flexible. Plugable is for modern setups only. You need a recent computer for Plugable. HP fits more systems. This makes HP the safer bet for mixed environments.
Port Count
Plugable has 16 ports total. This includes six USB-C ports, dual HDMI, Ethernet, and card readers. HP lists multiple ports but does not give a total count in the data. We know HP has HDMI and USB-C. Plugable offers significantly more connectivity options. You can connect more devices to Plugable without a hub. HP likely has fewer ports based on its compact design. If you need many connections, Plugable is better. HP is simpler. You save space with HP. Plugable is a hub replacement.
Choose the right dock for your needs
Users needing 8K or 4K 144Hz displays
The Plugable Thunderbolt 5 dock delivers up to 8K at 60Hz or 4K at 144Hz via dual HDMI 2.1 ports. This high refresh rate ensures smooth visuals for gaming or fast motion. It requires a Thunderbolt 5 or 4 host to achieve these maximum resolutions and frame rates effectively.
MacBook Pro users with M-series chips
This dock supports dual displays on MacBooks with M4, M5, and Pro or Max chips. It provides 140W power delivery and six USB-C ports. The Thunderbolt 5 interface ensures compatibility and performance for Apple Silicon laptops that need robust connectivity and high-speed data transfer capabilities.
General USB-C laptop users seeking simplicity
The HP G6 dock works with most USB-C laptops, offering a single-cable solution with up to 100W power delivery. It supports 120Hz refresh rates and includes an on-screen display for status updates. Its compact design fits easily on any desk while providing essential connectivity for everyday productivity tasks.
Quick picks
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | Plugable Thunderbolt 5 Dual HDMI Dock | Thunderbolt 5/4 laptops needing 4K 144Hz | Check price of Plugable Thunderbolt 5 Dual HDMI Dock on Amazon |
| 2 | HP G6 USB-C 100W Dock | 120Hz HDMI setups needing 100W laptop charging | Check price of HP G6 USB-C 100W Dock on Amazon |
The products compared
Plugable Thunderbolt 5 Dual HDMI Dock
Best for: Thunderbolt 5/4 laptops needing 4K 144Hz
- Refresh Rate
- 144Hz (what this guide is about)
- Host Interface
- Thunderbolt 5, Thunderbolt 4, USB4
- Display Support
- Dual
- Max Resolution
- 8K@60Hz, 4K@144Hz
- Power Delivery
- 140W
- Port Count
- 16
View on Amazon: Plugable Thunderbolt 5 Dual HDMI Dock Affiliate link
The Plugable TBT-UDH2 is a 16-port docking station featuring Thunderbolt 5 connectivity and 140W power delivery. It supports dual 8K 60Hz or 4K 144Hz displays via native HDMI 2.1 ports. This setup suits users needing high refresh rates and extensive USB-C expansion. It works with Thunderbolt 4 and USB4 hosts, though compatibility varies by processor generation. The dock includes 2.5Gbps Ethernet and front-facing charging ports for convenient device access.
Pros
- Supports 4K 144Hz refresh rates on dual displays
- 140W Power Delivery for high-power laptops
- 6 USB-C ports with 30W front charging
- Native HDMI 2.1 ports without adapters
Cons
- Base M1/M2/M3 Macs support only one external display
- Does not support Thunderbolt 3 or Windows ARM hosts
- Incompatible with gaming laptops using DisplayPort MUX
Good fit if
- You need 4K 144Hz dual monitor setups
- You use Thunderbolt 5 or 4 laptops
- You require 140W charging for workstations
Skip if
- You use Thunderbolt 3 or USB-C only hosts
- You have base M1/M2/M3 Macs needing dual screens
- You use gaming laptops with DisplayPort MUX
Verdict: Plugable Thunderbolt 5 140W Dock delivers high refresh rate performance for compatible Thunderbolt hosts. It fits users needing 4K 144Hz dual displays and robust port expansion, but excludes older USB-C or base Mac setups.
