Difference Wiki

VNC vs. UltraVNC: What's the Difference?

Edited by Aimie Carlson || By Janet White || Published on March 1, 2024
VNC (Virtual Network Computing) is a protocol for remote desktop access, while UltraVNC is a software implementation of VNC with added features like file transfer.

Key Differences

VNC is a standard protocol that allows a computer to be controlled remotely over a network. UltraVNC is a specific software implementation of VNC, providing additional functionalities and enhancements.
VNC provides basic remote desktop access capabilities. UltraVNC, on the other hand, includes advanced features like file transfer, chat, and more efficient encoding methods.
VNC is widely compatible with various operating systems and has many different implementations. UltraVNC is primarily designed for Windows, focusing on optimizing the experience on that platform.
VNC offers a basic, straightforward remote access experience. UltraVNC aims to improve this with faster performance, better encryption, and user-friendly options like a built-in chat system.
VNC is a general protocol with several implementations by different developers. UltraVNC is developed by one team, ensuring consistent updates and features tailored for its specific user base.

Comparison Chart


A protocol for remote desktop control
A software implementing VNC with extra features

Key Features

Basic remote access
Advanced features like file transfer, chat

Primary Compatibility

Broad OS compatibility
Optimized for Windows


Standard remote access performance
Enhanced performance and encoding


General remote access
User-friendly and secure remote access

VNC and UltraVNC Definitions


VNC allows users to see and interact with a desktop environment from another device.
With VNC, managing my server remotely is straightforward.


UltraVNC is an enhanced version of VNC with additional features for Windows.
I installed UltraVNC for its advanced file transfer capabilities.


VNC operates over a network, enabling remote desktop viewing and control.
VNC helps in troubleshooting computers remotely.


UltraVNC includes features like file transfer, chat, and encryption.
UltraVNC's chat feature makes remote support more interactive.


VNC is platform-independent, working across different operating systems.
VNC's cross-platform capabilities are essential for our diverse IT environment.


UltraVNC offers more efficient data encoding for faster remote control.
With UltraVNC, remote sessions are much quicker and more responsive.


VNC supports various network configurations and is used for remote support and management.
Our IT team uses VNC for providing remote assistance to employees.


UltraVNC is tailored for Windows, providing optimized performance on this OS.
UltraVNC runs smoothly on our Windows-based network.


VNC is a protocol for remotely accessing and controlling a computer.
I used VNC to access my office computer from home.


UltraVNC focuses on enhancing user experience and security in remote access.
UltraVNC's encryption adds an extra layer of security to our remote connections.


What is UltraVNC?

UltraVNC is a VNC software with additional features, optimized for Windows.

How does UltraVNC differ from standard VNC?

UltraVNC includes extra features like file transfer and chat, specifically for Windows.

Can UltraVNC be used on non-Windows systems?

UltraVNC is primarily designed for Windows, though clients may connect to other systems.

Is UltraVNC free to use?

Yes, UltraVNC is free and open-source software.

What is VNC?

Virtual Network Computing, a protocol for remote desktop access.

Can I transfer files using VNC?

Standard VNC doesn't support file transfer, but UltraVNC does.

Can VNC be used over the internet?

Yes, VNC can work over the internet, but it requires proper network configuration.

What platforms does VNC support?

VNC is platform-independent, supporting various operating systems.

How does UltraVNC improve remote access?

UltraVNC offers faster performance and added functionalities like file transfer.

Is VNC secure for remote access?

VNC can be secure, but it depends on the implementation and use of encryption.

Does UltraVNC offer better performance than VNC?

UltraVNC is optimized for better performance, particularly on Windows.

Does VNC require client software installation?

Yes, VNC requires client software to connect to the remote server.

Are there alternatives to VNC and UltraVNC?

Yes, there are many remote desktop solutions like TeamViewer, RemotePC, and RDP.

Is a VNC connection easy to set up?

Setting up a VNC connection can be straightforward but requires network knowledge.

Can UltraVNC be used for commercial purposes?

Yes, UltraVNC can be used commercially, adhering to its license terms.

What are the typical uses of UltraVNC?

UltraVNC is commonly used for remote support, administration, and accessing remote desktops.

Does UltraVNC provide encrypted connections?

UltraVNC supports encryption for secure remote access.

Can multiple users connect to one machine via VNC?

Yes, depending on the VNC server settings, multiple connections are possible.

How do I choose between VNC and UltraVNC?

Choose based on your OS, required features, and performance needs.

Does UltraVNC support multiple monitors?

Yes, UltraVNC supports multiple monitors in remote sessions.
About Author
Written by
Janet White
Janet White has been an esteemed writer and blogger for Difference Wiki. Holding a Master's degree in Science and Medical Journalism from the prestigious Boston University, she has consistently demonstrated her expertise and passion for her field. When she's not immersed in her work, Janet relishes her time exercising, delving into a good book, and cherishing moments with friends and family.
Edited by
Aimie Carlson
Aimie Carlson, holding a master's degree in English literature, is a fervent English language enthusiast. She lends her writing talents to Difference Wiki, a prominent website that specializes in comparisons, offering readers insightful analyses that both captivate and inform.

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