Controllers / Compare

ASUS ROG Tessen Mobile Controller vs GameSir G8 Galileo

A

Product A: ASUS

ROG Tessen Mobile Controller

51 of 151 known

Change ASUS ROG Tessen Mobile Controller

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B

Product B: GameSir

G8 Galileo

64 of 151 known

Change GameSir G8 Galileo

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All 151 fields

Every value links to where we found it.

Only differences

AASUS ROG Tessen Mobile Controller

BGameSir G8 Galileo

General

3 of 11 differ

Series

Not available

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.

GU200A, 90GC01D0-BGP0003Maker product pagerog.asus.com/tw/controllers/rog-tessen-mobile-controller/specRead 15 October 2026Taiwan spec page gives SKU 90GC01D0-BGP000. The regulatory model GU200A comes from the quick start guide.5Owner's manualcdn.iceshop.nl/objects/mmo_120881070_1717518289_147_2013.pdfRead 15 October 2026Safety page lists the model as GU200A (Korea KC number R-R-MSQ-GU200A).

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

471138716791512Retailer pagecomparateur-gamer.fr/prix/asus-rog-tessen-4711387167915Read 15 October 2026Price comparison page lists EAN 4711387167915 with reference 90GC01D0-BGP000. Other European retailers list the same EAN. A Toronto retailer lists a UPC for North America that is not stored.

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.

Not available

Not available

Status

Available1Maker product pagerog.asus.com/controllers/rog-tessen-mobile-controllerRead 15 October 2026Maker product page is live with a Buy Now link.

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.

$109.9910Reviewtechradar.com/gaming/asus-rog-tessen-reviewRead 15 October 2026Review dated 2024-09-21: "$109.99 / £109.99 / AU$179". A US maker launch price was not found. Tom's Guide also lists $110 on asus.com. US price excludes sales tax.

$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.

€124.97Press releasemynewsdesk.com/se/asus-nordic-ab/pressreleases/nordic-launch-for-asus-rog-tessen-mobile-controller-3333178Read 15 October 2026ASUS Nordic launch release dated 2024-07-10, availability 29 July: "939 DKK, 124,9 Euro, 1490 SEK/NOK". This is the Nordic euro price with local VAT, and the release does not say which country. A German maker price was not found. A smartworld.it review lists 119.99 EUR and a German review 120 EUR UVP.

€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

Not available

Not available

Form factor

Mobile clamp1Maker product pagerog.asus.com/controllers/rog-tessen-mobile-controllerRead 15 October 2026Foldable telescopic bridge that holds the phone in landscape.

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

Offset6Press releaserog.asus.com/ch-en/articles/accessories/the-rog-tessen-puts-you-in-full-control-of-your-mobile-games-on-any-phoneRead 15 October 2026"an asymmetrical layout using console-grade sticks".

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

Xbox5Owner's manualcdn.iceshop.nl/objects/mmo_120881070_1717518289_147_2013.pdfRead 15 October 2026Device features list "Action buttons (A, B, X, Y)", Options, Menu and Home buttons.

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

No5Owner's manualcdn.iceshop.nl/objects/mmo_120881070_1717518289_147_2013.pdfRead 15 October 2026ASUS product, not a platform holder.

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

Compatibility

6 of 9 differ

Platforms

Android2Maker product pagerog.asus.com/controllers/rog-tessen-mobile-controller/specRead 15 October 2026Compatibility: Android.

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

AASUS ROG Tessen Mobile Controller

Platform	Connection
Android	USB (wired)

Source2Maker product pagerog.asus.com/controllers/rog-tessen-mobile-controller/specRead 15 October 2026Connectivity: Wired, I/O port USB-C, Android.

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

Not available

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

Yes1Maker product pagerog.asus.com/controllers/rog-tessen-mobile-controllerRead 15 October 2026"ROG Tessen can support phones with cases, up to a thickness of 7-14.5 mm. Certain cases featuring ring holder or strap design may not be compatible."

Not available

Connectivity

2 of 15 differ

Connections

USB (wired)2Maker product pagerog.asus.com/controllers/rog-tessen-mobile-controller/specRead 15 October 2026Connectivity: Wired.

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

None2Maker product pagerog.asus.com/controllers/rog-tessen-mobile-controller/specRead 15 October 2026Connectivity: Wired only. No receiver or wireless link is listed.

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

USB-C2Maker product pagerog.asus.com/controllers/rog-tessen-mobile-controller/specRead 15 October 2026I/O port: USB-C.

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.

AASUS ROG Tessen Mobile Controller

Connection	Platform	Polling rate (Hz)
USB (wired)	Android	500

Source1Maker product pagerog.asus.com/controllers/rog-tessen-mobile-controllerRead 15 October 2026"500 Hz polling rate inputs via wired USB Type-C".

