Head to head

ASUS Zenfone 11 Ultra vs Samsung Galaxy Z Flip 6

ASUS Zenfone 11 Ultra leads 9 to 4 on the 13 rankable specs and costs $200 less, which makes it the straightforward pick.

Catalog as of September 1, 2026

Why, in numbers

Weight: ASUS Zenfone 11 Ultra lists 224 g (ASUS sheet, 2026-09-02); Samsung Galaxy Z Flip 6 lists 187 g (6.6 oz) (Samsung sheet, 2026-09-02).
Size: ASUS Zenfone 11 Ultra lists 6.78 inches (ASUS sheet, 2026-09-02); Samsung Galaxy Z Flip 6 lists 6.7 inches inner / 3.4 inches cover (Samsung sheet, 2026-09-02).
Chipset: ASUS Zenfone 11 Ultra lists Snapdragon 8 Gen 3 (4 nm) (ASUS sheet, 2026-09-02); Samsung Galaxy Z Flip 6 lists Snapdragon 8 Gen 3 for Galaxy (4 nm) (Samsung sheet, 2026-09-02).
RAM: ASUS Zenfone 11 Ultra lists 16 GB LPDDR5X (ASUS sheet, 2026-09-02); Samsung Galaxy Z Flip 6 lists 12GB (Samsung sheet, 2026-09-02).
Max optical zoom: ASUS Zenfone 11 Ultra lists 3x optical (30x digital HyperClarity zoom) (ASUS sheet, 2026-09-02); Samsung Galaxy Z Flip 6 lists 2x in-sensor zoom (10x digital) (Samsung sheet, 2026-09-02).

Manufacturer list price, not a live offer. Confirm current pricing before you buy.

Buying for

Every rankable spec counts once. Pick a lens to score only what matters for your phone.

Your devices

Select your ecosystem to flag non-functional features or platform lock-in.

Straight answer

Overall: 9 to 4

Buy the ASUS Zenfone 11 Ultra.

Leads 9 of 13 rankable overall specs; Samsung Galaxy Z Flip 6 takes 4.
Size: 6.78 inches vs 6.7 inches inner / 3.4 inches cover
RAM: 16 GB LPDDR5X vs 12GB
It is also $200 cheaper.

Check first: the ASUS Zenfone 11 Ultra has under 5 years of OS updates. Tick them under deal-breakers if that rules it out.

9 ASUS Zenfone 11 Ultra13 rankable of 48 specsSamsung Galaxy Z Flip 6 4

Deal-breakers

tick what would make you walk away

No stylusrow
No pen input for handwritten notes or markup.
Trips:ASUS Zenfone 11 Ultra · NoTrips:Samsung Galaxy Z Flip 6 · No
No headphone jackrow
Wired headphones need a USB-C dongle.
Clear:ASUS Zenfone 11 Ultra · Yes (3.5 mm Hi-Res audio output)Trips:Samsung Galaxy Z Flip 6 · No
No charger in the boxrow
Budget another $20 to $40 for a fast charger.
Trips:ASUS Zenfone 11 Ultra · NoTrips:Samsung Galaxy Z Flip 6 · No
Under 5 years of OS updatesrow
Security patches stop sooner and resale value falls faster.
Trips:ASUS Zenfone 11 Ultra · 2 major OS updates + 4 years security p…Clear:Samsung Galaxy Z Flip 6 · 7 years of OS and security upgrades
Not IP68row
Less dust and water protection than an IP68 rival.
Clear:ASUS Zenfone 11 Ultra · IP68 (1.5 m / 30 min)Trips:Samsung Galaxy Z Flip 6 · IP48 water & particle resistant
No microSD slotrow
Storage is fixed at what you buy.
Trips:ASUS Zenfone 11 Ultra · NoTrips:Samsung Galaxy Z Flip 6 · No

At a glance

The handful of numbers that decide most purchases in this category.

