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The Game Boy Advance SP is one of the most beloved handheld designs ever made. That folding clamshell, the satisfying click when it snaps shut, the way it disappears into a pocket — Nintendo nailed it in 2003. Anbernic's RG34XX SP is an unabashed tribute to that design, updated with a modern H700 chip, dual analog sticks, and support for everything from NES to Dreamcast.
At around $70, it sits in the sweet spot between ultra-budget and mid-range. The design will sell you on the idea. The question is whether it holds up once the nostalgia wears off.
Specs at a Glance
| Spec | Detail |
|---|---|
| CPU | Allwinner H700, quad-core Cortex-A53 @ 1.5 GHz |
| GPU | Mali G31 MP2 |
| RAM | 2 GB LPDDR4 |
| Display | 3.5-inch IPS, 640×480, 4:3 aspect ratio |
| Storage | MicroSD (dual TF card slots) |
| Battery | ~3,200 mAh (~5–6 hours) |
| Connectivity | Wi-Fi, Bluetooth |
| Controls | D-pad, ABXY, dual analog sticks, L1/R1, L2/R2 |
| OS | Linux (Anbernic stock OS) |
| Form Factor | Clamshell (GBA SP-style) |
| Price | ~$70 |
Design and Build
Let's get this out of the way: the RG34XX SP looks phenomenal. If you grew up with a GBA SP, picking this up triggers an immediate sense of familiarity. The proportions are close to the original, the hinge has a satisfying resistance, and the matte plastic finish feels good in the hand.
The hinge opens to roughly 170 degrees, which gives you flexibility in viewing angle. It doesn't feel fragile or loose — a common concern with clamshell designs in this market. Some early reports flagged hinge cracking near the left screw hole on a small number of units, so it's worth inspecting yours early in the return window. But broadly, the hinge holds up well under normal daily use.
When closed, the screen and controls are fully protected, making this one of the most pocket-friendly retro handhelds available. It slips into a jeans pocket without the screen-scratch anxiety that comes with slab-style devices.
The button layout follows the GBA SP blueprint with modern additions. The D-pad and ABXY buttons sit on the lower half alongside two small analog sticks. The sticks are tiny — they have to be to fit the form factor — but they're functional for light N64 and PS1 use. Heavy 3D gaming isn't what this device is built for. L1/R1 and L2/R2 triggers line the top edge and have a clicky feel that works well for PS1 shoulder buttons.
One design compromise worth noting: the speaker placement pushes audio through a small grille that can get muffled when the device is resting on a surface. It's fine for handheld play, but the sound staging is noticeably narrower than on horizontal devices with front-facing speakers.
Performance
The H700 delivers the same performance here as it does in the RG35XX Pro, RG35XX Plus, and every other Anbernic device built around this chip. That means flawless emulation for 8-bit and 16-bit systems, excellent PS1 and GBA performance, and competent Dreamcast and N64 playback with some per-game tweaking.
The RG34XX SP has 2 GB of RAM compared to the 1 GB found in some other H700 models, but in practice this doesn't translate to dramatically better emulation. The H700's bottleneck is CPU and GPU performance, not memory. You might see marginal improvements in systems that benefit from larger caches, but don't expect meaningful performance jumps.
Where this device genuinely shines is GBA emulation. The 3.5-inch 4:3 IPS display at 640×480 is almost purpose-built for Game Boy Advance titles. GBA games run at 240×160, which scales cleanly to this resolution with minimal distortion. Combined with the clamshell form factor, playing GBA on the RG34XX SP is the closest thing to using an actual GBA SP with a dramatically better screen.
The KNULLI custom firmware includes a "Default-Knulli-SP" bezel set designed specifically for GBA on 4:3 clamshell displays, which adds an authentic SP-style border around the game. It's a small touch that perfectly complements the hardware design.
Custom Firmware Support
The RG34XX SP is supported by the major custom firmware options:
KNULLI Gladiator II has official support with lid behavior options — sleep mode or full shutdown when you close the clamshell. The OTA update system means you can update over Wi-Fi without reflashing.
muOS has builds available, though at the time of writing, the community is still ironing out some SP-specific quirks. The RG34XX H builds work on the SP since the screen dimensions are identical, but some users report needing to fiddle with button mappings.
ROCKNIX also supports the device, giving you another EmulationStation-based option.
The clamshell lid behavior is the key firmware feature to watch for. A well-implemented sleep-on-close function transforms the experience — you can snap the device shut mid-game and resume exactly where you left off, just like a real GBA SP. KNULLI handles this well; other firmwares vary.
Who This Is Perfect For
The RG34XX SP is the best retro handheld for GBA enthusiasts, full stop. If your library is dominated by Pokémon, Metroid Fusion, Golden Sun, Fire Emblem, and Advance Wars, this device was designed with you in mind. The form factor, screen ratio, and emulation performance align perfectly with GBA's strengths.
It's also an excellent gift device. The clamshell protects the screen, the form factor is intuitive, and the nostalgia factor is high enough that even non-gamers recognize what it's supposed to be.
Where It Falls Short
The small analog sticks limit its effectiveness for 3D-heavy systems. N64 and Dreamcast games are technically playable, but the stick size and placement make extended sessions with games like Ocarina of Time or Sonic Adventure less comfortable than on a horizontal device with full-size sticks.
At $70, it's also $20 more than the RG35XX Pro, which offers the same chip, better analog sticks, and HDMI output. You're paying a premium for the clamshell design and the nostalgia it brings. We break down that matchup in detail in our RG35XX Pro vs RG34XX SP comparison.
The Verdict
Rating: 4.0 / 5
The Anbernic RG34XX SP is a love letter to the Game Boy Advance SP, wrapped around a competent modern emulation chip. It's not the most powerful handheld in its price range, and the tiny analog sticks are a real compromise. But for GBA-focused players who value pocketability and screen protection, nothing else on the market captures the same magic.
Buy the RG34XX SP if: You love the GBA SP form factor, prioritize GBA/SNES/PS1 emulation, and want the most pocketable retro handheld with a protected screen.
Skip it if: You need strong analog sticks for 3D games, or you'd rather save $20 and get the RG35XX Pro in a vertical layout.