Controllers / Compare

8BitDo Ultimate Mobile Gaming Controller vs GameSir G8 Galileo

A

Product A: 8BitDo

Ultimate Mobile Gaming Controller

55 of 151 known

Change 8BitDo Ultimate Mobile Gaming Controller

Compare the GameSir G8 Galileo with

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B

Product B: GameSir

G8 Galileo

64 of 151 known

Change GameSir G8 Galileo

Compare the 8BitDo Ultimate Mobile Gaming Controller with

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All 151 fields

Every value links to where we found it.

Only differences

A8BitDo Ultimate Mobile Gaming Controller

BGameSir G8 Galileo

General

5 of 11 differ

Series

Ultimate1Maker product page8bitdo.com/ultimate-mobile-gaming-controllerRead 15 October 2026The maker page says the design is inherited from 8BitDo flagship Ultimate series. Ultimate is the series name used for the other Ultimate products.

G81Maker product pagegamesir.com/products/gamesir-g8-galileo/buyRead 15 October 2026Maker names the model line G8: G8 Galileo here, G8 Plus for the wireless sibling.

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

80LB01, 80LB026Maker product pageshop.8bitdo.com/products/8bitdo-ultimate-mobile-gaming-controllerRead 15 October 2026The shop's public product data (the page's products JSON feed) lists the White variant with SKU 80LB01 and the Black variant with SKU 80LB02. The Xbox Edition is a different product with SKUs 80LA01 and 80LA02.

GSG8001-11Maker product pagegamesir.com/products/gamesir-g8-galileo/buyRead 15 October 2026Variant G8 has SKU GSG8001-1. The bundle G8 + Carring Bag has SKU GSG8001+WCRBD001 and the same barcode. It is not stored as a variant because the page does not describe the bag. Alltron (retailer) lists GSG8001 with EAN 6936685223004 for the grey USB-C model.

GTIN / EAN

6922621506089, 692262150609610Retailer pagejbhifi.com.au/products/8bitdo-ultimate-mobile-gaming-controller-blackRead 15 October 2026Product data embedded in the page has barcode 6922621506096 for the Black unit. A Latvian retailer listing for RET00491 shows the same code. The check digit is valid.11Retailer pagejbhifi.com.au/products/8bitdo-ultimate-mobile-gaming-controllerwhiteRead 15 October 2026Product data embedded in the page has barcode 6922621506089 for the White unit. The check digit is valid. Both codes use the 8BitDo prefix 692262150.

69366852000431Maker product pagegamesir.com/products/gamesir-g8-galileo/buyRead 15 October 2026Barcode of the G8 variant, shared with the bundle variant on the maker page.

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

25 October 20248Press articletheverge.com/2024/10/25/24279435/8bitdo-ultimate-mobile-gaming-controller-android-hall-effectRead 15 October 2026The Verge, 25 October 2024: 8BitDo has announced the controller.

Not available

Status

Available1Maker product page8bitdo.com/ultimate-mobile-gaming-controllerRead 15 October 2026The maker page is live with Amazon US and UK order links. Amazon US shows the item in stock on 2026-10-15.

Available1Maker product pagegamesir.com/products/gamesir-g8-galileo/buyRead 15 October 2026Maker store lists the product as in stock.

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

Not available

Not available

SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Not available

Not available

Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

$49.998Press articletheverge.com/2024/10/25/24279435/8bitdo-ultimate-mobile-gaming-controller-android-hall-effectRead 15 October 2026Available for preorder for $49.99 in US dollars at launch. The 8BitDo US shop price is still $49.99. No tax is included in the maker price.

$79.995Press releasefunkykit.com/news/gamesir-launches-the-g8-galileo-mobile-gaming-controllerRead 15 October 2026Launch release reprint dated 2023-12-04: "now available for purchase for $79.99".12Reviewtrustedreviews.com/reviews/gamesir-g8-galileoRead 15 October 2026Review of 2024-01-12, spec box: "USA RRP $79.99" and UK RRP £79.99. The same page lists weight 253 g from its own spec box, which is not a stated measurement. The maker value 252 g is kept.

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

Not available

€89.996Press releasegamesmea.com/gamesir-launches-next-generation-g8-galileo-mobile-gaming-controllerRead 15 October 2026Launch release dated 2023-11-30: "$79.99/ £79.99/ €89.99/ JP¥11,182". The tax treatment of the euro price is not stated.

MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

Not available

Not available

ColoursiThe maker's own colour names

White, Black6Maker product pageshop.8bitdo.com/products/8bitdo-ultimate-mobile-gaming-controllerRead 15 October 2026Colour option values are White and Black.

Not available

Form factor

Mobile clamp1Maker product page8bitdo.com/ultimate-mobile-gaming-controllerRead 15 October 2026

Mobile clamp2Owner's manualcdn.shopify.com/s/files/1/2241/8433/files/G8_manual.pdfRead 15 October 2026Phone is clamped between two grips on a stretchable bridge.

Stick layout

Offset2Owner's manualdownload.8bitdo.com/Manual/Controller/Ultimate/Ultimate-Mobile-Gaming-Controller-EN.pdfRead 15 October 2026Front diagram: left stick above the D-pad and right stick below the A B X Y buttons.

