Anbernic RG35XXSP Review: The GBA SP Clamshell, Two Years On (2026)

Last updated: September 2026

Quick Verdict: The Anbernic RG35XXSP is the best clamshell handheld under $70 for anyone whose library stops at PS1. The Allwinner H700 runs everything from NES through PS1 at full speed, the 3.5-inch 640x480 IPS panel is the right shape for those systems, and the hinge has held up better than the Miyoo Flip’s. The two real problems are the stock software and the sleep-mode battery drain, and both have fixes. No analog sticks, so N64, Dreamcast and PSP are a bonus, not the point.

A word on how this page was built. I have not had the RG35XXSP on my desk. Everything below comes from Anbernic’s spec sheet, six full reviews from people who have used one for weeks, and the RG35XX family guide at Retro Game Corps. Where reviewers disagree, I say so. Where they all agree, I treat it as settled.

The RG35XXSP came out in June 2024 as Anbernic’s answer to the Game Boy Advance SP. Two years later it is still on sale, still recommended, and it now has a successor. That changes the buying question, so I cover the new RG SP at the end.

Anbernic RG35XXSP Specs

Two spec-sheet details matter more than they look. The charging is slow at 5V/1.5A, so a full charge takes a while. And the 1 GB of RAM is the same amount Anbernic quietly cut the newer RG34XX SP down to in January 2026, so the SP line is not getting more memory any time soon.

Build and Design

Every reviewer lands on the same point: this is the most comfortable device in the sub-$70 clamshell class. Retro Handhelds called the ergonomics the best in the category, because the shell is wider than a Miyoo Mini Plus or RG35XX Plus and you do not need a grip to hold it for an hour. Retro Dodo scored it 9/10 and singled out the sturdy hinge that opens a full 180 degrees.

The hinge is the thing to watch on any clamshell, and here the record is mixed but mostly good. Retro Dodo and XDA had no complaints. Bound By Flame reported hinge wear after about a month of daily use in an October 2025 review, and there are community reports of the transparent shells cracking at the hinge. If you want the safest bet, buy an opaque color. Compare that to the Miyoo Flip, where the V2 refresh drew repeated reports of broken display hinges, and the RG35XXSP still comes out ahead.

The buttons divide people. XDA called them tactile but loud, and Retro Game Corps documented a tape mod to quiet them on early units, then noted that later production runs press easier. L2 and R2 are stiff. There is no click when you close the lid, which Sypnotix found cheap-feeling, and the same review called the hand balance poor with the lid open.

One mono speaker. It gets loud, and it distorts when it does. Headphones or Bluetooth.

Screen

The 3.5-inch 640x480 IPS panel is a 4:3 screen, and that is exactly right for the systems this device is for. NES, SNES, Genesis, GBA and PS1 all fill it without stretching. Anbernic laminated the panel to the glass, so there is no air gap and the colors look richer than the older RG35XX. Retro Dodo called it bright, and nobody complained about viewing angles.

The trade-off is PSP and anything widescreen: those run letterboxed on a 4:3 panel and the picture gets small. If PSP is a priority, a horizontal device is the better shape.

Performance by System

The Allwinner H700 is a known quantity at this point. It is the same chip in the RG35XX H, RG35XX Plus and RG34XX SP, and the RG35XXSP behaves exactly like its siblings.

That table lines up with the device database ratings: perfect through GBA, great on PS1, good on N64, limited on Dreamcast and PSP. The one thing to add is the control problem. Without analog sticks, some N64 games are technically running and practically unplayable. Recent firmware lets you toggle the D-pad to act as a left stick with a tap of the power button, which helps with Mario 64 and not much else.

Software: Replace It

This is the weakest part of the device and the most fixable. The stock Linux OS works, and it has real strengths: Wi-Fi, Bluetooth and HDMI out all function, Quick Shutdown auto-saves your game, and Moonlight streaming is built in. But the UI is clunky, RetroArch microstutters on stock, load times are long, and the “Game Room” front-end that ships alongside the normal launcher confuses nearly every new buyer.

The community answer is custom firmware, and there are four real options:

• muOS is what Retro Handhelds and Bound By Flame both recommend. Eleven-second boot, PortMaster support, fast menus. My muOS setup guide covers the install.
• Knulli is the Batocera fork for this family. Full EmulationStation front-end, working lid sleep, about 45 seconds to boot. Batocera itself is no longer developed for these devices, so Knulli is the one to use.
• MinUI is the minimalist pick. No Wi-Fi or Bluetooth, caps at PS1, boots in seconds and gets out of your way.
• GarlicOS 2 is still around and still fine if you already know it. My GarlicOS guide is here.

