Redream

AccuracyAccuracy
FeaturesFeatures
PerformancePerformance

Redream is a closed-sourced Dreamcast emulator, enabling you to play your Dreamcast games in high-definition on Windows, Mac and Linux. There are 2 versions; lite and premium (small fee). The only significant difference is that the premium version lets you scale to Ultra-HD resolutions. With an excellent streamlined experience, it will eventually be the best, as accuracy continues to improve (passed 80%). That said, it's not the most accurate nor does it support Dreamcast peripherals. 

Note: BIOS file not required, but may improve compatibility in certain cases.

1.5

Last Stable Release:

Dated:

14-02-2020

Windows: 7+ 64-bit

Linux: Ubuntu 64-bit

Mac: OS X 64-bit

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CPU: Processorx86_64 compatible with AVX2 or SSE2 support

GPU: GraphicsOpenGL 3.1 support, OpenGL 4.5 support for per-pixel polygon sorting

NullDC

AccuracyAccuracy
FeaturesFeatures
PerformancePerformance

It is an open-source Dreamcast emulator for Windows considered among the best in regards to accuracy. Its capable of running any Dreamcast game, even some none-commercial games. The graphics, sound, controllers and memory use a plug-in yet it can even play games burned to CD-ROMs. That said, initial setup can be quite tedious.

Note: BIOS not provided. Use provided publicly-sourced BIOS

1.0.4 r150 with Shenmue fixes by masterchan777

Last Stable Release:

Dated:

18-04-2014

Development-build: None actively reported

Windows: XP/Vista/7/8/+ & 64-bit

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GPU: Direct X 9.0c+

Note: To reset settings, it's highly recommend deleting nullDC.cfg file as it will reset nullDC's settings back to default. You also need to install BOTH X64 and x86 versions of VS 2013 Dll files. which can be grabbed from this link

DEmul

AccuracyAccuracy
PerformancePerformance
FeaturesFeatures

DEmul is among the best, if not the most accurate. This emulator is basically compatible with any commercial game available and can also emulate arcade hardware (Naomi 1, Naomi 2, Hikaru, and Atomiswave). They use a plug-in system, which can be quite tedious to initially configure and lacks good documentation so it’s not easy to set it up. It also has virtual memory card support to save game progress at any instance. 

Note: BIOS not provided. Use provided publicly-sourced BIOS

Last Stable Release:

0.7 180428 WIP

28-04-2018

Dated:

Development-build: None actively reported

Windows: XP/Vista/7/8/+ 
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GPU: DirectX 11

Reicast

AccuracyAccuracy
PerformancePerformance
FeaturesFeatures

Reicast is the best Dreamcast emulator for Android, with Windows 10 builds compiled as well. It provides a simple and intuitive interface and is made by some of the developers which were behind NullDC, which implies Reicast is like a newer version of NullDC. In fact, it's being developed using some of the same codes as NullDC. Reicast has bugs and problems though has quite a bright future ahead.


Note: BIOS not provided. Use provided publicly-sourced BIOS

Last Stable Release:

Dated:

Android: 2.2+

Windows: 8.1+ (32-bit & 64-bit)

Linux: Please follow their instruction

Mac: Please follow their instruction