Head to head
ASUS Zenfone 11 Ultra vs Samsung Galaxy S25 Ultra
Samsung Galaxy S25 Ultra leads 10 to 6 on the 16 rankable specs, but ASUS Zenfone 11 Ultra costs $400 less.
Catalog as of September 1, 2026
Why, in numbers
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Your devices
Straight answer
Overall: 6 to 10
Buy the Samsung Galaxy S25 Ultra.
- Leads 10 of 16 rankable overall specs; ASUS Zenfone 11 Ultra takes 6.
- Weight: 219 g vs 224 g
- Size: 6.9 inches vs 6.78 inches
- ASUS Zenfone 11 Ultra is $400 cheaper. Pay the difference only if weight matters to you.
Deal-breakers
tick what would make you walk away
- Trips:ASUS Zenfone 11 Ultra · NoClear:Samsung Galaxy S25 Ultra · Yes (built-in S Pen with Bluetooth LE)
- Clear:ASUS Zenfone 11 Ultra · Yes (3.5 mm Hi-Res audio output)Trips:Samsung Galaxy S25 Ultra · No
- Trips:ASUS Zenfone 11 Ultra · NoTrips:Samsung Galaxy S25 Ultra · No
- Trips:ASUS Zenfone 11 Ultra · 2 major OS updates + 4 years security p…Clear:Samsung Galaxy S25 Ultra · 7 generations of OS upgrades & 7 years…
- Trips:ASUS Zenfone 11 Ultra · NoTrips:Samsung Galaxy S25 Ultra · No
At a glance
The handful of numbers that decide most purchases in this category.
Weight
ASUS
224 g
Samsung
219 g (7.72 oz)
Size
ASUS
6.78 inches
Samsung
6.9 inches
Chipset≠
ASUS
Snapdragon 8 Gen 3 (4 nm)
Samsung
Qualcomm Snapdragon 8 Elite for Galaxy (3 nm)
RAM
ASUS
16 GB LPDDR5X
Samsung
12 GB (16 GB option)
Max optical zoom
ASUS
3x optical (30x digital HyperClarity zoom)
Samsung
5x optical zoom (10x optical quality, 100x Space Zoom)
Capacity
ASUS
5,500 mAh
Samsung
5,000 mAh
The 90-Day Owner Regret Check
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.
Body
leads 2-0| Dimensions | 163.8 × 76.8 × 8.9 mm | 162.8 × 77.6 × 8.2 mm |
|---|---|---|
| Weight | 224 g | 219 g (7.72 oz) (wins this row: lower) |
| Build | Gorilla Glass Victus 2 front, matte glass back, aluminum frame | Titanium frame with Gorilla Armor 2 front and Gorilla Glass Victus 2 back |
| Water / dust rating | IP68 (1.5 m / 30 min) | IP68 (up to 1.5m for 30 mins) |
| Colors | Skyline Blue, Eternal Black, Misty Grey, Desert Sand | Titanium Silverblue, Titanium Black, Titanium Gray, Titanium Whitesilver |
| Stylus | No | Yes (built-in S Pen with Bluetooth LE) (wins this row: has it) |
Display
leads 4-0| Type | LTPO AMOLED, 144Hz for gaming | Dynamic LTPO AMOLED 2X |
|---|---|---|
| Size | 6.78 inches | 6.9 inches (wins this row: higher) |
| Resolution | 1080 × 2400 (FHD+) | 3120 × 1440 (QHD+) (wins this row: higher) |
| Pixel density | ~388 ppi | 505 ppi (wins this row: higher) |
| Refresh rate | 1–120 Hz LTPO (up to 144 Hz in Game Genie) | 120 Hz (1–120Hz LTPO) |
| Peak brightness | 2,500 nits peak / 1,600 nits HBM | 2,600 nits peak (wins this row: higher) |
| HDR | HDR10 | HDR10+, HLG |
| Protection | Corning Gorilla Glass Victus 2 | Corning Gorilla Armor 2 (anti-reflective) |
| Always-on display | Yes | Yes |
Platform
5 differences| Operating system | Android 14 with ZenUI | Android 15 (One UI 7) |
|---|---|---|
| Software support | 2 major OS updates + 4 years security patches | 7 generations of OS upgrades & 7 years security updates |
| Chipset | Snapdragon 8 Gen 3 (4 nm) | Qualcomm Snapdragon 8 Elite for Galaxy (3 nm) |
| CPU | 8-core (1× Cortex-X4 + 5× A720 + 2× A520) | 8-core Oryon CPU (2× 4.47 GHz Prime + 6× 3.53 GHz Performance) |
| GPU | Adreno 750 | Adreno 830 |
Memory
leads 2-0| RAM | 16 GB LPDDR5X (wins this row: higher) | 12 GB (16 GB option) |
|---|---|---|
| Storage | 512 GB UFS 4.0 (wins this row: higher) | 256 GB |
| Storage options | 256 GB / 512 GB | 256 GB, 512 GB, 1 TB (UFS 4.0) |
| microSD | No | No |
Rear camera
leads 4-0| Main | 50 MP Sony IMX890, f/1.9, 24 mm, 6-Axis Gimbal OIS 3.0 | 200 MP (f/1.7, 24mm, 1/1.3", multi-directional PDAF, Laser AF, OIS) (wins this row: higher) |