If you only play GBA and PS1 and never want to touch a menu, MinUI. If you want the whole H700 range with a proper front-end, muOS.

Battery Life

Anbernic rates the 3,300 mAh cell at 8 hours, and the measured numbers agree: Retro Dodo got about 7.5 hours, Sypnotix about 8 hours on GBA, Bound By Flame 7 to 8 hours. That is a full day of commutes on one charge for 16-bit and GBA play. PS1 and N64 will pull that down, but no reviewer reported anything alarming.

The real battery problem is sleep. Closing the lid puts the device to sleep, and stock sleep drains 3 to 5 percent an hour according to both DROIX and Retro Game Corps. Close it at 80 percent on Friday night and it is dead by Sunday. XDA called the drain significant. The fix is to use Quick Shutdown instead of sleep, which saves state and powers off, or to run Knulli, which handles lid sleep properly. The lid wake is also inconsistent on stock: several reviewers found it only registers when you open the lid quickly.

Charging is slow at 5V/1.5A. Plan on a couple of hours from empty.

Anbernic RG35XXSP vs Miyoo Flip

This is the comparison everyone actually wants, and I wrote the full Miyoo Flip vs RG35XXSP head-to-head already. The short version:

• The Miyoo Flip has a faster chip, the Rockchip RK3566, and two analog sticks, so it handles N64 and Dreamcast better and can play games that need a stick.
• The RG35XXSP has the better hinge record, the more comfortable shell, a bigger battery, and costs less.
• Same screen size and resolution on both.

Buy the Flip if you need sticks. Buy the RG35XXSP for everything else.

The RG SP Question

Anbernic launched the RG SP on August 5, 2026 at $64.99 for the 16 GB model, $79.99 for 64 GB and $94.99 for 128 GB. It uses the same H700 chip, the same 1 GB of RAM and the same 3,300 mAh battery, in a body about 10 percent slimmer with a multi-angle hinge and a 3.4-inch 720x480 screen. No sticks on that one either.

So it is not faster. It is a refined shell around identical internals. If you value the slimmer body and the hinge that holds any angle, wait for reviews on the RG SP. If you want the proven device at the lower price, the RG35XXSP is the same performance for less money, and it has two years of custom firmware support behind it. The RG35XXSP is still listed on Anbernic’s store as of September 2026.

Who It’s For

Buy the RG35XXSP if:

• Your library is NES through PS1, with GBA at the center of it
• You want a pocketable device that protects its own screen
• You are willing to spend 20 minutes installing muOS or Knulli
• You want the best-feeling clamshell under $70

Skip it if:

• You need analog sticks for N64, Dreamcast or PSP (get the Miyoo Flip or a horizontal H700 device like the RG35XX H)
• You want stereo sound
• You expect PS2 or GameCube, which need an Android handheld with a much stronger chip

Where to Buy the Anbernic RG35XXSP

• Amazon: about $75, fastest shipping in the US
• Anbernic’s store: $64.99 list, $57.99 on sale at the time of writing
• AliExpress: deals have dropped as low as $37 to $41 during sales, with slower shipping

The included 64 GB card is fine to start with, but every custom firmware guide recommends a name-brand card. A SanDisk Ultra or Samsung EVO Select 128GB is the usual pick.

FAQ

Is the Anbernic RG35XXSP worth it in 2026?

Yes, for a GBA-through-PS1 library. It is cheaper than the new RG SP with identical performance, and it has the most mature custom firmware support of any clamshell.

Does the RG35XXSP have analog sticks?

No. The D-pad can be toggled to act as a left stick on recent firmware, but it is a workaround. If you need sticks, the Miyoo Flip and the RG34XX SP both have them.

Can the RG35XXSP play PS2 or GameCube?

No. The Allwinner H700 tops out at PS1 with partial N64, Dreamcast and PSP. PS2 needs an Android handheld on a Snapdragon 865 class chip or better.

Why does the battery die when the lid is closed?

Stock sleep mode drains 3 to 5 percent an hour. Use Quick Shutdown instead, or install Knulli, which fixes lid sleep.

What custom firmware should I use?

muOS for most people. MinUI if you only play up to PS1 and want the simplest possible menu. Knulli if you want a full EmulationStation front-end and working lid sleep.

Should I buy the RG35XXSP or wait for the RG SP?

The RG SP has the same chip, RAM and battery in a slimmer body with a better hinge. Buy the RG35XXSP if price matters. Wait for the RG SP if the hinge and slimmer body matter more.

Anbernic product page | RG35XX family guide at Retro Game Corps | Custom firmware comparison

Last verified: September 2026