Offset2Owner's manualcdn.shopify.com/s/files/1/2241/8433/files/G8_manual.pdfRead 15 October 2026Device Layout drawing: left stick above the D-pad, right stick below the A/B/X/Y buttons.

Face button labels

Xbox2Owner's manualdownload.8bitdo.com/Manual/Controller/Ultimate/Ultimate-Mobile-Gaming-Controller-EN.pdfRead 15 October 2026Front diagram labels the face buttons A, B, X and Y in the Xbox arrangement.

Xbox2Owner's manualcdn.shopify.com/s/files/1/2241/8433/files/G8_manual.pdfRead 15 October 2026Layout names A/B/X/Y, View, Menu, LB/RB/LT/RT.

Made by the platform holder

No1Maker product page8bitdo.com/ultimate-mobile-gaming-controllerRead 15 October 2026Made and sold by 8BitDo. It is not a Microsoft, Sony, Nintendo or Valve product.

No2Owner's manualcdn.shopify.com/s/files/1/2241/8433/files/G8_manual.pdfRead 15 October 2026GameSir product.

Compatibility

6 of 9 differ

Platforms

Android, iOS, macOS1Maker product page8bitdo.com/ultimate-mobile-gaming-controllerRead 15 October 2026Tech Specs Compatibility lists iOS 18.5, iPadOS 18.5, tvOS 18.5, macOS 15.5, visionOS 2.4 and Android 13.0 and above. The platform list has no iPadOS, tvOS or visionOS option, so only iOS, macOS and Android are stored. At launch in 2024 the maker and press said Android only, with Android 9.0 and above. The current page replaces that.

Android, iOS3Maker product pagegamesir.com/pages/tutorial-how-to-use-gamesir-g8-galileoRead 15 October 2026FAQ 1: "iPhone 15 series and Android." The buy page spec table says Android only. The FAQ and the launch release both name the iPhone 15 series, so iOS is stored.

Connection per platform

A8BitDo Ultimate Mobile Gaming Controller

Platform	Connection
Android	Bluetooth
iOS	Bluetooth
macOS	Bluetooth

Source1Maker product page8bitdo.com/ultimate-mobile-gaming-controllerRead 15 October 2026Connectivity row says Bluetooth for every listed platform. Per-platform full feature support is not stated, so full_features is left out.

BGameSir G8 Galileo

Platform	Connection	All features
Android	USB (wired)	Not available
iOS	USB (wired)	No

Source3Maker product pagegamesir.com/pages/tutorial-how-to-use-gamesir-g8-galileoRead 15 October 2026FAQ 2: "Built-in wired Type-C to your phone". iOS is marked without full features because the GameSir App is Android only.

Official licence

Not available

Not available

Input modes

Not available

DirectInput7Measurementgamepadla.com/gamesir-g8-galileo.htmlRead 15 October 2026Tested over the cable in DInput on Windows 11.

Mode switching

Not available

Button combo2Owner's manualcdn.shopify.com/s/files/1/2241/8433/files/G8_manual.pdfRead 15 October 2026Hold View + Menu for 2 s to switch modes: white for PS mode, green for Android mode, blue for G-Touch mode.

Native Steam Input supportiOfficial Steam Input integration that exposes controller-specific inputs. This does not mean a game uses the Steam Input API or that the controller has only one input protocol.

Not available

Not available

Wakes the supported consoleiWhether the controller can wake a supported console from sleep. The applicable console or Steam Machine is identified in source notes.

Not available

Not available

Max phone length

170mm1Maker product page8bitdo.com/ultimate-mobile-gaming-controllerRead 15 October 2026Tech Specs: fits mobile devices ranging from 100mm to 170mm in length. Only the maximum is stored.

185mm1Maker product pagegamesir.com/products/gamesir-g8-galileo/buyRead 15 October 2026"Compatible Device Length 110-185mm / 4.3 - 7.3 in".3Maker product pagegamesir.com/pages/tutorial-how-to-use-gamesir-g8-galileoRead 15 October 2026FAQ 1: 110-185 mm long, 13 mm or below deep, camera depth 5 mm or less, measured without a phone case. FAQ 7 does not recommend a phone case and allows one under 1 mm.

Works with phone case

Yes12Reviewpockettactics.com/8bitdo-ultimate-mobile-gaming-controller-reviewRead 15 October 2026Callum Self, updated 19 March 2025: a Galaxy S25 Ultra with a sturdy case fits in the clamp. This is one reviewer with one phone and one case. The maker only states the 100 mm to 170 mm length range.

Not available

Connectivity

2 of 15 differ

Connections

Bluetooth1Maker product page8bitdo.com/ultimate-mobile-gaming-controllerRead 15 October 2026

USB (wired)1Maker product pagegamesir.com/products/gamesir-g8-galileo/buyRead 15 October 2026"Built-in wired Type-C to your phone".

Controller Bluetooth versioniBluetooth version implemented by the controller. Host device minimum requirements are not the controller’s Bluetooth version.

Not available

Not available

Wireless receiver

None1Maker product page8bitdo.com/ultimate-mobile-gaming-controllerRead 15 October 2026Connectivity is Bluetooth only. The Includes list has no receiver.

