2019 •Sega Genesis
A ROM hack/mod for Sonic the Hedgehog which changes Sonic for Shadow the Hedgehog. Although a previous mod with the same purpose exists, this one adds...
PowKiddy X39 by PowKiddy, Horizontal retro handheld, running "Linux", powered by Actions Semiconductor ATM7051, with a 4.3 inch display, priced around 45.0
Marketplace rows use affiliate-friendly links where available. Average price stays based on the console database, not live per-store pricing.
| Store | Price |
|---|---|
|
Aliexpress
Imported from spreadsheet hyperlink
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45.0 |
|
Aliexpress 2
Imported from spreadsheet hyperlink
|
45.0 |
|
PowKiddy
Imported from spreadsheet hyperlink
|
45.0 |
|
Amazon
Amazon search results
|
45.0 |
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Broad emulation range
PowKiddy X39 from PowKiddy is the kind of retro handheld that makes sense only once you stop reading the spec sheet like a trophy case and start reading it like a buyer.
If your library leans toward Game Boy, NES, and Sega Genesis, PowKiddy X39 immediately becomes more than just another line in a spreadsheet.
Before the review gets opinionated, here is the clean spec picture. This table is the reality check that keeps the rest of the write-up grounded.
| Category | Details |
|---|---|
| Brand | PowKiddy |
| Release | 2022 / 01 |
| Form factor | Horizontal |
| Operating system | "Linux" |
| Overall performance | ⭐️⭐️⭐️ |
| SoC | Actions Semiconductor ATM7051 |
| CPU | Cortex-A9, 4 Cores, and 900 MHz |
| GPU | PowerVR SGX540 and 500 MHz |
| RAM | 128 MB LPDDR2 |
| Display | 4.3 inch, IPS, and 60 Hz |
| Resolution | 480 x 272, 16:9, and 128.3 PPI |
| Battery and cooling | 2500 mAh |
| Storage and I/O | External MicroSD, USB-C, Mini HDMI, and 3.5mm Headphone |
| Price | 45.0 |
If this review pulls you in, the fastest next rabbit hole is M17 and PAP KIII Plus, because those are the products most likely to clarify whether PowKiddy X39 is your real match or just your current curiosity.
The heart of the machine is the Actions Semiconductor ATM7051. CPU duties are handled by Cortex-A9. Graphics are handled by PowerVR SGX540. Memory is listed at 128 MB LPDDR2. The sheet rates the overall performance at ⭐️⭐️⭐️, or roughly 3 on the normalized scale.
The CPU side is described with 4 Cores, 4 Threads, and 900 MHz, which is more useful than brand names alone because it hints at how much headroom the handheld should have before emulator tuning gets annoying. On the graphics side, 500 MHz and ARM helps sketch the ceiling for heavier systems, upscale experiments, and shader curiosity.
PowKiddy X39 looks strongest with Game Boy (A), NES (A), Sega Genesis (A), Game Boy Advance (A), Super Nintendo (B), and PlayStation 1 (B), which gives the review something more tangible than a vague "good for retro" verdict. The listed emulation limit, SNES & PS1 almost all full speed except for slight lag on a few FX chip SNES games and 3D PS1 games, is the kind of line buyers should actually respect because it tells you where the romance ends and the compromise begins.
If there is a weakness here, it is not necessarily fatal. It simply means the smartest pitch for this handheld is often the honest one: let it own the systems it handles confidently and do not pretend it is built to brute-force every wish list.
PowKiddy X39 pairs the hardware with 4.3 inch, IPS, 60 Hz, 480 x 272, 16:9, and 128.3 PPI. That is the kind of detail stack retro buyers should linger on, because a handheld can be technically capable and still feel wrong if the aspect ratio, sharpness, and scaling story are off. The screen protection is listed as Plastic, a small clue that often hints at how polished or rough the front face might feel in daily use.
The controls are described with Cross Lower placement, Single thumbstick Upper placement, 4 Buttons, L1, R1, L2, R2 Horizontal, and Menu, Power, Reset, Volume +-. That matters more than many spec sheets admit, because the difference between a fun handheld and a fatiguing one often shows up in the D-pad, shoulder shape, and how naturally the thumbs settle into place. If the screen is what sells a handheld in screenshots, the controls are what decide whether it earns repeat sessions.
The 16:9 aspect ratio adds another layer to the story. Some buyers want sharp all-purpose flexibility, others want a screen that flatters the systems they actually play most. Good reviews should make that tradeoff visible instead of pretending every resolution solves every problem.
PowKiddy X39 is best framed as a machine for shoppers who want a focused retro machine with a clear role. The smartest handheld purchases usually happen when the buyer matches the hardware to a play style instead of falling for the loudest marketing line.