6 of 6 differ

Weight

ASUS

224 g

Samsung

187 g (6.6 oz)

Size

ASUS

6.78 inches

Samsung

6.7 inches inner / 3.4 inches cover

Chipset≠

ASUS

Snapdragon 8 Gen 3 (4 nm)

Samsung

Snapdragon 8 Gen 3 for Galaxy (4 nm)

RAM

ASUS

16 GB LPDDR5X

Samsung

12GB

Max optical zoom

ASUS

3x optical (30x digital HyperClarity zoom)

Samsung

2x in-sensor zoom (10x digital)

Capacity

ASUS

5,500 mAh

Samsung

4,000 mAh

The 90-Day Owner Regret Check

Documented ergonomic quirks, hardware annoyances, and maintenance realities reported by real owners.

Post-Purchase Truths

ASUS: What to watch for

Hidden Cost
No wall charging adapter included in the retail box.
Packaging contains only a Type-C cable; high-speed wall charging bricks must be purchased separately if you do not already own one.

Samsung: What to watch for

Hidden Cost
No wall charging adapter included in the retail box.
Packaging contains only a Type-C cable; high-speed wall charging bricks must be purchased separately if you do not already own one.

ASUS Zenfone 11 Ultra$8999 wins

Samsung Galaxy Z Flip 6$1,0994 wins

Body Display Platform Memory Rear camera Front camera Battery & charging Audio Connectivity Features

43 of 48 attributes differ. Identical rows are dimmed.

Body

leads 1-0

Body specifications. Middle column is ASUS Zenfone 11 Ultra, right column is Samsung Galaxy Z Flip 6.
Dimensions	163.8 × 76.8 × 8.9 mm	Unfolded: 165.1 × 71.9 × 6.9 mm / Folded: 85.1 × 71.9 × 14.9 mm
Weight	224 g	187 g (6.6 oz) (wins this row: lower)
Build	Gorilla Glass Victus 2 front, matte glass back, aluminum frame	Armor Aluminum frame, Gorilla Glass Victus 2, plastic inner screen
Water / dust rating	IP68 (1.5 m / 30 min)	IP48 water & particle resistant
Colors	Skyline Blue, Eternal Black, Misty Grey, Desert Sand	Silver Shadow, Yellow, Blue, Mint, Crafted Black
Stylus	No	No

Display

leads 3-1

Display specifications. Middle column is ASUS Zenfone 11 Ultra, right column is Samsung Galaxy Z Flip 6.
Type	LTPO AMOLED, 144Hz for gaming	Dynamic LTPO AMOLED 2X inner / Super AMOLED cover
Size	6.78 inches (wins this row: higher)	6.7 inches inner / 3.4 inches cover
Resolution	1080 × 2400 (FHD+)	2640 × 1080 inner / 720 × 748 cover (wins this row: higher)
Pixel density	~388 ppi	426 ppi inner / 306 ppi cover (wins this row: higher)
Refresh rate	1–120 Hz LTPO (up to 144 Hz in Game Genie)	120 Hz inner (1–120Hz) / 60 Hz cover
Peak brightness	2,500 nits peak / 1,600 nits HBM	2,600 nits inner / 1,600 nits cover (wins this row: higher)
HDR	HDR10	HDR10+
Protection	Corning Gorilla Glass Victus 2	Gorilla Glass Victus 2 (outer) / UTG (inner)
Always-on display	Yes	Yes

Platform

5 differences

Platform specifications. Middle column is ASUS Zenfone 11 Ultra, right column is Samsung Galaxy Z Flip 6.
Operating system	Android 14 with ZenUI	Android 14 (One UI 6.1.1)
Software support	2 major OS updates + 4 years security patches	7 years of OS and security upgrades
Chipset	Snapdragon 8 Gen 3 (4 nm)	Snapdragon 8 Gen 3 for Galaxy (4 nm)
CPU	8-core (1× Cortex-X4 + 5× A720 + 2× A520)	8-core (1× 3.39GHz Cortex-X4 + 5× Cortex-A720 + 2× Cortex-A520)
GPU	Adreno 750	Adreno 750 (1 GHz)

