ASUS
ASUS Zenfone 11 Ultra
Phones
$899List price
Explore this product Your shortlist, side by side
ASUS Zenfone 11 Ultra vs Samsung Galaxy S25
Find the differences that matter for your next decision.
Samsung
Samsung Galaxy S25
Phones
$799List 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 ASUS Zenfone 11 Ultra.
- Leads 8 of 13 rankable overall specs; Samsung Galaxy S25 takes 5.
- Size: 6.78 inches vs 6.2 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.
RAM: 16 GB LPDDR5X vs 12 GB
Samsung Galaxy S25 is $100 cheaper. Pay the difference only if size matters to you.
The trade-off to know
Check first: the ASUS Zenfone 11 Ultra has under 5 years of OS updates. 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 | Samsung Galaxy S25 |
|---|---|---|
| WeightBody | 224 g | 162 g (5.71 oz) |
| SizeDisplay | 6.78 inches | 6.2 inches |
| ChipsetPlatform | Snapdragon 8 Gen 3 (4 nm) | Qualcomm Snapdragon 8 Elite for Galaxy (3 nm) |
| RAMMemory | 16 GB LPDDR5X | 12 GB |
| Max optical zoomRear camera | 3x optical (30x digital HyperClarity zoom) | 3x optical zoom |
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
Samsung Galaxy S25
Reasons to choose it
- Flagship Snapdragon 8 Elite power in a lightweight 162g compact body
- RAM upgraded to 12GB standard across all storage tiers
- 7 years of Android OS and security upgrades
Worth considering
- Wired charging capped at 25W
- Base storage starts at 128GB
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.
Samsung: 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 Samsung Galaxy S25?
Samsung Galaxy S25 costs $100 less at list price.
What is the biggest catch with the ASUS Zenfone 11 Ultra or Samsung Galaxy S25?
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 S25?
For photos, buy the ASUS Zenfone 11 Ultra. Leads 2 of 3 rankable photos specs; Samsung Galaxy S25 takes 1. Telephoto: 32 MP, f/2.4, 3x optical zoom, OIS vs 10 MP
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.