Last updated: Sep 25, 2025

Anbernic RG28XX vs Game Bub comparison

Anbernic RG28XX

Check out more from: Anbernic

Released: Apr 25, 2024|Available at Amazon and AliExpress

$46.99$47.99

🔥 2% OFF

Second Bedroom via Crowd Supply

Game Bub

(open-source/unbranded)

Released: Feb 1, 2026|Price: ~$249

Key Advantages

Anbernic RG28XX

Runs Nintendo 64 well; Game Bub often supports up to basic games
31% sharper screen (higher PPI).
50% lighter (125g vs 250g)
$201 cheaper

Game Bub

56% longer average battery life (16.0h vs 7.0h)
43% larger screen.
Integrated Hall-effect sticks for improved durability and precision.
More connectivity options: Wi-Fi, Bluetooth, Video Out.

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Detailed Comparison

Gaming Performance

Controls & Input

Supported Features	L1/R1L2/R2Analog SticksHall Effect Sticks/TriggersTouchscreenGyroscopeL3/R3Volume ButtonsAnalog Triggers	L1/R1L2/R2Analog SticksHall Effect Sticks/TriggersTouchscreenGyroscopeL3/R3Volume ButtonsAnalog Triggers
D-Pad Placement	Top-left	Left
Thumbstick Layout	None	N/A
Shoulder Buttons	Stacked	None

Display & Audio

Screen Size	2.8"	4"
Screen Type	IPS LCD	IPS LCD
Resolution	640 x 480	720 x 480
Aspect Ratio	4:3	3:2
Pixel Density	283 PPI	216 PPI
Refresh Rate	60Hz	60Hz
Speaker Placement	Front-facing	Front
Speaker Type	Mono	Stereo
Audio Jack	Yes	Yes

Ports & Connectivity

OS & Software

Base OS	Linux (Various)	Linux (Various)
Custom OS Support	None	None

Battery & Power

Battery Life	6-8 hrs	14-18 hrs
Capacity	3100 mAh	3000 mAh
Charging Port	Top	Bottom
Charging Method	USB-C	USB Type-C

Body & Build

Form Factor	Horizontal	Horizontal
Material	Plastic	Transparent Plastic
Weight	125 g	250 g
Dimensions (W x H x D)	125 x 57 x 17 mm	174 x 85 x 19 mm
Color Variants	Grey, Beige White, Lava Orange, Black Transparent	Transparent, Transparent Purple
Release Date	Apr 25, 2024	Feb 1, 2026

Hardware Specifications

CPU Model	Cortex-A53 quad-core	FPGA cores + ESP32-S3
Architecture	ARM	FPGA
Chipset	Allwinner H700	AMD (Xilinx) Artix-7 XC7A100T + ESP32-S3
GPU	Mali-G31 MP2	N/A
RAM Size	1 GB	0 GB
RAM Type	LPDDR4	SDRAM
Internal Storage	microSD	microSD
Storage Expansion	MicroSD	MicroSD
CPU Clock	1.5 GHz	N/A
CPU Cores	4	1
CPU Threads	4	N/A
GPU Clock	500-850 MHz	N/A