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Head-to-head · Commodore 64 Emulators

VICE vs TRX64

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score VICE #1 in Commodore 64 Emulators 9.4/10 Free plan Free plan✓ 1 of 3 features Visit VICE
TRX64 #4 in Commodore 64 Emulators 8.6/10 Open source ✓ 1 of 3 features Visit TRX64

VICE leads on 0 checks, TRX64 on 0, and 3 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreVICE · 9.4/10
  • Free planonly VICE

VICE scores higher on our rubric for commodore 64 emulators: 9.4 against 8.6 out of 10; our editors rank them #1 and #4.

VICE is the better fit for multi-platform Commodore 8-bit emulation. TRX64 is the better fit for developers building emulator-controlled workflows.

  • VICE fits best

    Multi-platform Commodore 8-bit emulation

  • TRX64 fits best

    Developers building emulator-controlled workflows

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Side by side

Feature VICE 9.4/10 Visit ↗ TRX64 8.6/10 Visit ↗
At a glance
Editor score 9.4 8.6
Ranking #1 in Commodore 64 Emulators #4 in Commodore 64 Emulators
Best for Multi-platform Commodore 8-bit emulation Developers building emulator-controlled workflows
Pricing model Free Free
Starting price Free plan Open source
Free plan ✓ (best) Not checked yet
Free trial — —
Deployment Desktop, Mobile Desktop, Self-hosted
Platforms Windows, macOS, Linux, Android Windows, macOS, Linux
Support Email, Tickets, Community, Docs Community
Built for Solo, Small business Solo, Small business
Features VICE 1/3 · TRX64 1/3
Built-in debugger Not checked yet ✓ (best)
Netplay support ✓ (best) Not checked yet
Bundled software library Not checked yet Not checked yet
Specs
Supported platforms Not checked yet Windows, macOS, Linux
Disk and tape formats Not checked yet D64, G64, CRT, REU, VSF
Emulated C64 variants Not checked yet C64, C128, Ultimate 64, Elite II, C64 Ultimate
Our review
Pros
  • Cycle-accurate 6502/6510 CPU and chip-timing emulation
  • Supports Windows, macOS, Linux and Android
  • Includes debugger, media formats and network play
  • Headless C64 and 1541 emulation supports automated workflows
  • JSON-RPC 2.0 over WebSocket enables programmatic control
  • Reverse stepping, rewind, checkpoints, and trace analysis aid debugging
Cons
  • Network play is experimental and may be unstable
  • Requires system ROM files for emulation
  • Focused on Commodore systems rather than arcade support
  • Focused on development and reverse engineering rather than casual game playing
  • Users must supply their own C64 ROMs
  • Requires comfort with APIs, emulation, and debugging workflows
Our verdict

VICE is a free, open-source emulator collection for software made for Commodore 8-bit computers. It covers the C64, C64DTV, C128, VIC-20, PET, PLUS4, SCPU64 and CBM-II through separate emulators that share a common interface, settings and…

Read the review →

TRX64 is an open-source Commodore 64 emulation runtime written in Rust for developers working on reverse engineering, debugging, automation, and emulator-controlled workflows. Its headless daemon, native emulator window, terminal cockpit,…

Read the review →
  1. VICECommodore 64 Emulators 9.4Free plan
  2. TRX64Commodore 64 Emulators 8.6Open source

Strengths and trade-offs

  • VICE — where it wins

    • Cycle-accurate 6502/6510 CPU and chip-timing emulation
    • Supports Windows, macOS, Linux and Android
    • Includes debugger, media formats and network play

    Where it doesn't

    • Network play is experimental and may be unstable
    • Requires system ROM files for emulation
    • Focused on Commodore systems rather than arcade support

  • TRX64 — where it wins

    • Headless C64 and 1541 emulation supports automated workflows
    • JSON-RPC 2.0 over WebSocket enables programmatic control
    • Reverse stepping, rewind, checkpoints, and trace analysis aid debugging

    Where it doesn't

    • Focused on development and reverse engineering rather than casual game playing
    • Users must supply their own C64 ROMs
    • Requires comfort with APIs, emulation, and debugging workflows
  • VICE9.4/10 · Free plan

    Free, open-source C64 emulation with cycle accuracy, debugging, media support and network play.

    Visit VICEFull verdict →
  • TRX648.6/10 · Open source

    A developer-focused C64 runtime with automation, debugging, rewind, and broad machine support.

    Visit TRX64Full verdict →

More comparisons

All commodore 64 emulators comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update