BOYHOM R40S
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The R40S is a horizontal retro gaming handheld released in 2024 by BOYHOM. It is built around the RockChip RK3566 with 1 GB LPDDR4, has a 4.0 inch IPS 720 x 720 display, and uses a 4000 mAh battery. Its documented emulation ceiling is DS full speed, placing it in the mid-range tier for retro game emulation. Notable hardware features include video output, USB-C OTG, WiFi 5, Bluetooth.
How far can it go?
Runs everything up to Nintendo DS at full speed, and pushes as far as Sega Saturn with some compromises.
Full speedGreatPlayableBarelyWon't run
Realistic ceiling: N64, PSP & Dreamcast mostly playable but not all full speed
Specifications
| Chip (SoC) | RockChip RK3566 |
|---|---|
| CPU | Cortex-A55 |
| GPU | Mali-G52 2EE |
| RAM | 1 GB LPDDR4 |
| Screen size | 4.0 inch |
| Screen type | IPS |
| Resolution | 720 x 720 |
| PPI | 254.56 PPI |
| Refresh rate | 60 Hz |
| Aspect ratio | 1:1 |
| Battery | 4000 mAh |
| Cooling | ❌ |
| Storage | Dual External MicroSD |
| Connectivity | USB-C OTG, WiFi 5, Bluetooth |
| Speakers | Dual Stereo Bottom facing |
| Charge port | USB-C x2 Bottom facing |
| Video output | Mini HDMI Top facing |
| Audio out | 3.5mm Headphone Bottom facing |
| Dimensions | 145 mm x 86.5 mm x 10* mm |
| Weight | 211 grams |
| Shell | Plastic |
| Colors | Blue, Yellow, Black, White |
Pros & cons
👎 Cons
- Awful feeling controls sunken in too much into shell
Compare prices & buy
from $70
$70
Often sold by: Aliexpress 1, 2, 3