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GKD Bubble: A Compact Retro Handheld with Dual MicroSD Slots

GKD Bubble: A Compact Retro Handheld with Dual MicroSD Slots

Overview

The GKD Bubble is a horizontal handheld gaming device designed for retro enthusiasts. Powered by a RockChip RK3566 processor with four Cortex-A55 cores clocked at 1.8 GHz and a Mali-G52 2EE GPU, it delivers smooth performance for classic games. The 3.5-inch IPS touchscreen offers a 4:3 aspect ratio with 640x480 resolution, ideal for older titles.

Key Specs Highlights

  • Processor: RockChip RK3566 (4x Cortex-A55 @ 1.8 GHz)
  • GPU: Mali-G52 2EE @ 850 MHz
  • Memory: 1GB LPDDR4
  • Storage: 32GB internal MicroSD + dual external MicroSD slots
  • Display: 3.5-inch IPS touchscreen (640x480, 60Hz)
  • Battery: 4000 mAh
  • Connectivity: WiFi 5, Micro HDMI out, 3.5mm audio jack
  • Weight: 227g
  • OS: Open-source system

Who It Is For

The GKD Bubble is perfect for retro gamers on a budget who want a dedicated device for emulating classic consoles up to N64, PSP, and Dreamcast. Its dual MicroSD slots make it easy to organize game libraries, and the touchscreen adds convenience for navigating menus.

Buying Notes

Priced around ¥300-¥500 (approx. $40-$70 USD), the GKD Bubble offers excellent value. It comes in black, gray, white, or red. Note that it lacks active cooling and sensors, but the plastic build keeps it lightweight. The open-source OS may require some tinkering for optimal performance.

Specifications
CPUCortex-A55
GPUMali-G52 2EE
NameGKD Bubble
AliasLao Zhang GKD Bubble
BrandGKD
Memory1GB LPDDR4
Weight227g
Battery4000 mAh
CoolingNone
StorageBuilt-in 32GB MicroSD, dual external MicroSD
SpeakersDual stereo
Grip TypeHorizontal
ProcessorRockChip RK3566
VibrationYes
Dimensions166.8 mm x 82 mm x 24 mm
Screen PPI228.57
Body ColorsBlack, Gray, White, Red
Price Range¥300 - ¥500
Screen Size3.5 inches
Screen TypeIPS touchscreen
Audio Output3.5mm headphone jack
ConnectivityWiFi 5
Launch Price379
Release Date2024/10
Screen Ratio4:3
Video OutputMicro HDMI
CPU Frequency1.8 GHz
Other SensorsNone
Shell MaterialPlastic
Operating SystemOpen-source system
Screen Resolution640 x 480
GPU Core Frequency850 MHz
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/gkd-bubble

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