SJGAM M21Retro / Emulation
Retro / EmulationAvailable now
SJGAM M21
SJGAM · Released Jul 2024 ·
The SJGAM M21 is a 3.5" TFT handheld from SJGAM powered by the "N909". It launched at around $40.
5.9
out of 10
$40
Launch price $40
Pros
- +Small device, very pocketable
- +Very affordable
- +Can be connected to a larger display
- +Good battery capacity at 3000 mAh
Cons
- −No Wi-Fi (no RetroAchievements, box art scraping, file transfer etc...)
- −Older TFT panel type
- −Bulky form factor
- −Unstable emulation on more demanding systems
- −No Bluetooth
What can it play?
Emulation performance by platform, based on real-world testing.
Full speedPlayableLimitedNot supported
Game BoyFull speed
Game Boy AdvanceFull speed
NESFull speed
SNESFull speed
Nintendo 64Limited
GameCubeNot supported
WiiNot supported
Wii UNot supported
Nintendo DSLimited
Nintendo 3DSNot supported
Nintendo SwitchNot supported
Sega GenesisFull speed
Sega SaturnNot supported
DreamcastLimited
PlayStationPlayable
PlayStation 2Not supported
PlayStation 3Not supported
PSPNot supported
Full specifications
Hardware
- Chipset (SoC)
- "N909"
- CPU
- Cortex-A7, 4 cores, 1.2 GHz - 1.8 GHz
- GPU
- Mali-400 MP2, 500 MHz
- RAM
- 1 GB DDR4
- Storage
- Weight
- 208 g
- Dimensions
- 78 x 123 x 25 mm
- Cooling
- Passive
Display
- Size
- 3.5″
- Resolution
- 640 x 480
- Panel
- TFT
- Refresh rate
- 60 Hz
- Touchscreen
- No
Battery & Connectivity
- Battery
- 3000 mAh
- Real-world life
- ~0 hours
- Wi-Fi
- None
- Bluetooth
- None
- Ports
- USB-C, Video out, 3.5mm headphone, microSD
- Expandable storage
- Yes (microSD)
Controls
- Analog sticks
- 2
- D-pad
- Yes
- Face buttons
- Yes
- Analog triggers
- No
- Gyroscope
- No
- Hall effect sticks
- No
Software & custom firmware
Ships with: Linux
Also plays natively: Linux
No third-party custom firmware tracked for this device.
Our verdict
Value10.0
Build6.4
Screen6.0
Performance3.1
The SJGAM M21 is a 3.5" TFT handheld from SJGAM powered by the "N909". It launched at around $40. It carries 1 GB of RAM and runs Linux. Highlights include: Small device, very pocketable; Very affordable; Can be connected to a larger display; Good battery capacity at 3000 mAh. Trade-offs to note: No Wi-Fi (no RetroAchievements, box art scraping, file transfer etc...); Older TFT panel type; Bulky form factor.