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Your Gateway to Retro Gaming Reviews

CoolBaby RS-11

CoolBaby RS-11 by CoolBaby, now discontinued, Horizontal retro handheld, running Proprietary, powered by Broadcom BCM2835 (Raspberry Pi Zero/W)

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CoolBaby RS-11
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Specifications

52 of 65 catalogued fields are filled in for this handheld. Anything the catalogue has not recorded is labelled Not documented rather than estimated.

Identity

Brand
CoolBaby
Release Date
2020 / 01
Price
Discontinued
Pricing category
Discontinued

Form factor & shell

Form Factor
Horizontal
Shell material
Plastic
Colors
Blue/Red, Black
Dimensions
200 mm x 86 mm x 16 mm
Weight
Not documented
Cooling
Not documented

Operating system

Operating System
Proprietary

Performance

System on a Chip
Broadcom BCM2835 (Raspberry Pi Zero/W)
CPU
ARM1176JZF-S
CPU cores
1 Core
CPU threads
1 Thread
CPU clock speed
1.0 GHz
Architecture
ARM
GPU
Broadcom VideoCore IV
GPU cores
Not documented
GPU clock speed
250 MHz
RAM
512 MB DDR
Performance rating
6/10 · B

Display

Screen size
5.0 inch
Screen type
TFT
Resolution
Not documented
PPI
Not documented
Aspect ratio
Not documented
Screen refresh rate
Not documented
Screen lens
Not documented

Battery & charging

Battery
3000 mAh
Charge port
Micro USB
Storage
Not documented

Controls

D-pad
Separated Buttons Lower placement
Analogs
Single slidepad Upper placement
Face buttons
4 Buttons
Shoulder buttons
L1, R1
Extra buttons
Power, Volume +-
Rumble
Not documented
Volume control
Dedicated Buttons
Brightness control
Menu
Power control
Button

Connectivity

Connectivity
Not documented
Video output
Mini HDMI
Audio output
3.5mm Headphone
Speaker
Single Mono Rear facing
Sensors
Not documented

Emulation grades

Game Boy
A
Nintendo Entertainment System
A
Sega Genesis
A
Game Boy Advance
B
Super Nintendo
B
PlayStation 1
C
Nintendo DS
D
Nintendo 64
D
Dreamcast
F
PSP
F
Sega Saturn
F
GameCube
F
Wii
F
Nintendo 3DS
F
PlayStation 2
F
Wii U
F
Nintendo Switch
F
PlayStation 3
F
Emulation limit
Not documented

Where To Buy

Marketplace rows use affiliate-friendly links where available. Average price stays based on the console database, not live per-store pricing.

Store Price
Amazon
Amazon search results
Discontinued
AliExpress
AliExpress search results
Discontinued
Alibaba
Alibaba search results
Discontinued

Affiliate disclosure and terms are linked in the footer.

CoolBaby RS-11 review: why this horizontal handheld is more interesting than it first looks

Budget shortlist candidate

CoolBaby RS-11 is more compelling when you judge it by role, not hype: what it can emulate comfortably, how it should feel in the hand, what it costs, and which nearby alternatives keep it honest.

CoolBaby RS-11 is not trying to win every argument at once; its appeal lives in the balance between emulation comfort, day-to-day usability, and whether its price still feels sane.

Best For

  • Shoppers who want a focused retro machine with a clear role.
  • Best fit for Game Boy (A), NES (A), and Sega Genesis (A).
  • Designed around a horizontal handheld shape.

Why It Hooks You

  • Overall rating sits at 6/10 · B.
  • TFT display story helps define the vibe.

Watch Outs

  • Some systems, including PlayStation 1 (C), may need more tuning.

Spec Snapshot

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.

CategoryDetails
BrandCoolBaby
Release2020 / 01
Form factorHorizontal
Operating systemProprietary
Overall performance6/10 · B
SoCBroadcom BCM2835 (Raspberry Pi Zero/W)
CPUARM1176JZF-S, 1 Core, and 1.0 GHz
GPUBroadcom VideoCore IV and 250 MHz
RAM512 MB DDR
Display5.0 inch and TFT
Battery and cooling3000 mAh
Storage and I/OMicro USB, Mini HDMI, and 3.5mm Headphone
PriceDiscontinued

If this review pulls you in, the fastest next rabbit hole is JXD S5800 and Yinlips YDPG17, because those are the products most likely to clarify whether CoolBaby RS-11 is your real match or just your current curiosity.

Battery, Build, and Everyday Friction

CoolBaby RS-11 is described with battery: 3000 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 Rear 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 200 mm x 86 mm x 16 mm, Plastic, and Blue/Red, Black. This is where you start picturing whether it is truly pocketable, only jacket-safe, or clearly a bag companion. The best portable devices earn their place in a routine. They are easy to reach for, easy to trust, and easy to put back down without feeling delicate.

The practical I/O story includes Micro USB 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.

Price, Availability, and Value Pressure

Retro handhelds are almost never judged in isolation; they are judged against the five other devices sitting one tab away in a buyer's browser.

Availability is part of the value story too. A strong handheld with sketchy storefronts or inconsistent launch timing can still become a frustrating buy.

Every handheld makes tradeoffs somewhere, even when the spreadsheet leaves them unstated. That is why value is always a conversation between specs and priorities. There is no universal bargain, only a good fit at the right moment.

What It Should Feel Like In Hand

CoolBaby RS-11 pairs the hardware with 5.0 inch and TFT. 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 controls are described with Separated Buttons Lower placement, Single slidepad Upper placement, 4 Buttons, L1, R1, and Power, 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.

Retro display choices are always a negotiation. 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.