BGameSir G8 Galileo

Not available

Polling rate wired

500Hz=CalculatedFrom Claimed polling rate by connection

Not available

Polling rate wireless

Not available

Not available

Polling rate Bluetooth

Not available

Not available

Sticks

8 of 15 differ

Stick sensor

Not available

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.

ALPS joystick6Press releaserog.asus.com/ch-en/articles/accessories/the-rog-tessen-puts-you-in-full-control-of-your-mobile-games-on-any-phoneRead 15 October 2026"the Tessen's 18mm ALPS joysticks allow for 22° angled movement". The sensor type is not stated. TechRadar says the sticks do not use Hall effect and a smartworld.it review calls them conventional, so stick_technology is left out.

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.

Not available

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

22°1Maker product pagerog.asus.com/controllers/rog-tessen-mobile-controllerRead 15 October 2026"22° range of movement". The page does not say whether the angle is measured from the centre or across the full sweep. Stored as published.

Not available

Stick gate

Not available

Not available

Stick click (L3/R3)

Yes5Owner's manualcdn.iceshop.nl/objects/mmo_120881070_1717518289_147_2013.pdfRead 15 October 2026"Clickable left/right analog stick".

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

4 of 10 differ

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

Analog, sensor not stated6Press releaserog.asus.com/ch-en/articles/accessories/the-rog-tessen-puts-you-in-full-control-of-your-mobile-games-on-any-phoneRead 15 October 2026"the Tessen's analog triggers". No sensor is named.

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

Not available

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

7 of 17 differ

Face button switches

Other1Maker product pagerog.asus.com/controllers/rog-tessen-mobile-controllerRead 15 October 2026"Special metal dome mechanical switches for the face buttons and D-pad". Metal dome fits none of the schema options, so Other is stored.

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.

Metal dome mechanical switch1Maker product pagerog.asus.com/controllers/rog-tessen-mobile-controllerRead 15 October 2026Maker wording: metal dome mechanical switches.

Not available

Swappable face buttons

Not available

Not available

Bumper switches

Not available

Not available

D-pad

Cross5Owner's manualcdn.iceshop.nl/objects/mmo_120881070_1717518289_147_2013.pdfRead 15 October 2026Device features drawing shows a plus-shaped Directional Pad (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

Other1Maker product pagerog.asus.com/controllers/rog-tessen-mobile-controllerRead 15 October 2026Same metal dome mechanical switches as the face buttons. Stored as Other.

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 pagerog.asus.com/controllers/rog-tessen-mobile-controllerRead 15 October 2026Two aluminum rear paddles.5Owner's manualcdn.iceshop.nl/objects/mmo_120881070_1717518289_147_2013.pdfRead 15 October 2026"M1 / M2 rear paddles".

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 pagerog.asus.com/controllers/rog-tessen-mobile-controllerRead 15 October 2026"Aluminum rear paddles".

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.

Yes11Reviewsmartworld.it/recensioni/asus-rog-tessen-mobile-controllerRead 15 October 2026Review: the two metal paddles M1 and M2 can be removed with a screwdriver.

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.

Not available

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 pagerog.asus.com/controllers/rog-tessen-mobile-controllerRead 15 October 2026Two paddles programmed on the fly or in Armoury Crate. The ROG button is a system button and is not counted.

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.

Yes1Maker product pagerog.asus.com/controllers/rog-tessen-mobile-controllerRead 15 October 2026Paddles are "programmable on the fly" with the ROG button, no app needed.5Owner's manualcdn.iceshop.nl/objects/mmo_120881070_1717518289_147_2013.pdfRead 15 October 2026Press the ROG button and one rear paddle (M1/M2), wait for the LED to flash blue, then press the button to assign within 10 seconds.

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.

Not available

Not available

Turbo

Not available

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

Not available

Not available

Share or capture button

Not available

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

Feedback

0 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

011Reviewsmartworld.it/recensioni/asus-rog-tessen-mobile-controllerRead 15 October 2026Review: "Non c'è vibrazione" (there is no vibration).

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

011Reviewsmartworld.it/recensioni/asus-rog-tessen-mobile-controllerRead 15 October 2026Same review statement: no vibration at all.

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

No13Retailer pageshop.inception.co.uk/asus-rog-tessen-black-grey-usb-3-2-gen-1-3-1-gen-1-gamepad-analogue-digital-android-90gc01d0-bgp000.htmlRead 15 October 2026Retailer spec list: Input device, built-in touchpad: No.

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

No13Retailer pageshop.inception.co.uk/asus-rog-tessen-black-grey-usb-3-2-gen-1-3-1-gen-1-gamepad-analogue-digital-android-90gc01d0-bgp000.htmlRead 15 October 2026Retailer spec list: Built-in display: No.