HP G6 USB-C 100W Dock
Best for: 120Hz HDMI setups needing 100W laptop charging
- Refresh Rate
- 120Hz (what this guide is about)
- Host Interface
- USB-C
- Power Delivery
- 100W
- Video Ports
- HDMI
- Connectivity
- USB-C, HDMI
- Dimensions
- 15.6 × 6.81 × 3.74 inches
View on Amazon: HP G6 USB-C 100W Dock Affiliate link
The HP G6 120Hz 100W USB-C Dock connects to your laptop over a single USB-C cable to supply video and power. It provides a 120Hz refresh rate through HDMI and delivers up to 100W of power delivery to your system. This dock suits you if you want smooth 120Hz display output alongside high-wattage charging for your everyday workspace.
Pros
- Supports 120Hz refresh rate output
- Delivers up to 100W USB-C power delivery
- Includes an extra USB-C cable in the box
- Provides on-screen display status notifications
Cons
- Refresh rate caps at 120Hz instead of 144Hz
- Video connectivity is limited to HDMI without DisplayPort
Good fit if
- You want 120Hz video output through an HDMI connection.
- You need up to 100W power delivery to charge your laptop over USB-C.
Skip if
- You require a 144Hz refresh rate for your display setup.
- You need native DisplayPort ports for your monitors.
Verdict: HP G6 120Hz 100W USB-C Dock suits laptop users who prioritize 100W host charging and 120Hz HDMI video over 144Hz bandwidth.
Specifications side by side
| Spec | Plugable Thunderbolt 5 Dual HDMI Dock | HP G6 USB-C 100W Dock |
|---|---|---|
| Host Interface | Thunderbolt 5, Thunderbolt 4, USB4 | USB-C |
| Display Support | Dual | not stated |
| Max Resolution | 8K@60Hz, 4K@144Hz | not stated |
| Power Delivery | 140W | 100W |
| Port Count | 16 | not stated |
| Video Ports | HDMI | HDMI |
| Ethernet Speed | 2.5Gbps | not stated |
| Resolution | 4K UHD | not stated |
| Connectivity | HDMI | USB-C, HDMI |
| Refresh Rate | 144Hz | 120Hz |
| Dimensions | 1.97 × 2.95 × 5.91 inches | 15.6 × 6.81 × 3.74 inches |
| Weight | 8.92 ounces | 1.49 pounds |
| Color | Space Gray | Black |
| Model | TBT-UDH2 | BS7S9AA#ABA |
| Size | not stated | 4.76 x 4.76 x2 IN |
Frequently asked questions
Can a 120Hz dock drive a 144Hz monitor?
No, the dock will cap the output at 120Hz. You will not see the full 144Hz benefit. For example, the HP USB-C G6 dock maxes out at 120Hz. It cannot push higher frame rates even if the screen supports them. You need a dock rated for 144Hz to utilize that speed.
Does the Plugable Thunderbolt 5 dock support dual 4K displays at 144Hz?
Yes, this dock is designed for that specific use case. It features dual HDMI ports capable of delivering 4K resolution at 144Hz. This makes it suitable for users who need high refresh rates on multiple screens. The HP G6 dock does not offer this same high refresh rate capability for dual setups.
Is a Thunderbolt dock necessary for 144Hz performance?
Not always, but it helps with bandwidth. The Plugable Thunderbolt 5 dock uses Thunderbolt technology to handle the high data rates required for 4K at 144Hz. Standard USB-C docks like the HP G6 often limit you to 120Hz. Check your laptop’s port type to ensure it supports the required bandwidth for your target refresh rate.
What is the power delivery difference between these docks?
The HP USB-C G6 dock provides 100W of power delivery to charge your laptop. The Plugable Thunderbolt 5 dock includes a 140W charging capability. Higher wattage allows you to charge larger laptops or devices with higher power requirements while connected to the dock. This is a key difference if you need robust charging speeds.
Do I need a special cable for 144Hz on these docks?
Yes, you need cables that support the bandwidth. The Plugable dock uses HDMI connections for its high refresh rate output. Ensure your HDMI cable supports HDMI 2.1 standards for 4K at 144Hz. The HP dock uses HDMI and USB-C. Using an older or low-quality cable can prevent your monitor from reaching its maximum refresh rate.
Which dock is better for stable productivity at 120Hz?
The HP USB-C G6 dock is a solid choice for stable 120Hz performance. It prioritizes consistent visuals and clean cable management. If you do not need 144Hz, this dock offers a reliable experience. It is well-suited for users who value stability and standard connectivity over the highest possible refresh rates or Thunderbolt speeds.