Yoshi Deja Vu DS
2020 •Nintendo DS
Yoshi Deja Vu DS is a medium-sized ROM hack of Super Mario 64 DS. This hack features 5 Main Courses and 5 Side Courses.
R40XX
R40XX by BOYHOM, Vertical retro handheld, running Linux (ArkOS), powered by RockChip RK3326, with a 4.2 inch display
Specifications
39 of 65 catalogued fields are filled in for this handheld. Anything the catalogue has not recorded is labelled Not documented rather than estimated.
Identity
- Brand
- BOYHOM
- Release Date
- 2025 / 11
- Price
- Not documented
- Pricing category
- Not documented
Form factor & shell
- Form Factor
- Vertical
- Shell material
- Not documented
- Colors
- Not documented
- Dimensions
- Not documented
- Weight
- Not documented
- Cooling
- Not documented
Operating system
- Operating System
- Linux (ArkOS)
Performance
- System on a Chip
- RockChip RK3326
- CPU
- Cortex-A35
- CPU cores
- 4 Cores
- CPU threads
- 4 Threads
- CPU clock speed
- 1.3 GHz - 1.5 GHz
- Architecture
- ARM
- GPU
- Mali-G31 MP2
- GPU cores
- 2 Cores
- GPU clock speed
- 650 MHz
- RAM
- 1 GB DDR3L
- Performance rating
- 9/10 · A
Display
- Screen size
- 4.2 inch
- Screen type
- IPS
- Resolution
- 1024 x 768
- PPI
- 304.76 PPI
- Aspect ratio
- 4:3
- Screen refresh rate
- Not documented
- Screen lens
- Not documented
Battery & charging
- Battery
- 4000 mAh
- Charge port
- Not documented
- Storage
- Not documented
Emulation grades
- Game Boy
- A
- Nintendo Entertainment System
- A
- Sega Genesis
- A
- Game Boy Advance
- A
- Super Nintendo
- A
- PlayStation 1
- A
- Nintendo DS
- B
- Nintendo 64
- C
- Dreamcast
- C
- PSP
- C
- Sega Saturn
- D
- GameCube
- F
- Wii
- F
- Nintendo 3DS
- F
- PlayStation 2
- F
- Wii U
- F
- Nintendo Switch
- F
- PlayStation 3
- F
- Emulation limit
- Not documented
Where To Buy
Marketplace rows use affiliate-friendly links where available. Average price stays based on the console database, not live per-store pricing.
| Store | Price |
|---|---|
|
Amazon
Amazon search results
|
Check store |
|
AliExpress
AliExpress search results
|
Check store |
|
Alibaba
Alibaba search results
|
Check store |
Affiliate disclosure and terms are linked in the footer.
Quick Take
The long-form editorial block is being regenerated, so this quick summary is built from the latest console specs.
R40XX is a retro handheld from BOYHOM.
Its vertical design keeps the hardware focus clear for players who already know the shape they prefer.
The device runs Linux (ArkOS), which shapes setup, frontend options, and day-to-day usability.
Inside, the RockChip RK3326 chipset sets the ceiling for emulation and overall responsiveness.
Playable Games
Games shown here match systems this handheld can run at a B grade or better.
Yoshi Demo
Unknown year •Game Boy Advance
Yoshi Demo is a tech demo that appeared to be a Game Boy Advance port of Yoshi's Story. It is also commonly regarded as vaporware, though it is unknow...
Yoshi in Sonic the Hedgehog 2
2010 •Sega Genesis
Yoshi in Sonic 2 is a ROMhack/mod of Sonic The Hedgehog 2. In this mod, the player controls Yoshi, with his signature moves from the Yoshi's Island se...
Yoshi no Panepon
1996 •Game Boy, Nintendo 3DS
The Japanese port of the Game Boy version of Tetris Attack, which had the Tetris license removed (the same thing happened with its Satellaview counter...
Yoshi Racing
Unknown year •Super Nintendo
Yoshi Racing is a rejected pitch for a 3D game in the Yoshi franchise. The game was revealed in an article by Eurogamer detailing Argonaut Games' invo...
Yoshi Topsy-Turvy
2004 •Game Boy Advance
In Yoshi Topsy-Turvy, Yoshi Island has been turned into a picture book. Yoshi will not stand for this outlandish attempt at flattening his world, and...
Yoshi Touch & Go
2005 •Nintendo DS, Wii U
Yoshi and Baby Mario are back together at long last, and it'll take a steady hand to guide them through their latest adventure. As Yoshi charges acros...
Yoshi's Cookie
1992 •Nintendo Entertainment System, Wii, Wii U
Yoshi's Cookie is a puzzle game similar to Tetris, in which the player is given a playing field populated with cookies of five various types arranged...
Yoshi's Island
2002 •Game Boy Advance
The remake of Yoshi's Island included in Super Mario Advance 3.
Yoshi's Island DS
2006 •Nintendo DS, Wii U
Yoshi's Island DS is a 2D platformer for the Nintendo DS in the Yoshi's Island series. It is the sequel to Super Mario World 2: Yoshi's Island, where...
Yoshi's Island: Kamek's Revenge
2007 •Super Nintendo
Yoshi's Island: Kamek's Revenge, commonly referred to as Kamek's Revenge or YIKR, is a Yoshi's Island hack by S.N.N. The original version was released...
Yoshi's Island: Pacifier Edition
2015 •Super Nintendo
Yoshi's Island: Pacifier Edition is a simple ROM hack/mod that mutes Baby Mario's crying and the countdown sound when Yoshi is hit, a feature that cou...
R40XX — Frequently Asked Questions
Every answer is built from this console's own catalogue record. Where the record is empty, the answer says so rather than guessing.
Is the R40XX an official BOYHOM product?
The console database lists the R40XX under the brand BOYHOM. It does not document whether the R40XX is an officially licensed BOYHOM product.
When was the R40XX released, and what does it cost?
The console database lists the release date as 2025 / 11 for the R40XX. The price is not documented in the console database.
What chipset and how much RAM does the R40XX have?
The console database lists the system on a chip as RockChip RK3326, the CPU as Cortex-A35, and the RAM as 1 GB DDR3L for the R40XX.
What are the R40XX's dimensions, weight and battery?
The console database lists the battery as 4000 mAh for the R40XX. The dimensions and the weight are not documented in the console database.
Which systems can the R40XX emulate well?
The console database gives the R40XX a grade of B+ or better for 6 systems: Game Boy, Nintendo Entertainment System, Sega Genesis, Game Boy Advance, Super Nintendo, and PlayStation 1.
Where can I buy the R40XX?
The marketplace rows shown for the R40XX are search and marketplace links, not a verified live price feed. The console database does not verify live prices or stock, so check the linked marketplace listings for current availability.
Sources & Editorial Notes
- Specifications are taken from this handheld's entry in the Lost In Consoles catalogue, which is compiled from manufacturer documentation and public filings. How we compile device data.
- Empty fields are published as Not documented. Nothing on this page is estimated, inferred or carried over from a similar device.
- Spotted an error? Send a correction.