Key takeaways:

The Trimui Smart Pro and Anbernic RG35xxH (H) are similarly priced handheld gaming devices, with the Trimui often being cheaper.
Both devices perform similarly, excelling at PlayStation One games and below, with some compatibility for Nintendo 64, Dreamcast, and PSP.
The Trimui Smart Pro has a superior 4.96-inch 720 X 1280 screen compared to the H's 3.5-inch 640x480 screen.
The H offers HDMI out, which the Trimui Smart Pro lacks.
Build quality is good for both, but the Trimui Smart Pro has better comfort and ergonomics for extended play sessions.
The Trimui Smart Pro has problematic trigger buttons and analog sticks, while the H has better triggers and usable sticks.
The Trimui Smart Pro's d-pad is praised for its precision and lack of false diagonals, whereas the H has a more traditional but less accurate d-pad.
The H has a wider selection of custom firmware, but the Trimui Smart Pro's stock firmware is decent and recently received an update for Moonlight streaming, Bluetooth audio, and Vulkan support.
The Trimui Smart Pro has an efficient sleep mode, whereas the H's sleep mode drains the battery significantly.
The H is afflicted by a static noise issue when opening or closing games, which may bother some users.
The Trimui Smart Pro's screen makes it a better choice for Nintendo DS and Game Boy Advance games, while the H offers better compatibility with certain N64 games out of the box.
For a better experience with N64, Dreamcast, and PSP, devices like the Retroid Pocket 2s, Retroid Pocket 3+, or Retroid Pocket for base are recommended.

# Introduction

Both devices are around the same price range, with the Trimui Smart Pro often being cheaper.
They are compared due to their popularity and affordability in the retro handheld market.

# Design and Color Options

Trimui Smart Pro: Available in black, white, and gray with purple buttons.
Anbernic RG35xxH (H): Comes in transparent purple, transparent white, and black.

# Specifications and Performance

Performance is similar, with both excelling at PlayStation One and older systems.
Some compatibility with Nintendo 64, Dreamcast, and PSP, but performance varies.
Trimui Smart Pro lacks HDMI out, which the H includes.

# Build Quality and Ergonomics

Both devices have better build quality than expected for their price.
Trimui Smart Pro is praised for its comfort and ergonomic design, suitable for long gaming sessions.
H is more compact and pocketable but can cause hand cramps during extended use.

# Controls and Buttons

Trimui Smart Pro has awful trigger buttons and subpar analog sticks.
H has inline triggers that are functional and standard switch sticks that are superior to the Trimui's.
The Trimui Smart Pro's d-pad is considered better for PS1 and under games.
Button styles differ, with the Trimui Smart Pro having clickier buttons and the H sporting more traditional ones.

# Audio and Speakers

Trimui Smart Pro's speaker placement is poor, resulting in muffled audio.
H has down-firing speakers that offer better sound quality.

# Software and Firmware

Trimui Smart Pro: Stock firmware is good, with a recent update enhancing its capabilities, including sleep mode efficiency.
H: More options for custom firmware due to its processor, which is used in other Anbernic devices.
The H has an issue with static noise when opening/closing games, which can be irritating for some users.

# Display

Trimui Smart Pro: Features a 4.96-inch 720 X 1280 screen, making it excellent for games with higher resolution requirements.
H: Has a 3.5-inch 640x480 IPS screen, which is less impressive compared to the Trimui.

# Game Compatibility and Performance

Trimui Smart Pro's screen gives it an edge for Nintendo DS and Game Boy Advance games.
H may have better out-of-the-box compatibility with some N64 games.
Performance for PS1 and under is excellent on both devices.
PSP performance is improved on the Trimui Smart Pro due to its 16:9 aspect ratio and upcoming Vulkan support.
The Retroid Pocket 2s is recommended for better performance with N64, Dreamcast, and PSP games.

# Conclusion

No clear winner, as the better choice depends on user preferences for screen size, ergonomics, and software experience.
Trimui Smart Pro is recommended for its better screen, ergonomics, and d-pad, making it more suitable for PS1 and under games.
H is a viable option for those who prefer a more pocketable device, better triggers, and a wider range of custom firmware.
Both devices are good choices for their intended use, with the final decision resting on individual needs and priorities.

Remember to consider your specific requirements and preferences when choosing between the Trimui Smart Pro and the Anbernic RG35xxH. Both have their strengths and weaknesses, and the right device for you will depend on the factors that matter most to your gaming experience.

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