None2Owner's manualcdn.shopify.com/s/files/1/2241/8433/files/G8_manual.pdfRead 15 October 2026Wired controller with no wireless link.

Receiver connector

Not available

Not available

Wireless range (claimed)

Not available

Not available

Paired device slots

Not available

Not available

Wired connector

Not available

USB-C1Maker product pagegamesir.com/products/gamesir-g8-galileo/buyRead 15 October 2026Built-in movable Type-C plug that connects to the phone.

USB

Not available

Not available

Detachable cable

Not available

Not available

Cable length

Not available

Not available

Cable type

Not available

Not available

Claimed polling rate by connectioniMaker-claimed report rate for the stated connection and platform. Tournament modes or protocol requirements go in source notes. This is not input latency or a reviewer measurement.

Not available

Not available

Polling rate wired

Not available

Not available

Polling rate wireless

Not available

Not available

Polling rate Bluetooth

Not available

Not available

Sticks

4 of 15 differ

Stick sensor

Hall effect1Maker product page8bitdo.com/ultimate-mobile-gaming-controllerRead 15 October 2026

Hall effect1Maker product pagegamesir.com/products/gamesir-g8-galileo/buyRead 15 October 2026"Hall Effect Sticks".

Stick module nameiPublished module part number or maker-branded stick mechanism. A brand name does not establish the component manufacturer.

Not available

Not available

Stick resolution (claimed)

Not available

Not available

Default dead zone (claimed)

Not available

Not available

Adjustable dead zoneiTrue when the stick dead zone can be changed on the controller or in an app. A switch between the default and a zero dead zone counts.

Yes1Maker product page8bitdo.com/ultimate-mobile-gaming-controllerRead 15 October 2026Customize each stick in Ultimate Software V2. The V2 Mobile page states joystick range and dead zone adjustment.3Maker product pageapp.8bitdo.com/Ultimate-Software-V2-MobileRead 15 October 2026Sticks: adjust the joystick range and dead zone.12Reviewpockettactics.com/8bitdo-ultimate-mobile-gaming-controller-reviewRead 15 October 2026The app can adjust each stick's dead zone.

Yes2Owner's manualcdn.shopify.com/s/files/1/2241/8433/files/G8_manual.pdfRead 15 October 2026"Use GameSir App for firmware upgrade, button testing, sticks & triggers zones adjustment".

Adjustable response curve

Not available

Not available

Adjustable stick tension

Not available

No7Measurementgamepadla.com/gamesir-g8-galileo.htmlRead 15 October 2026Crowd-submitted spec list, marked unverified: Stick tension: No.

Tension levels

Not available

Not available

Stick throw

Not available

Not available

Stick gate

Not available

Not available

Stick click (L3/R3)

Yes2Owner's manualdownload.8bitdo.com/Manual/Controller/Ultimate/Ultimate-Mobile-Gaming-Controller-EN.pdfRead 15 October 2026Diagram and turbo text name LSB and RSB (LS/RS) stick buttons.

Yes2Owner's manualcdn.shopify.com/s/files/1/2241/8433/files/G8_manual.pdfRead 15 October 2026Device Layout names LS and RS as the sticks pressed down.

Swappable stick tops

Not available

Yes2Owner's manualcdn.shopify.com/s/files/1/2241/8433/files/G8_manual.pdfRead 15 October 2026"You can interchange the thumbsticks according to your preferences."12Reviewtrustedreviews.com/reviews/gamesir-g8-galileoRead 15 October 2026"Those analogue sticks can be replaced by lifting off the G8 Galileo's magnetised face plates, with three different stick options supplied in the box."

Stick tops includediStick cap styles included in this configuration. Counts fitted caps as well as spare caps. Optional caps sold separately are not included.

Not available

Small thumbstick, High thumbstick, Round thumbstick2Owner's manualcdn.shopify.com/s/files/1/2241/8433/files/G8_manual.pdfRead 15 October 2026Package contents: Small Thumbstick x1, High Thumbstick x1, Round Thumbstick x1. The manual does not say which style is fitted at purchase.

Replaceable stick modules

Not available

Not available

Stick calibration

Not available

On the device2Owner's manualcdn.shopify.com/s/files/1/2241/8433/files/G8_manual.pdfRead 15 October 2026Hold View + Menu + Home for 5 s to enter the stick and trigger calibration mode on the controller.

Triggers

2 of 10 differ

Trigger sensoriDigital is on or off. Analog is for analog triggers whose sensor no source names.

Hall effect1Maker product page8bitdo.com/ultimate-mobile-gaming-controllerRead 15 October 2026

Hall effect1Maker product pagegamesir.com/products/gamesir-g8-galileo/buyRead 15 October 2026"Hall Effect analog triggers".

Trigger resolution

Not available

Not available

Trigger travel

Not available

Not available

Trigger stops

Not available

No7Measurementgamepadla.com/gamesir-g8-galileo.htmlRead 15 October 2026Crowd-submitted spec list, marked unverified: Trigger lock: No.