The Consoles Most Likely To Pull You Away

ConsoleAnglePricePerformanceWhy Click Through
JXD S5800
JinXing Digital
Better ValueDiscontinued7/10 · B+horizontal layout, rated 7/10 · B+.
Yinlips YDPG17
Yinlips / Smaggi
Better ValueDiscontinued7/10 · B+horizontal layout, rated 7/10 · B+.
JXD S7300A
JinXing Digital
Better ValueDiscontinued6.5/10 · Bhorizontal layout, rated 6.5/10 · B.
Yinlips YDPG19
Yinlips / Smaggi
More PowerfulDiscontinued8/10 · A-horizontal layout, rated 8/10 · A-.

CoolBaby RS-11 becomes much easier to judge once it is forced into the same room as JXD S5800, Yinlips YDPG17, and JXD S7300A. 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.

CoolBaby RS-11 versus JXD S5800 is interesting because better value is the obvious angle. JXD S5800 sits close enough to CoolBaby RS-11 to make the comparison meaningful, but different enough to sharpen the buying decision. Its overall rating is 7/10 · B+. That said, coolBaby RS-11 versus Yinlips YDPG17 is interesting because better value is the obvious angle. If CoolBaby RS-11 feels almost right but not quite, Yinlips YDPG17 is the sort of nearby detour that can completely change the shortlist. That said, coolBaby RS-11 versus JXD S7300A is interesting because better value is the obvious angle. Compared with CoolBaby RS-11, JXD S7300A makes the more obvious play for readers who care about better value. More importantly, its overall rating is 6.5/10 · B.

A handheld earns a place in the shortlist when it can survive comparison without needing excuses. That is the standard this section is really applying.

Who This Handheld Is Really For

CoolBaby RS-11 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 Proprietary also affects what kind of setup work, app ecosystem, and tinkering ceiling buyers should expect.

The release timing listed as 2020 / 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.

Where The Hardware Should Hold Up

The heart of the machine is the Broadcom BCM2835 (Raspberry Pi Zero/W). CPU duties are handled by ARM1176JZF-S. Graphics are handled by Broadcom VideoCore IV. Memory is listed at 512 MB DDR. The sheet rates the overall performance at 6/10 · B, or roughly 3 on the normalized scale.

The CPU side is described with 1 Core, 1 Thread, and 1.0 GHz, 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, 250 MHz and ARM helps sketch the ceiling for heavier systems, upscale experiments, and shader curiosity.

CoolBaby RS-11 looks strongest with Game Boy (A), NES (A), Sega Genesis (A), Game Boy Advance (B), and Super Nintendo (B), which gives the review something more tangible than a vague "good for retro" verdict.

The middle tier of compatibility, including PlayStation 1 (C), is where the buyer needs some honesty. These are usually the systems that separate a casual dabbler from a user who is happy tweaking emulator settings, testing cores, or accepting the occasional rough edge.

The Shortlist Verdict

CoolBaby RS-11 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.

Budget shortlist candidate 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 (B) gives it a concrete identity.

If the device sparks your interest, the smartest next click is usually JXD S5800, followed by Yinlips YDPG17, 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.

Playable Games

Games shown here match systems this handheld can run at a B grade or better.

Zero One SP
Zero One SP

2004 •Game Boy Advance

Nagoya always suffers from mysterious dreams. One day he is invited by his classmates on a drinking party to celebrate the last day of semester. They...

Zero Tolerance
Zero Tolerance

1994 •Sega Genesis

The space station Europe-1 has been overrun by aliens. During one of the fights the nuclear cooling system has been damaged, resulting in a meltdown w...

Zero Tours
Zero Tours

2001 •Game Boy Advance

This is a Game Boy Advance RPG from Media Rings Corporation, released on July 27th 2001. It is also known as Mugen Kinogyou Zero Tours. The game featu...

Zero Wing
Zero Wing

1989 •Sega Genesis

Zero Wing is a side-scrolling shoot 'em up arcade game, notable for a poorly translated English version for Sega Mega Drive (Genesis) that spawned the...

CoolBaby RS-11 — Frequently Asked Questions

Every answer is built from this console's own catalogue record. Where the record is empty, the answer says so rather than guessing.

Is the CoolBaby RS-11 an official CoolBaby product?

The console database lists the CoolBaby RS-11 under the brand CoolBaby. It does not document whether the CoolBaby RS-11 is an officially licensed CoolBaby product.

When was the CoolBaby RS-11 released, and what does it cost?

The console database lists the release date as 2020 / 01 and the price as Discontinued for the CoolBaby RS-11.

What chipset and how much RAM does the CoolBaby RS-11 have?

The console database lists the system on a chip as Broadcom BCM2835 (Raspberry Pi Zero/W), the CPU as ARM1176JZF-S, and the RAM as 512 MB DDR for the CoolBaby RS-11.

What are the CoolBaby RS-11's dimensions, weight and battery?

The console database lists the dimensions as 200 mm x 86 mm x 16 mm and the battery as 3000 mAh for the CoolBaby RS-11. The weight is not documented in the console database.

Which systems can the CoolBaby RS-11 emulate well?

The console database gives the CoolBaby RS-11 a grade of B+ or better for 3 systems: Game Boy, Nintendo Entertainment System, and Sega Genesis.

Where can I buy the CoolBaby RS-11?

The marketplace rows shown for the CoolBaby RS-11 are search and marketplace links, not a verified live price feed. The console database does not verify live prices or stock, so check the linked marketplace listings for current availability.

Sources & Editorial Notes

  • Specifications are taken from this handheld's entry in the Lost In Consoles catalogue, which is compiled from manufacturer documentation and public filings. How we compile device data.
  • Empty fields are published as Not documented. Nothing on this page is estimated, inferred or carried over from a similar device.
  • Spotted an error? Send a correction.