Sjgam M21 Review: A Budget Retro Handheld with Classic 4:3 Screen
SJGAM · 2024-07-01
The Sjgam M21 is an entry-level retro gaming handheld featuring a 3.5-inch 4:3 TFT display, Cortex-A7 processor, and 1GB RAM. It runs an open-source OS and offers expandable storage via TF card.
Overview
The Sjgam M21, also known as Shijia M21, is a compact vertical handheld gaming device from SJGAM. Designed for retro gaming enthusiasts, it features a 3.5-inch TFT display with a 4:3 aspect ratio and 640x480 resolution, ideal for classic games. Powered by a Cortex-A7 quad-core processor (1.2-1.8 GHz) and Mali-400 MP2 GPU, it runs an open-source operating system. The device includes 1GB DDR4 RAM, expandable storage via TF card (up to 128GB), and a 3000mAh battery. Connectivity options include USB-C, Mini HDMI output, and a 3.5mm headphone jack.
Key Specs Highlights
- Display: 3.5-inch TFT, 640x480, 4:3 aspect ratio, 60Hz
- Processor: N909 (Cortex-A7 quad-core, 1.2-1.8 GHz)
- GPU: Mali-400 MP2 @ 500 MHz
- Memory: 1 GB DDR4
- Storage: External TF card slot (64GB/128GB supported)
- Battery: 3000 mAh
- Connectivity: USB-C, Mini HDMI, 3.5mm audio
- Weight: 188 g
- Dimensions: 123 x 78 x 25 mm
Who It Is For
The Sjgam M21 is ideal for retro gaming fans on a budget who want a dedicated device for classic titles from the 8-bit and 16-bit eras. Its 4:3 screen and open-source OS make it suitable for emulation. However, its low RAM and modest processor limit it to less demanding games.
Buying Notes
Released in July 2024, the Sjgam M21 comes in gray, white, purple transparent, and gray transparent colors. It lacks vibration, cooling, and sensors. The plastic build keeps it lightweight. No official price is provided; check retailers for current pricing.
| CPU | Cortex-A7 |
|---|---|
| GPU | Mali-400 MP2 |
| RAM | 1 GB DDR4 |
| Name | Sjgam M21 |
| Alias | Shijia M21 |
| Brand | SJGAM |
| Weight | 188 g |
| Battery | 3000 mAh |
| Cooling | None |
| Speaker | Mono speaker |
| Storage | External 64GB/128GB TF card slot |
| Grip Type | Vertical |
| Processor | N909 |
| Vibration | None |
| Dimensions | 123 mm x 78 mm x 25 mm |
| Screen PPI | 228.57 |
| Body Colors | Gray, White, Purple transparent, Gray transparent |
| Screen Size | 3.5 inches |
| Screen Type | TFT |
| Audio Output | 3.5mm headphone jack |
| Connectivity | USB-C |
| Release Date | 2024 / 07 |
| Screen Ratio | 4:3 |
| Video Output | Mini HDMI |
| CPU Frequency | 1.2 GHz - 1.8 GHz |
| Other Sensors | None |
| Shell Material | Plastic |
| Operating System | Open-source system |
| Screen Resolution | 640 x 480 |
| GPU Core Frequency | 500 MHz |
| Screen Refresh Rate | 60Hz |
| CPU Cores and Threads | 4 cores 4 threads |