Trigger stop positions

Not available

Not available

Trigger stop type

Not available

Not available

Shortest trigger travel

Not available

Not available

Adjustable trigger dead zone

Yes1Maker product page8bitdo.com/ultimate-mobile-gaming-controllerRead 15 October 20263Maker product pageapp.8bitdo.com/Ultimate-Software-V2-MobileRead 15 October 2026Triggers: adjust the trigger range and dead zone. The supported device table marks Trigger Adjustment for Ultimate Mobile Gaming Controller on Android and on iOS.

Yes2Owner's manualcdn.shopify.com/s/files/1/2241/8433/files/G8_manual.pdfRead 15 October 2026Same app sentence: sticks & triggers zones adjustment.

Hair trigger mode

Not available

Yes2Owner's manualcdn.shopify.com/s/files/1/2241/8433/files/G8_manual.pdfRead 15 October 2026Hold M + LT/RT for 2 s to enable or disable hair trigger.

Adaptive triggers

Not available

Not available

Buttons

6 of 17 differ

Face button switches

Not available

Membrane1Maker product pagegamesir.com/products/gamesir-g8-galileo/buyRead 15 October 2026ABXY: "Membrane, 5 million-click lifespan".

Face button switch nameiPublished switch or mechanism name. May be the maker’s branded design rather than a component part number.

Not available

Not available

Swappable face buttons

Not available

Not available

Bumper switches

Not available

Not available

D-pad

Cross2Owner's manualdownload.8bitdo.com/Manual/Controller/Ultimate/Ultimate-Mobile-Gaming-Controller-EN.pdfRead 15 October 2026Front diagram and maker photo show a plus shaped cross D-pad.

Cross2Owner's manualcdn.shopify.com/s/files/1/2241/8433/files/G8_manual.pdfRead 15 October 2026Device Layout drawing shows a plus-shaped D-Pad.

D-pad switches

Not available

Not available

Rear grip buttons or paddlesiMaximum number of additional rear grip inputs the controller supports. Excludes standard shoulder buttons and triggers (L1/R1/L2/R2 or LB/RB/LT/RT), extra shoulder buttons and front buttons. Removable paddles are counted when fitted. Check the box contents for included paddles.

21Maker product page8bitdo.com/ultimate-mobile-gaming-controllerRead 15 October 2026Enhanced Features and Special Features: 2 Pro back paddle buttons. The manual labels them P1 and P2.

21Maker product pagegamesir.com/products/gamesir-g8-galileo/buyRead 15 October 2026"Back Buttons 2" and "Extra Buttons 2 Back Buttons".

Rear grip input typeiPhysical form of the additional rear grip inputs. Swappable means the same slots accept alternative button and lever or paddle shapes.

Paddles1Maker product page8bitdo.com/ultimate-mobile-gaming-controllerRead 15 October 2026

Buttons2Owner's manualcdn.shopify.com/s/files/1/2241/8433/files/G8_manual.pdfRead 15 October 2026Back view drawing shows two round buttons labelled L4 and R4.

Removable rear paddlesiWhether rear paddles or lever-shaped back buttons can be removed by the user. This does not count the standard shoulder buttons or triggers.

Not available

Not available

Additional shoulder buttonsiAdditional physical shoulder or bumper buttons. Excludes standard L1/R1/L2/R2 or LB/RB/LT/RT controls and rear grip inputs.

02Owner's manualdownload.8bitdo.com/Manual/Controller/Ultimate/Ultimate-Mobile-Gaming-Controller-EN.pdfRead 15 October 2026The labelled diagram has only LB, RB, LT and RT on the shoulders.

Not available

Additional remappable buttonsiCounts additional remappable controls across the rear, shoulders and front. Excludes normal face buttons, D-pad directions, stick clicks, standard shoulders and triggers, and system or profile buttons. Optional removable paddles count when fitted.

21Maker product page8bitdo.com/ultimate-mobile-gaming-controllerRead 15 October 2026Only the two back paddles P1 and P2 are additional remappable controls. The manual shows no other extra buttons.

22Owner's manualcdn.shopify.com/s/files/1/2241/8433/files/G8_manual.pdfRead 15 October 2026L4 and R4 on the back. They can be mapped to A/B/X/Y/LB/RB/LT/RT/LS/RS/View/Menu/Capture/D-Pad. The M button is a function key and is not counted.

On-controller remappingiAt least one configurable gameplay button can be remapped using controller controls without a companion app. Does not imply that every button is remappable without software.

Yes2Owner's manualdownload.8bitdo.com/Manual/Controller/Ultimate/Ultimate-Mobile-Gaming-Controller-EN.pdfRead 15 October 2026P1/P2 Buttons Configuration: hold P1 or P2 with a button and the star button to copy that button to the paddle. Fast Button Swap swaps A and B style pairs the same way. Settings are not saved after power off.

Yes2Owner's manualcdn.shopify.com/s/files/1/2241/8433/files/G8_manual.pdfRead 15 October 2026Hold M + L4/R4, then press the button to map. No app is needed.

Custom onboard profilesiNumber of additional named or custom profiles stored on the controller, beyond any separate default bank identified by the maker. Excludes app-only profiles. Does not assume the default bank is immutable.

Not available

Not available

Profile switch controliA dedicated button, or a dedicated function button used in a combination, that switches saved controller profiles.