Memory

leads 2-0

Memory specifications. Middle column is ASUS Zenfone 11 Ultra, right column is Samsung Galaxy Z Flip 6.
RAM	16 GB LPDDR5X (wins this row: higher)	12GB
Storage	512 GB UFS 4.0 (wins this row: higher)	256 GB
Storage options	256 GB / 512 GB	256 GB / 512 GB
microSD	No	No

Rear camera

leads 2-0

Rear camera specifications. Middle column is ASUS Zenfone 11 Ultra, right column is Samsung Galaxy Z Flip 6.
Main	50 MP Sony IMX890, f/1.9, 24 mm, 6-Axis Gimbal OIS 3.0	50 MP, f/1.8, 23 mm, dual pixel PDAF, OIS
Ultrawide	13 MP, f/2.2, 120° free-form lens (wins this row: higher)	12 MP, f/2.2, 123° FOV
Telephoto	32 MP, f/2.4, 3x optical zoom, OIS	No dedicated telephoto (2x in-sensor crop)
Max optical zoom	3x optical (30x digital HyperClarity zoom) (wins this row: higher)	2x in-sensor zoom (10x digital)
Stabilization	6-Axis Gimbal OIS on main + OIS on telephoto	Yes (OIS on main camera)
Video	8K 24 fps, 4K 30/60 fps with Gimbal Stabilization	4K 30/60 fps, 1080p 60/120/240 fps, HDR10+

Front camera

leads 1-0

Front camera specifications. Middle column is ASUS Zenfone 11 Ultra, right column is Samsung Galaxy Z Flip 6.
Selfie camera	32 MP RGBW sensor, f/2.5 (wins this row: higher)	10 MP inner selfie, f/2.2, 23 mm
Selfie video	1080p 30 fps	4K 30/60 fps

Battery & charging

leads 2-0

Battery & charging specifications. Middle column is ASUS Zenfone 11 Ultra, right column is Samsung Galaxy Z Flip 6.
Capacity	5,500 mAh (wins this row: higher)	4,000 mAh
Wired chargingNot on the official sheet	65 W HyperCharge (100% in 39 min) (wins this row: higher)	25 W wired fast charging
Wireless charging	15 W Qi wireless	15 W Fast Wireless Charging 2.0
Reverse wireless	10 W reverse wired	4.5 W Wireless PowerShare
Charger in box	No	No

Audio

leads 1-0

Audio specifications. Middle column is ASUS Zenfone 11 Ultra, right column is Samsung Galaxy Z Flip 6.
Speakers	Dual stereo speakers with Dirac Virtuo audio	Stereo speakers tuned by AKG
Headphone jack	Yes (3.5 mm Hi-Res audio output) (wins this row: has it)	No

Connectivity

6 differences

Connectivity specifications. Middle column is ASUS Zenfone 11 Ultra, right column is Samsung Galaxy Z Flip 6.
Cellular	5G (sub-6)	5G (sub-6 + mmWave, region-dependent)
Wi-Fi	Wi-Fi 7	Wi-Fi 6E
Bluetooth	Bluetooth 5.4 with aptX Lossless	Bluetooth 5.3
NFC	Yes	Yes (Samsung Pay / Google Wallet)
USB	USB-C 2.0 (side display/charging)	USB-C 3.2 Gen 1
SIM	Dual nano-SIM	Nano-SIM and eSIM

Features

3 differences

Features specifications. Middle column is ASUS Zenfone 11 Ultra, right column is Samsung Galaxy Z Flip 6.
Biometrics	In-display fingerprint sensor + Face unlock	Side-mounted fingerprint scanner, 2D face recognition
Extra controls	Game Genie gaming overlay toolbar	FlexMode half-fold camera & app controls
Standout features	6-Axis Hybrid Gimbal 3.0, 3.5mm jack, AI Call Translator, AI Transcript	Galaxy AI (Live Translate, Interpreter, Photo Assist, Circle to Search), FlexWindow widgets

Most rows are from the official spec sheet. Marked rows are other published figures or our summary, not lab tests we ran.