The horizontal shape matters here because it changes comfort, portability, and the kind of nostalgia the device leans into. The fact that it runs "Linux" also affects what kind of setup work, app ecosystem, and tinkering ceiling buyers should expect.
The release timing listed as 2022 / 01 helps place it in context. A handheld can be exciting because it is current, but it can also be relevant because it still makes sense at today's street price.
| Console | Angle | Price | Performance | Why Click Through |
|---|---|---|---|---|
M17 SJGAM | Better Value | 35.0 | ⭐️⭐️⭐️¼ | horizontal layout, tracked around 35.0, rated ⭐️⭐️⭐️¼. |
PAP KIII Plus Anbernic | Closest Match | 43.0 | ⭐️⭐️½ | horizontal layout, tracked around 43.0, rated ⭐️⭐️½. |
PowKiddy J6 PowKiddy | Brand Neighbor | 37.0 | ⭐️⭐️ | horizontal layout, tracked around 37.0, rated ⭐️⭐️. |
Q400 Subor | Closest Match | 50.0 | ⭐️⭐️⭐️½ | horizontal layout, tracked around 50.0, rated ⭐️⭐️⭐️½. |
PowKiddy X39 becomes much easier to judge once it is forced into the same room as M17, PAP KIII Plus, and PowKiddy J6. This is where a vague impression turns into a real buying decision, because each nearby rival throws a different kind of pressure on the table.
PowKiddy X39 versus M17 is interesting because better value is the obvious angle. Compared with PowKiddy X39, M17 makes the more obvious play for readers who care about better value. M17 is tracked around 35.0. Its overall rating is ⭐️⭐️⭐️¼. That said, powKiddy X39 versus PAP KIII Plus is interesting because closest match is the obvious angle. PAP KIII Plus sits close enough to PowKiddy X39 to make the comparison meaningful, but different enough to sharpen the buying decision. That said, pAP KIII Plus is tracked around 43.0. In practice, its overall rating is ⭐️⭐️½. From another angle, powKiddy X39 versus PowKiddy J6 is interesting because brand neighbor is the obvious angle. PowKiddy J6 sits close enough to PowKiddy X39 to make the comparison meaningful, but different enough to sharpen the buying decision. PowKiddy J6 is tracked around 37.0. More importantly, its overall rating is ⭐️⭐️.
The real benefit of this comparison set is not that it declares a single winner. It reveals which compromise profile feels least annoying over time.
PowKiddy X39 is described with battery: 2500 mAh. Those are not background details; they shape noise, comfort, endurance, and whether the device feels eager to be used or mildly exhausting to keep fed. Audio is covered by Single Mono Front facing and 3.5mm Headphone, which matters for sofa play, travel, and late-night sessions when speakers and headphone output can quietly make or break the experience.
Physically, the device is outlined by 170 mm x 80 mm x 18 - 24 mm, 190.0, Plastic, and Black. This is where you start picturing whether it is truly pocketable, only jacket-safe, or clearly a bag companion. Buyers often underestimate how much daily affection is driven by the little things: where the ports sit, how the shell feels, and whether the handheld seems built for real use instead of product photos.
The practical I/O story includes External MicroSD, USB-A x2, USB-C, and Mini HDMI. These details matter because many retro buyers are also collectors, tinkerers, dock-and-TV players, or people with large libraries that need sensible storage and transfer options.
PowKiddy X39 is currently tracked around 45.0 and lands in the $0 - $50 pricing band. This category is ruthless about value perception. A handheld can be beloved at one price and impossible to defend at another.
The spreadsheet points shoppers toward Aliexpress, Aliexpress 2, and PowKiddy for availability. That matters because storefront quality, shipping confidence, and after-sales expectations often shape the emotional experience of a purchase before the box even arrives.
Every handheld makes tradeoffs somewhere, even when the spreadsheet leaves them unstated. Good buying advice is not about pretending the downsides do not exist; it is about deciding whether the downsides land in the part of the experience you personally care about.
PowKiddy X39 leaves the strongest impression when you frame it as a recommendation for shoppers who want a focused retro machine with a clear role. That is the lens that makes the strengths feel intentional instead of accidental.
Broad emulation range is not just a catchy label here. It is the cleanest shorthand for why this device deserves attention. The compatibility profile around Game Boy (A), NES (A), Sega Genesis (A), and Game Boy Advance (A) gives it a concrete identity.
If the device sparks your interest, the smartest next click is usually M17, followed by PAP KIII Plus, because that is where the shape of the market around it comes into focus. A useful verdict should leave the reader more curious, but also more precise.
Games shown here match systems this handheld can run at a B grade or better.
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