Yes1Maker product page8bitdo.com/ultimate-mobile-gaming-controllerRead 15 October 2026Enhanced Features and Special Features both list a Profile button. The manual labels only a Profile LED next to the star button and does not describe profile switching. How many profiles it stores is not stated, so onboard_profiles is left out.

Not available

Turbo

Yes1Maker product page8bitdo.com/ultimate-mobile-gaming-controllerRead 15 October 2026Special Features list Turbo. The manual has a Turbo Function section.

Yes2Owner's manualcdn.shopify.com/s/files/1/2241/8433/files/G8_manual.pdfRead 15 October 2026Hold M, then press the button that needs turbo. Configurable buttons: A/B/X/Y/LB/RB/LT/RT.

Macros

No3Maker product pageapp.8bitdo.com/Ultimate-Software-V2-MobileRead 15 October 2026The desktop Ultimate Software V2 table has a Macro column and it is blank for Ultimate Mobile Gaming Controller. The maker feature list has Turbo and no macro. The Verge and Retro Handhelds mentioned macro buttons at launch.

Not available

Share or capture button

No2Owner's manualdownload.8bitdo.com/Manual/Controller/Ultimate/Ultimate-Mobile-Gaming-Controller-EN.pdfRead 15 October 2026The labelled diagram has Select, Start, Home, Turbo and Pair buttons and no capture or share button.

Yes2Owner's manualcdn.shopify.com/s/files/1/2241/8433/files/G8_manual.pdfRead 15 October 2026Device Layout lists a Capture Button.

Feedback

2 of 5 differ

RumbleiFeedback features as published. Trigger rumble means dedicated trigger-vibration feedback, separate from motor-driven adaptive trigger resistance. HD haptics follows the maker’s stated high-definition feedback feature.

Not available

Not available

Rumble motor type

Not available

Not available

Rumble motors in grips

Not available

08Reviewexpertreviews.co.ukRead 15 October 2026Review: "there's no support for any haptics or rumble". Gadgetmatch's G8 Plus comparison table also lists Rumble Motor: No for the G8 Galileo.

Trigger rumble motors

Not available

08Reviewexpertreviews.co.ukRead 15 October 2026Same review statement, no haptics or rumble of any kind.

Adjustable rumble

Not available

Not available

Motion and touch

4 of 12 differ

Gyroscope

Not available

No9Reviewgadgetmatch.com/gamesir-g8-plus-review-specs-price-mobile-bluetooth-controllerRead 15 October 2026G8 Plus vs G8 Galileo comparison table: 6-axis gyroscope: No for the G8 Galileo. The same table lists no battery, no rumble motor and a headphone jack.

Combined motion sensor axesiTotal gyroscope and accelerometer axes. A three-axis gyroscope plus a three-axis accelerometer is a six-axis motion sensor.

Not available

Not available

Gyro as mouse

Not available

Not available

Touchpad

No2Owner's manualdownload.8bitdo.com/Manual/Controller/Ultimate/Ultimate-Mobile-Gaming-Controller-EN.pdfRead 15 October 2026The labelled diagram and the maker photo show no touchpad.

Not available

Touchpads

Not available

Not available

Clickable touchpadiSupports a press-to-click action, including pressure-sensed haptic clicks. Does not imply a mechanically moving switch.

Not available

Not available

NFC

Not available

No7Measurementgamepadla.com/gamesir-g8-galileo.htmlRead 15 October 2026Crowd-submitted spec list, marked unverified: NFC support: No.

IR camera

Not available

Not available

Built-in display

No2Owner's manualdownload.8bitdo.com/Manual/Controller/Ultimate/Ultimate-Mobile-Gaming-Controller-EN.pdfRead 15 October 2026The labelled diagram and the maker photo show no screen on the controller.

No7Measurementgamepadla.com/gamesir-g8-galileo.htmlRead 15 October 2026Crowd-submitted spec list, marked unverified: Display: No.

Light bar

Not available

Not available

RGB lighting

No3Maker product pageapp.8bitdo.com/Ultimate-Software-V2-MobileRead 15 October 2026The RGB column is blank for Ultimate Mobile Gaming Controller in the mobile and desktop tables. The maker feature list names no lighting.13Reviewlootlevelchill.com/reviews/8bitdo-ultimate-mobile-gaming-controller-reviewRead 15 October 2026Mick Fraser, 17 May 2025: the controller is no frills and has none of the RGB lighting that budget controllers add.

Not available

Lighting zones

Not available

Not available

Measured

3 of 13 differ

Measured input latencyiHardware-measured latency for the documented stock setup. Connection, input, operating system, input mode, firmware, tester and settings are recorded in source notes. Polling rate is a separate report-rate measurement. Different setups are separate rows.

A8BitDo Ultimate Mobile Gaming Controller

Not available

BGameSir G8 Galileo

Connection	Input	Average (ms)	Min (ms)	Max (ms)	Jitter (ms)	Polling rate (Hz)	Tested on
USB (wired)	Button	4.28	2.09	6.53	1.16	457	Windows
USB (wired)	Stick	7.82	4.8	10.38	1.28	457	Windows

Source7Measurementgamepadla.com/gamesir-g8-galileo.htmlRead 15 October 2026Prometheus 82 v5.2.3.1, tests #6591 (button) and #6600 (stick) on 2025-09-28 by JayBee. Windows 11 build 10.0.26100, cable, DInput, firmware 129.60. Stick latency at 99% deflection. Polling rate comes from the site's software test. Page status is Not verified yet and it lists 5 more tests that were not stored.

