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X64dbg VS LLDB

Compare X64dbg VS LLDB and see what are their differences

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X64dbg logo X64dbg

X64dbg is a debugging software that can debug x64 and x32 applications.

LLDB logo LLDB

Debugger for C, C++, Objective-C, Objective-C++, Swift.
  • X64dbg Landing page
    Landing page //
    2022-10-28
  • LLDB Landing page
    Landing page //
    2023-08-27

X64dbg features and specs

  • User-Friendly Interface
    X64dbg features an intuitive and user-friendly graphical interface that makes it easier for both beginners and experienced users to navigate and operate the debugger.
  • Open Source
    Being open-source, X64dbg allows users to examine the source code, contribute to its development, and customize it to fit their specific needs.
  • Active Community and Support
    X64dbg boasts a vibrant community that provides regular updates, plugins, and extensive documentation, which enhances the tool's functionality and usability.
  • Plugin Support
    X64dbg supports plugins, enabling users to extend its capabilities and integrate with other tools or custom features.
  • Compatibility
    X64dbg supports both 32-bit and 64-bit executables, providing flexibility for a wide range of reverse engineering and debugging tasks.

Possible disadvantages of X64dbg

  • Steep Learning Curve
    Despite its user-friendly interface, X64dbg can still present a steep learning curve for beginners who are not familiar with debugging concepts and tools.
  • Performance Overheads
    Running X64dbg can sometimes introduce performance overheads, especially when debugging complex or heavily obfuscated executables.
  • Stability Issues
    Like many powerful tools, X64dbg can occasionally suffer from stability issues, such as crashes or unexpected behavior during complex debugging sessions.
  • Limited GUI Customization
    While the interface is user-friendly, there is limited scope for customization of the GUI, which might be a drawback for users who prefer a highly personalized setup.
  • Windows-Only
    X64dbg is primarily designed for Windows operating systems, which limits its usability for developers working on other platforms like Linux or macOS.

LLDB features and specs

  • Integration with LLVM
    LLDB is part of the LLVM project, which allows for tight integration with the compiler toolchain. This can lead to more accurate and efficient debugging for applications compiled with LLVM.
  • Multi-language support
    LLDB supports multiple programming languages including C, C++, Objective-C, and Swift, providing flexibility for developers working in different environments.
  • Advanced capabilities
    LLDB includes powerful features like JIT debugging, scriptability with Python, and remote debugging, which enhance its functionality and adaptability.
  • Cross-platform support
    LLDB is available on various operating systems including macOS, Linux, and Windows, making it a versatile tool for cross-platform development.
  • User-friendly interface
    LLDB offers a modern and user-friendly command-line interface, which can be easily extended with Python for customizable debugging workflows.

Possible disadvantages of LLDB

  • Steeper learning curve
    Given its advanced capabilities and features, LLDB can have a steeper learning curve, particularly for new users who are not familiar with the command-line interface.
  • Less mature than GDB
    While LLDB is a robust tool, it is generally considered less mature than GDB, especially for debugging older or less common architectures.
  • Performance overhead
    Like other debuggers, LLDB can introduce performance overhead during debugging sessions. It might be slower when dealing with large applications compared to some other debuggers.
  • Compatibility issues
    Certain features or extensions might not work consistently across all platforms, leading to potential compatibility issues for specific use cases.

Analysis of X64dbg

Overall verdict

  • Overall, x64dbg is considered a good and reliable choice for many reverse engineering and debugging tasks. Its combination of powerful features, an active community, and ongoing development makes it a strong contender in its field.

Why this product is good

  • x64dbg is widely regarded as a powerful and user-friendly debugger for reverse engineering, particularly suited for Windows applications. It supports both 32-bit and 64-bit executables and offers features such as an intuitive graphical interface, a customizable memory map, support for various plugins, and comprehensive scripting capabilities. Its open-source nature allows developers to adapt the tool to their specific needs.

Recommended for

    Security researchers, reverse engineers, malware analysts, and Windows application developers who need a robust tool for debugging and analyzing executables.