|---|---|---|
| Ultrawide | 13 MP, f/2.2, 120° free-form lens | 50 MP (f/1.9, 120° FOV, Dual Pixel PDAF, macro) (wins this row: higher) |
| Telephoto | 32 MP, f/2.4, 3x optical zoom, OIS | 50 MP 5x periscope (f/3.4, 115mm, Dual Pixel PDAF, OIS) + 50 MP 3x (f/2.4, 67mm, Dual Pixel PDAF, OIS) (wins this row: higher) |
| Max optical zoom | 3x optical (30x digital HyperClarity zoom) | 5x optical zoom (10x optical quality, 100x Space Zoom) (wins this row: higher) |
| Stabilization | 6-Axis Gimbal OIS on main + OIS on telephoto | OIS on main and both telephoto cameras |
| Video | 8K 24 fps, 4K 30/60 fps with Gimbal Stabilization | 8K at 30 fps, 4K at 30/60/120 fps, HDR10+, 10-bit LOG video |
Front camera
leads 1-0| Selfie camera | 32 MP RGBW sensor, f/2.5 (wins this row: higher) | 12 MP (f/2.2, 26mm, Dual Pixel PDAF) |
|---|---|---|
| Selfie video | 1080p 30 fps | 4K at 30/60 fps |
Battery & charging
leads 2-0| Capacity | 5,500 mAh (wins this row: higher) | 5,000 mAh |
|---|---|---|
| Wired chargingNot on the official sheet | 65 W HyperCharge (100% in 39 min) (wins this row: higher) | 45W fast wired charging (up to 65% in 30 min) |
| Wireless charging | 15 W Qi wireless | 15W Fast Wireless Charging 2.0 |
| Reverse wireless | 10 W reverse wired | 4.5W Wireless PowerShare |
| Charger in box | No | No |
Audio
leads 1-0| 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| Cellular | 5G (sub-6) | 5G (sub-6 GHz and mmWave) |
|---|---|---|
| Wi-Fi | Wi-Fi 7 | Wi-Fi 7 (802.11be tri-band) |
| Bluetooth | Bluetooth 5.4 with aptX Lossless | Bluetooth 5.4 |
| NFC | Yes | Yes (Samsung Pay / Google Pay) |
| USB | USB-C 2.0 (side display/charging) | USB-C 3.2 Gen 1 (DisplayPort video out) |
| SIM | Dual nano-SIM | Dual eSIM / Nano-SIM + eSIM |
Features
3 differences| Biometrics | In-display fingerprint sensor + Face unlock | Ultrasonic in-display fingerprint sensor + 2D Face unlock |
|---|---|---|
| Extra controls | Game Genie gaming overlay toolbar | S Pen air gestures |
| Standout features | 6-Axis Hybrid Gimbal 3.0, 3.5mm jack, AI Call Translator, AI Transcript | Built-in S Pen, Galaxy AI 2.0 (Now Brief, Live Translate, Sketch to Image), Anti-reflective Gorilla Armor 2, Samsung DeX |
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
Pick this one if
Samsung Galaxy S25 Ultra
Flagship titanium smartphone with Snapdragon 8 Elite for Galaxy, built-in S Pen, 200MP quad camera with 50MP ultrawide and 50MP 5x telephoto, and Galaxy AI.
- Top-tier Snapdragon 8 Elite 3nm custom Galaxy performance
- Upgraded 50MP ultra-wide and dual 50MP telephoto sensors with 200MP main
- Corning Gorilla Armor 2 anti-reflective display and built-in S Pen stylus
What you give up
- Premium $1,299 starting price
- Wired charging remains at 45W
Best for each use
Photos
For photos, buy the Samsung Galaxy S25 Ultra.
Battery & updates
For battery & updates, buy the ASUS Zenfone 11 Ultra.
Games & video
For games & video, buy the Samsung Galaxy S25 Ultra.
Done deciding?
Open the full standalone spec sheet for either device.
Manufacturer pages: ASUS Zenfone 11 Ultra ↗ · Samsung Galaxy S25 Ultra ↗
Common questions
Which is cheaper, the ASUS Zenfone 11 Ultra or the Samsung Galaxy S25 Ultra?
ASUS Zenfone 11 Ultra costs $400 less at list price.
What is the biggest catch with the ASUS Zenfone 11 Ultra or Samsung Galaxy S25 Ultra?
ASUS Zenfone 11 Ultra 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 Ultra?
For photos, buy the Samsung Galaxy S25 Ultra. Leads 4 of 5 rankable photos specs; ASUS Zenfone 11 Ultra takes 1. Max optical zoom: 5x optical zoom vs 3x optical
What cannot be compared from spec sheets?
Of the 48 specs tracked here, 32 are descriptive and cannot be ranked on numbers alone. Spec sheets also cannot measure subjective factors like build quality, real-world performance, or comfort.