Button latency wired (measured, highest average)iHighest average latency among the stored reviewer setups for this connection and input. It is not the maximum individual event or a guaranteed result for every platform. See source notes for each setup.

Not available

4.28ms=CalculatedFrom Measured input latency

Button latency wireless (measured, highest average)iHighest average latency among the stored reviewer setups for this connection and input. It is not the maximum individual event or a guaranteed result for every platform. See source notes for each setup.

Not available

Not available

Button latency Bluetooth (measured, highest average)iHighest average latency among the stored reviewer setups for this connection and input. It is not the maximum individual event or a guaranteed result for every platform. See source notes for each setup.

Not available

Not available

Stick latency wired (measured, highest average)iHighest average latency among the stored reviewer setups for this connection and input. It is not the maximum individual event or a guaranteed result for every platform. See source notes for each setup.

Not available

7.82ms=CalculatedFrom Measured input latency

Stick latency wireless (measured, highest average)iHighest average latency among the stored reviewer setups for this connection and input. It is not the maximum individual event or a guaranteed result for every platform. See source notes for each setup.

Not available

Not available

Stick latency Bluetooth (measured, highest average)iHighest average latency among the stored reviewer setups for this connection and input. It is not the maximum individual event or a guaranteed result for every platform. See source notes for each setup.

Not available

Not available

Measured stick testsiReviewer measurements for each stick under the connection, input mode, firmware and calibration settings documented in source notes. Inner dead zone reported as absent is stored as zero. Outer dead zones in mm are not converted to percent.

Not available

Not available

Inner dead zone (measured, worst stick)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Circularity error (measured, worst stick)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Measured battery lifeiReviewer-measured runtime under the connection, activity, rumble and lighting settings stated in source notes. Missing setup cells are unknown, not disabled.

Not available

Not available

Full charge time (measured)iReviewer measurement from an empty battery to full. Source notes identify the power source, connection, controller operating state and test method when published. Partial charges and maker claims are excluded.

Not available

Not available

Weight (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Audio

2 of 6 differ

3.5 mm jack

No2Owner's manualdownload.8bitdo.com/Manual/Controller/Ultimate/Ultimate-Mobile-Gaming-Controller-EN.pdfRead 15 October 2026The labelled diagram shows only a Type-C port at the top edge and no 3.5 mm jack.

Yes1Maker product pagegamesir.com/products/gamesir-g8-galileo/buyRead 15 October 2026"Audio 3.5mm Audio Jack".12Reviewtrustedreviews.com/reviews/gamesir-g8-galileoRead 15 October 2026"You also get a 3.5mm headphone jack and a USB-C port on the bottom of device for pass-through phone charging."

Jack works over

Not available

USB (wired)11Maker product pagegamesir.com/pages/tutorial-how-to-use-gamesir-g8-galileoRead 15 October 2026The 3.5 mm jack sits on the controller bridge. The only data connection is the built-in wired Type-C plug, so the jack works over USB wired. The maker does not state this in words.

Speaker

Not available

Not available

Microphone

Not available

Not available

Microphone mute controliDedicated physical button or switch on the controller that mutes a built-in or connected headset microphone. Excludes a normal gameplay button assigned to mute through software.

Not available

Not available

Expansion port

Not available

Not available

Battery and charging

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Battery type

Built-in1Maker product page8bitdo.com/ultimate-mobile-gaming-controllerRead 15 October 2026

None3Maker product pagegamesir.com/pages/tutorial-how-to-use-gamesir-g8-galileoRead 15 October 2026FAQ 4: "No, it's a wired controller, no need for charging and just powered by your phone."

Batteries

Not available

03Maker product pagegamesir.com/pages/tutorial-how-to-use-gamesir-g8-galileoRead 15 October 2026Same FAQ 4 answer.

Batteries included

Yes1Maker product page8bitdo.com/ultimate-mobile-gaming-controllerRead 15 October 2026

No3Maker product pagegamesir.com/pages/tutorial-how-to-use-gamesir-g8-galileoRead 15 October 2026Same FAQ 4 answer.

Battery capacity

300mAh1Maker product page8bitdo.com/ultimate-mobile-gaming-controllerRead 15 October 2026300mAh Li-on battery, rechargeable. The launch coverage by The Verge and KitGuru said 350 mAh and 15 hours. The maker page and the German, Italian, Spanish, French, Japanese and Korean manual panels say 300 mAh and 13 hours. The current maker page is used.

Not available

Battery energy

Not available

Not available

Claimed battery lifeiMaker-claimed runtime. Missing connection, rumble or lighting cells mean that the maker did not state that condition. A plus sign or up-to qualifier is preserved in source notes.