X64dbg videos

+ Add

Bypassing Anti Debuggers With x64dbg and CE

More videos:

  • Review - x64dbg: Analyze a malware dll's exported function with cmdline arguments
  • Tutorial - Reverse Engineering/Game Patching Tutorial: Full Res Roller Coaster Tycoon with Ghidra+x64dbg+Python

LLDB videos

+ Add

Debugging with LLVM A quick introduction to LLDB and LLVM sanitizers

More videos:

  • Review - Original Vietnam Special Forces 1st Pattern Jungle Jacket w/ LLDB Pocket Hanger

Category Popularity

0-100% (relative to X64dbg and LLDB)

X64dbg

LLDB

IDE
71 71%
IDE
29% 29
Software Development
72 72%
Software Development
28% 28
OS & Utilities
60 60%
OS & Utilities
40% 40
Decompiler
100 100%
Decompiler
0% 0

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare X64dbg and LLDB

X64dbg Reviews

Reverse engineering tools review
Number of supported features is really impressing, plugins, built-in scripting language, Yara signatures scanning, built-in decompiler and many more. And it's development is very active. Taking the fact that 64 bit OllyDbg never left the development stage, x64dbg has become de facto standard debugger for 64 bit applications.
Source: www.pelock.com

LLDB Reviews

We have no reviews of LLDB yet.
Be the first one to post

Social recommendations and mentions

Based on our record, LLDB seems to be more popular. It has been mentiond 10 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

X64dbg mentions (0)

We have not tracked any mentions of X64dbg yet. Tracking of X64dbg recommendations started around Jul 2021.

LLDB mentions (10)

  • Waiting for... a Debugger
    When using a debugger such as gdb or lldb, typically you:. - Source: dev.to / 10 months ago
  • My Personal Serverless Rust Developer Experience. It’s Better Than You Think
    I'm on the record of loving the VSCode experience with Rust. And I do think that it's amazing that a "non-IDE" can feel so much like an IDE. However, I've recently pivoted off of that stance. I know it's still in EAP, but Rust Rover gives me all of the things that I get from VSCode plus an easier integration with LLDB. - Source: dev.to / over 1 year ago
  • Taming the dragon: using llnode to debug your Node.js application
    Fortunately, we can use this same technique with our Node.js applications! This is possible through llnode: a LLDB plugin which enables us to inspect Node.js core dumps. With llnode, we can inspect objects in the memory and look at the complete backtrace of the program, including native (C++) frames and JavaScript frames. It can be used on a running Node.js application or through a core dump. - Source: dev.to / almost 2 years ago
  • How to Debug WASI Pipelines with ITK-Wasm
    The CMake-based, itk-wasm build system tooling enables the same C++ build system configuration and code to be reused when building a native system binary or a WebAssembly binary. As a result, native binary debugging tools, such as GDB, LLDB, or the Visual Studio debugger can be utilized. - Source: dev.to / over 2 years ago
  • What is the debug drawer?
    The debugger component of the LLVM project. It’s what you’re typing into when you type po someExpression. https://lldb.llvm.org/ Web searches could help explain a lot of this for you 😊. Source: over 2 years ago
View more

What are some alternatives?

When comparing X64dbg and LLDB, you can also consider the following products

OllyDbg - OllyDbg is a 32-bit assembler level analysing debugger.

IDA - The best-of-breed binary code analysis tool, an indispensable item in the toolbox of world-class software analysts, reverse engineers, malware analyst and cybersecurity professionals.

SoftICE - SoftICE is a debugging software for windows and DOS that analyzes all your programs and repairs them.

WinDbg - WinDbg is a multipurposed debugger for Microsoft Windows, distributed on the web by Microsoft as...

Ghidra - Software Reverse Engineering (SRE) Framework

Nirsoft Simple Program Debugger - Nirsoft Simple Program Debugger is a debugging software that analyzes and displays all major debugging events across your computer, after connecting to either the running program or starting a new program in the debugging mode.

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