ASUS
ASUS Zenfone 11 Ultra
Phones
$899List price
Explore this product Your shortlist, side by side
ASUS Zenfone 11 Ultra vs OnePlus Open
Find the differences that matter for your next decision.
OnePlus
OnePlus Open
Phones
$1,699List price
Explore this product What matters most to you?
Start with all rankable specifications, or focus on a particular use.
Your starting point
Buy the OnePlus Open.
- Leads 8 of 13 rankable overall specs; ASUS Zenfone 11 Ultra takes 5.
- Size: 7.82 inches unfolded vs 6.78 inches
How we reached this
We compare the published specifications relevant to your priority. Each rankable specification counts once; your selected requirements can rule a product out. This is a guide to the numbers, not a laboratory performance score.
Resolution: Main: 2440 × 2268 vs 1080 × 2400
ASUS Zenfone 11 Ultra is $800 cheaper. Pay the difference only if size matters to you.
The trade-off to know
Check first: the OnePlus Open has no headphone jack. the OnePlus Open is not IP68. Tick them under deal-breakers if that rules it out.
Look at the differences ↓Refine your requirements
Your other devices
What would rule one out?
Side by side
The differences, in detail.
Start with the key specs, then explore as much as you need.
| What you’re comparing | ASUS Zenfone 11 Ultra | OnePlus Open |
|---|---|---|
| WeightBody | 224 g | 239 g (8.43 oz) |
| SizeDisplay | 6.78 inches | 7.82 inches unfolded (6.31 inches folded) |
| ChipsetPlatform | Snapdragon 8 Gen 3 (4 nm) | Qualcomm Snapdragon 8 Gen 2 (4 nm) |
| Max optical zoomRear camera | 3x optical (30x digital HyperClarity zoom) | 3x optical zoom (6x in-sensor zoom) |
| CapacityBattery & charging | 5,500 mAh | 4,805 mAh |
Showing 5 of 48 specifications. Missing values stay unlisted. About the sources
Both sides of the decision
What you gain. What you give up.
ASUS Zenfone 11 Ultra
Reasons to choose it
- 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
Worth considering
- Software support limited to 2 OS updates and 4 years security
- Telephoto camera performance trails Samsung/Apple in low light
OnePlus Open
Reasons to choose it
- Best-in-class Open Canvas multitasking software
- Near-invisible crease and lightweight thin foldable design
- High-tier Hasselblad triple camera array with 3x periscope
Worth considering
- No wireless charging support
- IPX4 water resistance rating is splash-only
Beyond the spec sheet
Living with your choice.
Explore the ownership details available for this pair.
Everyday ownership notes
Documented ergonomic quirks, hardware annoyances, and maintenance realities reported by real owners.
ASUS: What to watch for
- Hidden Cost
No wall charging adapter included in the retail box.
OnePlus: What to watch for
- Hidden Cost
No wall charging adapter included in the retail box.
Know what’s behind the comparison
Published specs. Visible sources.
Clinchmark compares manufacturer specifications and other published information. We have not independently lab-tested these products. Editorial assessments and unknown values are identified in the specification details.
Catalog snapshot: September 1, 2026. Prices, availability, and provider terms can change.
Still weighing it up?
Which is cheaper, the ASUS Zenfone 11 Ultra or the OnePlus Open?
ASUS Zenfone 11 Ultra costs $800 less at list price.
What is the biggest catch with the ASUS Zenfone 11 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 ASUS Zenfone 11 Ultra or the OnePlus Open?
Tied on photos. ASUS Zenfone 11 Ultra is cheaper. The 4 rankable photos specs split 2 to 2. Saves $800 at list price.
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.