A8BitDo Ultimate Mobile Gaming Controller

Connection	Hours (h)
Bluetooth	13

Source1Maker product page8bitdo.com/ultimate-mobile-gaming-controllerRead 15 October 202613 play hours with 1.5 hours charging time. The English and Chinese manual panels say about 15 hours and 30 minutes. The product page, the other six manual languages, Pocket Tactics (13 hours) and Loot Level Chill (a little over 12 hours measured by feel) agree on about 13 hours, so 13 is stored.

BGameSir G8 Galileo

Not available

Longest claimed battery lifeiLargest numerical runtime figure in the stored maker claims. A 35+ hour claim is a lower-bound figure, not an upper limit. Up-to, approximate and plus qualifiers are preserved in source notes.

13h=CalculatedFrom Claimed battery life

Not available

Charging connectoriConnector used for charging a rechargeable battery. On AA-powered controllers, USB charging requires a compatible rechargeable pack and does not recharge ordinary AA cells.

USB-C2Owner's manualdownload.8bitdo.com/Manual/Controller/Ultimate/Ultimate-Mobile-Gaming-Controller-EN.pdfRead 15 October 2026Diagram labels a Type-C port. Battery section describes charging.

None3Maker product pagegamesir.com/pages/tutorial-how-to-use-gamesir-g8-galileoRead 15 October 2026No battery. The Type-C port on the controller is a pass-through charging port for the phone (maximum input 9V/3A), not a battery charger.

Full charge time (claimed)iMaker-claimed charging time from an empty battery to full. Charger, cable and controller power state are noted when published.

90min1Maker product page8bitdo.com/ultimate-mobile-gaming-controllerRead 15 October 20261.5 hours charging time, stored as 90 minutes. The German, Italian, French, Spanish, Japanese and Korean manual panels say about 90 minutes. The English and Chinese panels say 30 minutes and are not used.

Not available

Charging dock

Not available

Not available

Dock

Not available

Not available

Play while charging

Not available

Not available

Battery indicator

LED2Owner's manualdownload.8bitdo.com/Manual/Controller/Ultimate/Ultimate-Mobile-Gaming-Controller-EN.pdfRead 15 October 2026Battery section: the Power LED blinks red on low battery, blinks green while charging and stays green when full.

Not available

Build

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Shell material

Not available

Not available

Grip texture

Not available

Laser-engraved texture grips5Press releasefunkykit.com/news/gamesir-launches-the-g8-galileo-mobile-gaming-controllerRead 15 October 2026"Laser-Engraved Texture Grips ensure a secure and comfortable hold". The same release also names exclusive impulse triggers through the Android app. No trigger motors are published, see rumble_motor_count.

Swappable grips

Not available

Not available

Swappable faceplate

Not available

Yes2Owner's manualcdn.shopify.com/s/files/1/2241/8433/files/G8_manual.pdfRead 15 October 2026"The faceplates of the GameSir G8 are magnetic and swappable."

User-replaceable parts

Not available

Magnetic faceplates, Thumbstick caps2Owner's manualcdn.shopify.com/s/files/1/2241/8433/files/G8_manual.pdfRead 15 October 2026Interchange Parts section shows the faceplates and the thumbstick caps coming off.

Software

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Companion app

8BitDo Ultimate Software V21Maker product page8bitdo.com/ultimate-mobile-gaming-controllerRead 15 October 2026Support for 8BitDo Ultimate Software V2 on mobile. The V2 Mobile page and the manual name the same app.

GameSir App1Maker product pagegamesir.com/products/gamesir-g8-galileo/buyRead 15 October 2026"Customization Software GameSir App". The page spec table lists the platform as Android only, which is narrower than the maker FAQ.

App platforms

Android, iOS, Windows, macOS3Maker product pageapp.8bitdo.com/Ultimate-Software-V2-MobileRead 15 October 2026The supported device tables for Android and for iOS list Ultimate Mobile Gaming Controller with Button Mapping, Joystick Adjustment and Trigger Adjustment. The desktop Ultimate Software V2 page lists it for Firmware only on Windows 10 and above and macOS 13.0 and above.

Android2Owner's manualcdn.shopify.com/s/files/1/2241/8433/files/G8_manual.pdfRead 15 October 2026"Customization via GameSir App (*Exclusive Android system support)". The maker product page also shows the generic GameSir App on iOS and Google Play. The G8 manual and FAQ say Android only.

User firmware updates

Yes2Owner's manualdownload.8bitdo.com/Manual/Controller/Ultimate/Ultimate-Mobile-Gaming-Controller-EN.pdfRead 15 October 2026The manual says to get the latest firmware from app.8bitdo.com through Ultimate Software V2.4Maker product pageapp.8bitdo.com/Ultimate-Software-V2Read 15 October 2026Supported device table has a Firmware mark for Ultimate Mobile Gaming Controller. The FAQ says to hold LB and RB and connect over USB to be recognised.5Maker product pagesupport.8bitdo.comRead 15 October 2026Support list shows Ultimate Mobile Gaming Controller with Firmware v1.03, an update log (v1.03 fixes issues on some Samsung devices) and a Firmware Updater link.

Yes2Owner's manualcdn.shopify.com/s/files/1/2241/8433/files/G8_manual.pdfRead 15 October 2026GameSir App is used for firmware upgrade.

