Head to head

Xiaomi 14 Ultra vs OnePlus Open

Xiaomi 14 Ultra leads 9 to 3 on the 12 rankable specs and costs $300 less, which makes it the straightforward pick.

Catalog as of September 1, 2026

Why, in numbers

Weight: Xiaomi 14 Ultra lists 219.8 g (Xiaomi sheet, 2026-09-02); OnePlus Open lists 239 g (8.43 oz) (OnePlus sheet, 2026-09-02).
Size: Xiaomi 14 Ultra lists 6.73 inches (Xiaomi sheet, 2026-09-02); OnePlus Open lists 7.82 inches unfolded (6.31 inches folded) (OnePlus sheet, 2026-09-02).
Chipset: Xiaomi 14 Ultra lists Snapdragon 8 Gen 3 (4 nm) (Xiaomi sheet, 2026-09-02); OnePlus Open lists Qualcomm Snapdragon 8 Gen 2 (4 nm) (OnePlus sheet, 2026-09-02).
Max optical zoom: Xiaomi 14 Ultra lists 5x optical (up to 120x digital) (Xiaomi sheet, 2026-09-02); OnePlus Open lists 3x optical zoom (6x in-sensor zoom) (OnePlus sheet, 2026-09-02).
Capacity: Xiaomi 14 Ultra lists 5,000 mAh (5,300 mAh CN model) (Xiaomi sheet, 2026-09-02); OnePlus Open lists 4,805 mAh (OnePlus 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 3

Buy the Xiaomi 14 Ultra.

Leads 9 of 12 rankable overall specs; OnePlus Open takes 3.
Weight: 219.8 g vs 239 g
Max optical zoom: 5x optical vs 3x optical zoom
It is also $300 cheaper.

9 Xiaomi 14 Ultra12 rankable of 48 specsOnePlus Open 3

Deal-breakers

tick what would make you walk away

No stylusrow
No pen input for handwritten notes or markup.
Trips:Xiaomi 14 Ultra · NoTrips:OnePlus Open · No
No headphone jackrow
Wired headphones need a USB-C dongle.
Trips:Xiaomi 14 Ultra · NoTrips:OnePlus Open · No
Under 5 years of OS updatesrow
Security patches stop sooner and resale value falls faster.
Trips:Xiaomi 14 Ultra · 4 major Android OS updates + 5 years se…Trips:OnePlus Open · 4 major Android OS updates & 5 years se…
Not IP68row
Less dust and water protection than an IP68 rival.
Clear:Xiaomi 14 Ultra · IP68 (1.5 m / 30 min)Trips:OnePlus Open · IPX4 splash resistant
No microSD slotrow
Storage is fixed at what you buy.
Trips:Xiaomi 14 Ultra · NoTrips:OnePlus Open · No

At a glance

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

5 of 6 differ

Weight

Xiaomi

219.8 g

OnePlus

239 g (8.43 oz)

Size

Xiaomi

6.73 inches

OnePlus

7.82 inches unfolded (6.31 inches folded)

Chipset≠

Xiaomi

Snapdragon 8 Gen 3 (4 nm)

OnePlus

Qualcomm Snapdragon 8 Gen 2 (4 nm)

RAMsame

Xiaomi

16 GB LPDDR5X

OnePlus

16 GB LPDDR5X

Max optical zoom

Xiaomi

5x optical (up to 120x digital)

OnePlus

3x optical zoom (6x in-sensor zoom)

Capacity

Xiaomi

5,000 mAh (5,300 mAh CN model)

OnePlus

4,805 mAh

The 90-Day Owner Regret Check

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

Post-Purchase Truths

Xiaomi: 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.

OnePlus: 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.

Xiaomi 14 Ultra$1,3999 wins

OnePlus Open$1,6993 wins

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

40 of 48 attributes differ. Identical rows are dimmed.

