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Sjgam M21 Review: A Budget Retro Handheld with Classic 4:3 Screen

Sjgam M21 Review: A Budget Retro Handheld with Classic 4:3 Screen

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.

Specifications
CPUCortex-A7
GPUMali-400 MP2
RAM1 GB DDR4
NameSjgam M21
AliasShijia M21
BrandSJGAM
Weight188 g
Battery3000 mAh
CoolingNone
SpeakerMono speaker
StorageExternal 64GB/128GB TF card slot
Grip TypeVertical
ProcessorN909
VibrationNone
Dimensions123 mm x 78 mm x 25 mm
Screen PPI228.57
Body ColorsGray, White, Purple transparent, Gray transparent
Screen Size3.5 inches
Screen TypeTFT
Audio Output3.5mm headphone jack
ConnectivityUSB-C
Release Date2024 / 07
Screen Ratio4:3
Video OutputMini HDMI
CPU Frequency1.2 GHz - 1.8 GHz
Other SensorsNone
Shell MaterialPlastic
Operating SystemOpen-source system
Screen Resolution640 x 480
GPU Core Frequency500 MHz
Screen Refresh Rate60Hz
CPU Cores and Threads4 cores 4 threads

Full specs and updates on our site: https://www.oldman.dpdns.org/en/handheld/sjgam-m21

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