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BOYHOM R40s Review: A Compact Retro Handheld with 1:1 Square Screen

BOYHOM R40s Review: A Compact Retro Handheld with 1:1 Square Screen

Overview

The BOYHOM R40s is a compact retro handheld gaming console released in May 2024. It features a distinctive 4-inch IPS touchscreen with a 1:1 aspect ratio and 720x720 resolution, offering a unique square display. Powered by the RockChip RK3566 processor (Cortex-A55 quad-core at 1.8 GHz) and Mali-G52 2EE GPU (850 MHz), it provides smooth emulation for classic systems up to N64, PSP, and Dreamcast. The device runs an open-source operating system and includes dual TF card slots for expandable storage, WiFi 5, Bluetooth, Mini HDMI output, dual stereo speakers, and a 4000 mAh battery. Available in blue, yellow, black, and white plastic shells.

Key Specs Highlights

  • Display: 4.0-inch IPS touchscreen, 720x720 resolution, 1:1 ratio, 60Hz, 254.6 PPI
  • Processor: RockChip RK3566 (Cortex-A55, 4 cores, 1.8 GHz)
  • GPU: Mali-G52 2EE @ 850 MHz
  • Memory & Storage: 1 GB LPDDR4 RAM; dual external TF card slots
  • Connectivity: WiFi 5, Bluetooth, USB-C x2, Mini HDMI, 3.5mm audio jack
  • Battery: 4000 mAh
  • Weight: 211 grams
  • Dimensions: 145 x 86.5 x 10 mm

Who It Is For

This handheld is perfect for retro gaming enthusiasts who want a budget-friendly device with a unique square screen for playing classic titles from N64, PSP, Dreamcast, and older systems. It suits collectors and tinkerers who appreciate open-source firmware and expandable storage via dual TF cards.

Buying Notes

Priced around $70 (approximately ¥508 CNY), the R40s offers excellent value for its feature set. Note that it lacks active cooling and vibration feedback. The 1:1 screen is ideal for certain retro games but may not be optimal for widescreen content. Available in multiple colors; check for current pricing and availability from BOYHOM or third-party retailers.

Specifications
CPUCortex-A55
GPUMali-G52 2EE
NameBOYHOM R40s
AliasR40s
BrandBOYHOM
Memory1 GB LPDDR4
Weight211 g
Battery4000 mAh
CoolingNone
StorageDual external TF card slots
SpeakersDual stereo
Grip TypeHorizontal
ProcessorRockChip RK3566
Vibration?
Dimensions145 mm x 86.5 mm x 10 mm
Screen PPI254.6
Body ColorsBlue, yellow, black, white
Price Range¥300 - ¥500
Screen Size4.0 inches
Screen TypeIPS touchscreen
Audio Output3.5mm headphone jack
ConnectivityWiFi 5, Bluetooth, USB-C x 2
Launch Price$70 (approximately ¥508)
Release Date2024 / 05
Video OutputMini HDMI
CPU Frequency1.8 GHz
Shell MaterialPlastic
Operating SystemOpen-source system
Screen Resolution720 x 720
GPU Core Frequency850 MHz
Screen Aspect Ratio1:1
Screen Refresh Rate60Hz
CPU Cores and Threads4 cores 4 threads
Emulator Game SupportUp to N64, PSP & Dreamcast

Full specs and updates on our site: https://www.oldman.dpdns.org/en/handheld/boyhom-r40s

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