Body

leads 1-0

Body specifications. Middle column is Xiaomi 14 Ultra, right column is OnePlus Open.
Dimensions	161.4 × 75.3 × 9.2 mm	Unfolded: 153.4 × 143.1 × 5.8 mm / Folded: 153.4 × 73.3 × 11.7 mm
Weight	219.8 g (wins this row: lower)	239 g (8.43 oz)
Build	Xiaomi Shield Glass front, vegan leather back, aluminum frame	Aerospace-grade titanium alloy, carbon fiber hinge, glass or vegan leather back
Water / dust rating	IP68 (1.5 m / 30 min)	IPX4 splash resistant
Colors	Black, White	Emerald Dusk, Voyager Black
Stylus	No	No

Display

7 differences

Display specifications. Middle column is Xiaomi 14 Ultra, right column is OnePlus Open.
Type	LTPO AMOLED, 68B colors	Main: 7.82" Flexi-fluid LTPO3 AMOLED / Cover: 6.31" LTPO3 Super Fluid AMOLED
Size	6.73 inches	7.82 inches unfolded (6.31 inches folded) (wins this row: higher)
Resolution	1440 × 3200 (WQHD+)	Main: 2440 × 2268 (426 ppi) / Cover: 2484 × 1116 (431 ppi) (wins this row: higher)
Pixel density	~522 ppi (wins this row: higher)	426 ppi main / 431 ppi cover
Refresh rate	1–120 Hz dynamic	120 Hz (1–120Hz dynamic LTPO3 on both displays)
Peak brightness	3,000 nits peak (wins this row: higher)	2,800 nits peak on both displays / 1,400 nits HBM
HDR	Dolby Vision, HDR10+, HLG	Dolby Vision, HDR10+, HLG
Protection	Xiaomi Shield Glass	Ultra Thin Glass (main) / Ceramic Guard (cover)
Always-on display	Yes	Yes

Platform

5 differences

Platform specifications. Middle column is Xiaomi 14 Ultra, right column is OnePlus Open.
Operating system	HyperOS based on Android 14	OxygenOS 14 (Android 14)
Software support	4 major Android OS updates + 5 years security	4 major Android OS updates & 5 years security patches
Chipset	Snapdragon 8 Gen 3 (4 nm)	Qualcomm Snapdragon 8 Gen 2 (4 nm)
CPU	8-core (1× Cortex-X4 + 5× A720 + 2× A520)	8-core (1× Cortex-X3 + 4× Cortex-A715/A710 + 3× Cortex-A510)
GPU	Adreno 750	Adreno 740

Memory

1 differences

Memory specifications. Middle column is Xiaomi 14 Ultra, right column is OnePlus Open.
RAM	16 GB LPDDR5X	16 GB LPDDR5X
Storage	512 GB UFS 4.0	512 GB UFS 4.0
Storage options	512 GB / 1 TB	512 GB
microSD	No	No

Rear camera

leads 3-1

Rear camera specifications. Middle column is Xiaomi 14 Ultra, right column is OnePlus Open.
Main	50 MP 1-inch Sony LYT-900, f/1.63–f/4.0 variable aperture, 23 mm, OIS (wins this row: higher)	48 MP Sony LYT-T808 (f/1.7, 24mm, 1/1.43", OIS)
Ultrawide	50 MP Leica, f/1.8, 12 mm, 122° FOV (wins this row: higher)	48 MP (f/2.2, 14mm, 114° FOV, 3.5cm macro)
Telephoto	50 MP 3.2x optical (75 mm, f/1.8, OIS) + 50 MP 5x periscope (120 mm, f/2.5, OIS)	64 MP OmniVision periscope (f/2.6, 70mm, 3x optical, 6x in-sensor, OIS) (wins this row: higher)
Max optical zoom	5x optical (up to 120x digital) (wins this row: higher)	3x optical zoom (6x in-sensor zoom)
Stabilization	OIS on main and both telephoto cameras	OIS on main camera and 3x periscope telephoto
Video	8K 24/30 fps, 4K 24/30/60/120 fps, 10-bit Log, Dolby Vision	4K at 30/60 fps, Dolby Vision HDR at 4K 30fps

Front camera

leads 1-0

Front camera specifications. Middle column is Xiaomi 14 Ultra, right column is OnePlus Open.
Selfie camera	32 MP, f/2.0, 22 mm (wins this row: higher)	Inner: 20 MP / Cover: 32 MP (both 4K video capable)
Selfie video	4K 60 fps	4K at 30 fps (cover and inner cameras)

Battery & charging

leads 2-0

Battery & charging specifications. Middle column is Xiaomi 14 Ultra, right column is OnePlus Open.
Capacity	5,000 mAh (5,300 mAh CN model) (wins this row: higher)	4,805 mAh
Wired chargingNot on the official sheet	90 W HyperCharge (100% in ~33 min) (wins this row: higher)	67W SUPERVOOC fast charging (1–100% in ~42 mins)
Wireless charging	80 W wireless HyperCharge (100% in ~46 min)	No
Reverse wireless	10 W reverse wireless	No
Charger in box	Yes (90W adapter in box)	Yes (67W SUPERVOOC Power Adapter included in US)