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

Light bar

Not available

Not available

RGB lighting

Yes1Maker product pagerog.asus.com/controllers/rog-tessen-mobile-controllerRead 15 October 2026"Aura RGB lighting" with up to seven preset effects.

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.

AASUS ROG Tessen Mobile 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

No5Owner's manualcdn.iceshop.nl/objects/mmo_120881070_1717518289_147_2013.pdfRead 15 October 2026The device features list shows 15 numbered parts and none is an audio jack. The maker spec page lists USB-C as the only I/O port.

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

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Expansion port

Not available

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Battery and charging

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Battery type

None5Owner's manualcdn.iceshop.nl/objects/mmo_120881070_1717518289_147_2013.pdfRead 15 October 2026"The controller does not contain a battery. It can be powered by the phone, or by the charging port when the phone is charging."

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

05Owner's manualcdn.iceshop.nl/objects/mmo_120881070_1717518289_147_2013.pdfRead 15 October 2026Same quick start guide note: no battery.

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

Batteries included

No5Owner's manualcdn.iceshop.nl/objects/mmo_120881070_1717518289_147_2013.pdfRead 15 October 2026Same quick start guide note: no battery.

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

Battery capacity

Not available

Not available

Battery energy

Not available

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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.

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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.

Not available

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.

None5Owner's manualcdn.iceshop.nl/objects/mmo_120881070_1717518289_147_2013.pdfRead 15 October 2026No battery. The USB-C port is an 18 W pass-through port that charges the phone, not a battery.

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.

Not available

Not available

Charging dock

Not available

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Dock

Not available

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Play while charging

Not available

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Battery indicator

Not available

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Build

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Shell material

Not available

Not available

Grip texture

Raised micro-triangle texture on the rear surface8Press releasefunkykit.com/news/asus-republic-of-gamers-announces-rog-tessen-mobile-controllerRead 15 October 2026"the rear surface features raised, micro triangle textured markings to improve grip".

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

Rubber support pads5Owner's manualcdn.iceshop.nl/objects/mmo_120881070_1717518289_147_2013.pdfRead 15 October 2026The user selects and installs the rubber support pads (L-1 to L-4 left pads and a right pad).

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

Armoury Crate1Maker product pagerog.asus.com/controllers/rog-tessen-mobile-controllerRead 15 October 2026Armoury Crate 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

Android5Owner's manualcdn.iceshop.nl/objects/mmo_120881070_1717518289_147_2013.pdfRead 15 October 2026Armoury Crate is offered on Google Play, with an APK for China. The maker spec lists Android as the only platform.14Maker product pageasus.com/support/FAQ/1053809Read 15 October 2026ASUS support FAQ Armoury Crate Mobile App: Compatible Devices lists Mobile Controller: ROG TESSEN (Android only).

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

Not available

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.

Width191.5Height92Depth40mm(7.5 × 3.6 × 1.6 in)2Maker product pagerog.asus.com/controllers/rog-tessen-mobile-controller/specRead 15 October 2026"191.5 x 92 x 40 mm (When folded: 94 x 92 x 85 mm)". The press release labels the open size W x L x H. Stored as front width x front height x thickness for the open controller.

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.

136g(4.8 oz)2Maker product pagerog.asus.com/controllers/rog-tessen-mobile-controller/specRead 15 October 2026Weight: 136 g.

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

FCC Part 15 Class B, CE, UKCA, CAN ICES-003(B)/NMB-003(B), KC5Owner's manualcdn.iceshop.nl/objects/mmo_120881070_1717518289_147_2013.pdfRead 15 October 2026Safety page: FCC Part 15 with a Class B digital device statement, CE mark warning, UKCA, ISED CAN ICES-003(B)/NMB-003(B), KC Korea.

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

ROG Tessen, Rubber support pads, Reusable controller stand, Quick start guide, Warranty card2Maker product pagerog.asus.com/controllers/rog-tessen-mobile-controller/specRead 15 October 2026Contents row: ROG Tessen, rubber support pads, reusable controller stand, quick start guide, warranty card.

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

Not available

Not available

Carrying case

Not available

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.

Not available

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

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Product page

rog.asus.com/controllers/rog-tessen-mobile-controller1Maker product pagerog.asus.com/controllers/rog-tessen-mobile-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

rog.asus.com/controllers/rog-tessen-mobile-controller/spec2Maker product pagerog.asus.com/controllers/rog-tessen-mobile-controller/specRead 15 October 2026

Not available

Manual

rog.asus.com/controllers/rog-tessen-mobile-controller/helpdesk_manual4Maker product pagerog.asus.com/controllers/rog-tessen-mobile-controller/helpdesk_manualRead 15 October 2026Maker support page for the product. Its document list loads by script. The Quick Start Guide E22982 was read from a retailer-hosted copy, see the guide entry below.

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.