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Head-to-head · Commodore 64 Emulators

Denise vs VirtualC64

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Denise #7 in Commodore 64 Emulators 8.1/10 Free plan Free plan✓ 0 of 3 features Visit Denise
VirtualC64 #8 in Commodore 64 Emulators 7.9/10 Free plan Free plan✓ 1 of 3 features Visit VirtualC64

Denise leads on 0 checks, VirtualC64 on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreDenise · 8.1/10
  • Free planboth
  • Most featuresVirtualC64 · 1 of 3

Denise scores higher on our rubric for commodore 64 emulators: 8.1 against 7.9 out of 10; our editors rank them #7 and #8.

Denise is the better fit for users wanting both Amiga and C64 emulation. VirtualC64 is the better fit for mac users wanting accurate C64 emulation.

  • Denise fits best

    Users wanting both Amiga and C64 emulation

  • VirtualC64 fits best

    Mac users wanting accurate C64 emulation

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Side by side

Feature Denise 8.1/10 Visit ↗ VirtualC64 7.9/10 Visit ↗
At a glance
Editor score 8.1 7.9
Ranking #7 in Commodore 64 Emulators #8 in Commodore 64 Emulators
Best for Users wanting both Amiga and C64 emulation Mac users wanting accurate C64 emulation
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Desktop Desktop
Platforms Windows, macOS, Linux macOS
Support Docs, Tickets Docs
Built for Solo, Small business Solo, Small business
Features Denise 0/3 · VirtualC64 1/3
Built-in debugger Not checked yet ✓ (best)
Netplay support Not checked yet Not checked yet
Bundled software library Not checked yet Not checked yet
Specs
Supported platforms Not checked yet macOS
Disk and tape formats Not checked yet D64, T64, PRG, P00, G64, TAP, CRT
Emulated C64 variants Not checked yet PAL C64, NTSC C64, C64 II PAL, C64 II NTSC
Our review
Pros
  • Cycle-accurate emulation for Commodore 64 and Amiga systems
  • Save states, rewind, RunAhead and shader-based rendering
  • Amiga debugger, disassembler and configurable memory options
  • Cycle-accurate PAL and NTSC emulation
  • Supports D64, T64, PRG, P00, G64, TAP, and CRT images
  • Includes a CPU debugger, warp mode, and a public C++ API
Cons
  • Its feature set may be more than C64-only users need
  • C64-specific media support is less fully documented
  • Kickstart ROM files are documented separately from preinstalled AROS firmware
  • Distributed only as macOS desktop software
  • Its advanced debugger and API may exceed casual needs
  • Input is limited to keyboard and USB joystick controls
Our verdict

Denise is a free, open-source desktop emulator for Commodore 64 and Amiga systems. It suits users who want both platforms in one application, especially those interested in Amiga configurations from the A1000 through the A600 alongside…

Read the review →

VirtualC64 is a free, open-source Commodore 64 emulator for Apple Macintosh computers. It is aimed at Mac users who want accurate emulation of PAL and NTSC systems, support for common software and cartridge images, and additional tools for…

Read the review →
  1. DeniseCommodore 64 Emulators 8.1Free plan
  2. VirtualC64Commodore 64 Emulators 7.9Free plan

Strengths and trade-offs

  • Denise — where it wins

    • Cycle-accurate emulation for Commodore 64 and Amiga systems
    • Save states, rewind, RunAhead and shader-based rendering
    • Amiga debugger, disassembler and configurable memory options

    Where it doesn't

    • Its feature set may be more than C64-only users need
    • C64-specific media support is less fully documented
    • Kickstart ROM files are documented separately from preinstalled AROS firmware

  • VirtualC64 — where it wins

    • Cycle-accurate PAL and NTSC emulation
    • Supports D64, T64, PRG, P00, G64, TAP, and CRT images
    • Includes a CPU debugger, warp mode, and a public C++ API

    Where it doesn't

    • Distributed only as macOS desktop software
    • Its advanced debugger and API may exceed casual needs
    • Input is limited to keyboard and USB joystick controls

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