Audio

1 differences

Audio specifications. Middle column is Xiaomi 14 Ultra, right column is OnePlus Open.
Speakers	Stereo speakers with Dolby Atmos and Hi-Res Audio	Spatial Audio triple Reality speakers with Dolby Atmos
Headphone jack	No	No

Connectivity

5 differences

Connectivity specifications. Middle column is Xiaomi 14 Ultra, right column is OnePlus Open.
Cellular	5G (sub-6)	5G (sub-6 GHz)
Wi-Fi	Wi-Fi 7	Wi-Fi 7 (802.11be ready)
Bluetooth	Bluetooth 5.4	Bluetooth 5.3
NFC	Yes	Yes
USB	USB-C 3.2 Gen 2 (10 Gbps)	USB-C 3.1 Gen 1 (DisplayPort video out)
SIM	Dual nano-SIM	Dual Nano-SIM (or 1 SIM + eSIM)

Features

3 differences

Features specifications. Middle column is Xiaomi 14 Ultra, right column is OnePlus Open.
Biometrics	Optical in-display fingerprint + AI Face Unlock	Side-mounted capacitive fingerprint sensor + Face Unlock
Extra controls	Optional Leica Photography Kit with physical shutter button	Alert Slider (Ring/Vibrate/Silent)
Standout features	Leica Summilux lenses, 1-inch sensor, Stepless variable aperture	Open Canvas split-screen multitasking, Hasselblad Color Calibration, Alert Slider, 67W fast charging

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

Xiaomi 14 Ultra source OnePlus Open source

Which one should you buy

Pick this one if

Xiaomi 14 Ultra

Grey import in the US; official in other regions. Photography juggernaut with 1-inch LYT-900 sensor, stepless variable aperture, and quad Leica camera array.

Quad 50MP Leica cameras with 1-inch stepless variable aperture
Exceptional manual photography and 8K log video controls
Bright C8 AMOLED display with 90W fast charging

What you give up

Bulky camera bump affects flat tabletop resting
HyperOS software has more bloatware than stock Android

Full Xiaomi 14 Ultra specs →

Pick this one if

OnePlus Open

Flagship book-style foldable featuring dual 120Hz LTPO 3.0 displays, Hasselblad camera system, and Open Canvas multitasking.

Best-in-class Open Canvas multitasking software
Near-invisible crease and lightweight thin foldable design
High-tier Hasselblad triple camera array with 3x periscope

What you give up

No wireless charging support
IPX4 water resistance rating is splash-only

Full OnePlus Open specs →

Best for each use

Photos

Camera first: zoom reach, sensors, stabilisation and video

For photos, buy the Xiaomi 14 Ultra.

Leads 4 of 5 rankable photos specs; OnePlus Open takes 1.
Max optical zoom: 5x optical vs 3x optical zoom
Main: 50 MP 1-inch Sony LYT-900, f/1.63–f/4.0… vs 48 MP Sony LYT-T808
It is also $300 cheaper.

Battery & updates

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

For battery & updates, buy the Xiaomi 14 Ultra.

Leads 2 of 2 rankable battery & updates specs.
Capacity: 5,000 mAh vs 4,805 mAh
Wired charging: 90 W HyperCharge vs 67W SUPERVOOC fast charging
It is also $300 cheaper.

Games & video

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

Tied on games & video. Xiaomi 14 Ultra is cheaper.

The 2 rankable games & video specs split 1 to 1.
Saves $300 at list price.

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.

Xiaomi 14 Ultra spec sheet OnePlus Open spec sheet

Manufacturer pages: Xiaomi 14 Ultra ↗ · OnePlus Open ↗

Common questions

Which is cheaper, the Xiaomi 14 Ultra or the OnePlus Open?

Xiaomi 14 Ultra costs $300 less at list price.

What is the biggest catch with the Xiaomi 14 Ultra or OnePlus Open?

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

Which is better for photos, the Xiaomi 14 Ultra or the OnePlus Open?

For photos, buy the Xiaomi 14 Ultra. Leads 4 of 5 rankable photos specs; OnePlus Open takes 1. Max optical zoom: 5x optical vs 3x optical zoom

What cannot be compared from spec sheets?

Of the 48 specs tracked here, 36 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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