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Head-to-head · Sega CD Emulators

Genesis Plus GX vs Mega-Pi

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Genesis Plus GX #1 in Sega CD Emulators 9.4/10 Free plan Free plan✓ 3 of 4 features Try Genesis Plus GX
Mega-Pi #4 in Sega CD Emulators 8.9/10 Free plan Free plan✓ 2 of 4 features Visit Mega-Pi

Genesis Plus GX leads on 0 checks, Mega-Pi on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreGenesis Plus GX · 9.4/10
  • Free planboth
  • Most featuresGenesis Plus GX · 3 of 4

Genesis Plus GX scores higher on our rubric for sega cd emulators: 9.4 against 8.9 out of 10; our editors rank them #1 and #4.

Genesis Plus GX is the better fit for free, feature-rich Sega CD emulation. Mega-Pi is the better fit for raspberry Pi Sega CD setups.

  • Genesis Plus GX fits best

    Free, feature-rich Sega CD emulation

  • Mega-Pi fits best

    Raspberry Pi Sega CD setups

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Side by side

Feature Genesis Plus GX 9.4/10 Visit ↗ Mega-Pi 8.9/10 Visit ↗
At a glance
Editor score 9.4 8.9
Ranking #1 in Sega CD Emulators #4 in Sega CD Emulators
Best for Free, feature-rich Sega CD emulation Raspberry Pi Sega CD setups
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Support Docs Docs
Built for Solo, Small business Solo
Features Genesis Plus GX 3/4 · Mega-Pi 2/4
Save states ✓ ✓
CD audio support Not checked yet ✓ (best)
Netplay ✓ (best) Not checked yet
Cheat support ✓ (best) Not checked yet
Specs
Supported platforms Not checked yet Raspberry Pi
BIOS requirement Not checked yet Required
License Not checked yet Not checked yet
Our review
Pros
  • Covers Genesis, Mega CD, Master System, Game Gear, and SG-1000
  • Includes save states, cheats, display filters, and hardware emulation
  • Works with RetroArch, BizHawk, and OpenEmu
  • Supports CUE/BIN and CHD Sega CD disc images
  • Includes region-based BIOS loading and CDDA/PCM audio emulation
  • Stores save and load states on the SD card
Cons
  • Sega PICO emulation is preliminary
  • Netplay is available through the libretro core
  • Free use is limited to non-commercial use under its license
  • Runs only on Raspberry Pi
  • Requires users to provide Sega CD BIOS files
  • Requires compilation and FAT32 SD-card boot setup
Our verdict

Genesis Plus GX is an open-source emulator for Sega’s 8-bit and 16-bit systems, with particular value for Genesis/Mega Drive and Sega/Mega CD libraries. It also supports Master System, Game Gear, SG-1000, and preliminary Sega PICO…

Read the review →

Mega-Pi is a bare-metal Sega Mega Drive/Genesis and Sega CD/Mega CD emulator designed specifically for Raspberry Pi. It suits users building a dedicated Sega CD setup around an SD card, USB controller, and television or display. The…

Read the review →
  1. Genesis Plus GXSega CD Emulators 9.4Free plan
  2. Mega-PiSega CD Emulators 8.9Free plan

Strengths and trade-offs

  • Genesis Plus GX — where it wins

    • Covers Genesis, Mega CD, Master System, Game Gear, and SG-1000
    • Includes save states, cheats, display filters, and hardware emulation
    • Works with RetroArch, BizHawk, and OpenEmu

    Where it doesn't

    • Sega PICO emulation is preliminary
    • Netplay is available through the libretro core
    • Free use is limited to non-commercial use under its license
  • Mega-Pi — where it wins

    • Supports CUE/BIN and CHD Sega CD disc images
    • Includes region-based BIOS loading and CDDA/PCM audio emulation
    • Stores save and load states on the SD card

    Where it doesn't

    • Runs only on Raspberry Pi
    • Requires users to provide Sega CD BIOS files
    • Requires compilation and FAT32 SD-card boot setup

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update