ASUS Zenfone 11 Ultra source Samsung Galaxy Z Flip 6 source

Which one should you buy

Pick this one if

ASUS Zenfone 11 Ultra

Large-screen flagship with 6-Axis Hybrid Gimbal Stabilizer 3.0, 3.5mm audio jack, and 5500mAh battery.

Built-in 3.5mm headphone jack with Hi-Res Audio certification
6-Axis Hybrid Gimbal Stabilizer 3.0 for silky video recording
Massive 5,500 mAh battery with 65W HyperCharge

What you give up

Software support limited to 2 OS updates and 4 years security
Telephoto camera performance trails Samsung/Apple in low light

Full ASUS Zenfone 11 Ultra specs →

Pick this one if

Samsung Galaxy Z Flip 6

Pocketable clamshell foldable phone with 3.4-inch outer screen, 50MP camera, and Galaxy AI.

Compact folding design with useful 3.4-inch FlexWindow outer display
Upgraded 50MP main sensor and Snapdragon 8 Gen 3 for Galaxy
7 years of Android OS and security upgrades

What you give up

Display crease is visible and felt along the fold
No dedicated telephoto lens (2x crop zoom only)

Full Samsung Galaxy Z Flip 6 specs →

Best for each use

Photos

Camera first: zoom reach, sensors, stabilisation and video

For photos, buy the ASUS Zenfone 11 Ultra.

Leads 3 of 3 rankable photos specs.
Max optical zoom: 3x optical vs 2x in-sensor zoom
Ultrawide: 13 MP, f/2.2, 120° free-form lens vs 12 MP, f/2.2, 123° FOV
It is also $200 cheaper.

Battery & updates

All-day battery, fast top-ups and years of software support

For battery & updates, buy the ASUS Zenfone 11 Ultra.

Leads 2 of 2 rankable battery & updates specs.
Capacity: 5,500 mAh vs 4,000 mAh
Wired charging: 65 W HyperCharge vs 25 W wired fast charging
It is also $200 cheaper.

Games & video

Games and streaming: chip, refresh rate, brightness, speakers

For games & video, buy the ASUS Zenfone 11 Ultra.

Leads 2 of 3 rankable games & video specs; Samsung Galaxy Z Flip 6 takes 1.
RAM: 16 GB LPDDR5X vs 12GB
Size: 6.78 inches vs 6.7 inches inner / 3.4 inches cover
It is also $200 cheaper.

Every answer above is scored from published figures. A lens uses only the rows that matter for that use, including marked rows that are not on the official sheet. Switch lenses interactively in the panel above.

Done deciding?

Open the full standalone spec sheet for either device.

ASUS Zenfone 11 Ultra spec sheet Samsung Galaxy Z Flip 6 spec sheet

Manufacturer pages: ASUS Zenfone 11 Ultra ↗ · Samsung Galaxy Z Flip 6 ↗

Common questions

Which is cheaper, the ASUS Zenfone 11 Ultra or the Samsung Galaxy Z Flip 6?

ASUS Zenfone 11 Ultra costs $200 less at list price.

What is the biggest catch with the ASUS Zenfone 11 Ultra or Samsung Galaxy Z Flip 6?

Both has this deal-breaker: no stylus. No pen input for handwritten notes or markup.

Which is better for photos, the ASUS Zenfone 11 Ultra or the Samsung Galaxy Z Flip 6?

For photos, buy the ASUS Zenfone 11 Ultra. Leads 3 of 3 rankable photos specs. Max optical zoom: 3x optical vs 2x in-sensor zoom

What cannot be compared from spec sheets?

Of the 48 specs tracked here, 35 are descriptive and cannot be ranked on numbers alone. Spec sheets also cannot measure subjective factors like build quality, real-world performance, or comfort.

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