Dimensions and weight

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Body dimensionsiController body dimensions, excluding packaging and dock. Width is side to side across the front face. Height is top to bottom across the front face. Depth is front-to-back thickness. Maker axes are reordered when needed without changing the published lengths.

Width198Height103Depth53.5mm(7.8 × 4.1 × 2.1 in)1Maker product page8bitdo.com/ultimate-mobile-gaming-controllerRead 15 October 2026Published as 198.0*103.0*53.5mm without axis names. Stored as width, height and depth by the common front-face rule. The maker does not say whether the clamp is retracted or extended.

Width217Height107Depth54mm(8.5 × 4.2 × 2.1 in)1Maker product pagegamesir.com/products/gamesir-g8-galileo/buyRead 15 October 2026Physical Specs cell "252 g / 217*107*54 mm", normalized to front width x front height x thickness. The 217 mm figure is the maker body size and does not state the stretch state.

Weight (claimed)iMaker-published controller weight with its battery. Fitted sticks, paddles or other accessories and any published tolerance are stated in the source notes. Excludes packaging and dock.

236g(8.3 oz)1Maker product page8bitdo.com/ultimate-mobile-gaming-controllerRead 15 October 2026Dimension / Weight row says 236g. The maker does not state a tolerance. The Verge also reports 236 grams.

252g(8.9 oz)1Maker product pagegamesir.com/products/gamesir-g8-galileo/buyRead 15 October 2026Physical Specs cell: 252 g. Gadgetmatch lists 242.9 g in a comparison table. The maker value is kept.

Certifications

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FCC ID

Not available

Not available

Other certifications

Not available

FCC Part 15, CE, 2014/30/EU, 2011/65/EU, (EU) 2015/8632Owner's manualcdn.shopify.com/s/files/1/2241/8433/files/G8_manual.pdfRead 15 October 2026Manual FCC statement: complies with part 15 of the FCC Rules. EU statement: Directive 2014/30/EU and 2011/65/EU and its amendment (EU) 2015/863. Class is not stated.

In the box

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In the box

8BitDo Ultimate Mobile Gaming Controller, USB cable, Instruction manual1Maker product page8bitdo.com/ultimate-mobile-gaming-controllerRead 15 October 2026Includes: controller, USB cable, instruction manual.

Controller, Interchangeable Thumbstick Caps x 3, Card, Sticker, User Manual1Maker product pagegamesir.com/products/gamesir-g8-galileo/buyRead 15 October 2026Box list on the buy page: Controller x1, Interchangeable Thumbstick Caps x3, Card x1, Sticker x1, User Manual x1.2Owner's manualcdn.shopify.com/s/files/1/2241/8433/files/G8_manual.pdfRead 15 October 2026Package contents: GameSir-G8 x1, Small Thumbstick x1, High Thumbstick x1, Round Thumbstick x1, User Manual x1, Thank You & After-sale Service Card x1, GameSir Sticker x1, Certification x1. The buy page list is stored.

Cables included

A8BitDo Ultimate Mobile Gaming Controller

Type	Count
USB cable	1

Source1Maker product page8bitdo.com/ultimate-mobile-gaming-controllerRead 15 October 2026Includes lists one USB cable. Length and connector type are not stated.

BGameSir G8 Galileo

Not available

Carrying case

None1Maker product page8bitdo.com/ultimate-mobile-gaming-controllerRead 15 October 2026The Includes list has no case.

Not available

Warranty

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Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

1year7Maker product pageshop.8bitdo.com/pages/privacy-policyRead 15 October 2026The page titled Warranty Policy on the official US shop gives free maintenance within one year with a dated sales receipt for product quality problems. Applied to the US reference. It is not a statutory term.

1year10Maker product pagegamesir.com/support/faqRead 15 October 2026Maker warranty policy: 12-month replacement with the same model for abnormal function and manufacturing defects. The Australian clause says "1 year warranty from the date of purchase".

Stick drift warranty

Not available

Not available

Links

Not compared

Product page

www.8bitdo.com/ultimate-mobile-gaming-controller1Maker product page8bitdo.com/ultimate-mobile-gaming-controllerRead 15 October 2026

gamesir.com/products/gamesir-g8-galileo1Maker product pagegamesir.com/products/gamesir-g8-galileo/buyRead 15 October 2026Maker product page.

Spec sheet

Not available

Not available

Manual

download.8bitdo.com/Manual/Controller/Ultimate/Ultimate-Mobile-Gaming-Controller-EN.pdf2Owner's manualdownload.8bitdo.com/Manual/Controller/Ultimate/Ultimate-Mobile-Gaming-Controller-EN.pdfRead 15 October 2026Two page multilingual quick guide dated 2026-08 in the PDF metadata. It is a scanned layout with no text layer and was read visually.

cdn.shopify.com/s/files/1/2241/8433/files/G8_manual.pdf2Owner's manualcdn.shopify.com/s/files/1/2241/8433/files/G8_manual.pdfRead 15 October 2026One-page multilingual manual linked from the maker's support manuals page https://gamesir.com/support/manuals/gamesir-g8-galileo. The English column is titled GameSir Galileo, Type-C wired mobile gaming controller. It requires Android 8.0 or above and a Type-C connection.

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

Not available

Not available

Both are also in the API. Back to all controllers.