ASUS - Zenfone 11 Ultra vs Samsung - Galaxy S26 Ultra
Between the Zenfone 11 Ultra and Galaxy S26 Ultra, the Zenfone 11 Ultra comes out ahead in front camera and refresh rate, while the Galaxy S26 Ultra wins on main camera and pixel density. Overall, the Zenfone 11 Ultra scores 71.9 and the Galaxy S26 Ultra scores 75.6 on our Mars Score.
Which should you buy?
The Galaxy S26 Ultra edges ahead on the Mars Score (71.9 vs 75.6), but the 3.7-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Zenfone 11 Ultra if your top frustration with your current device is running out of charge before the day ends — endurance is the lead spec here. The biggest gaps in its favor are front camera, refresh rate, battery capacity, among others.
Pick the Galaxy S26 Ultra if you photograph or shoot video regularly and want the better imaging pipeline of the two. Its strongest claims are main camera, pixel density, antutu, among others.
Both ship with comparable ram, 5g support, water resistance, so those specs don't separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity tells you both are well-rounded; the differences are about trade-offs, not quality.
Why ASUS - Zenfone 11 Ultra wins
- ▲Front camera — 166.67% more. 32 MP vs 12 MP.
- ▲Refresh rate — 20.00% more. 144 Hz vs 120 Hz.
- ▲Battery capacity — 10.00% more. 5500 mAh vs 5000 mAh.
- ▲Weight — 8.00 g less. 224 vs 232.
Why Samsung - Galaxy S26 Ultra wins
- ▲Main camera — 300.00% more. 200 MP vs 50 MP.
- ▲Pixel density — 29.12% more. 501 ppi vs 388 ppi.
- ▲AnTuTu — 11.59% more. 2310000 vs 2070000.
- ▲Screen size — 1.77% more. 6.9 " vs 6.78 ".
- ▲Promised OS updates: 7 (vs 2).
Spec comparison
Design
| Spec | ASUS - Zenfone 11 Ultra | Samsung - Galaxy S26 Ultra |
|---|---|---|
| Weight | 224 glead | 232 g |
| Thickness | 8.9 mm | 8.6 mmlead |
| Water resistanceⓘ | IP68 | IP68 |
| Form factor | bar | bar |
Display
| Spec | ASUS - Zenfone 11 Ultra | Samsung - Galaxy S26 Ultra |
|---|---|---|
| Screen sizeⓘ | 6.78 " | 6.9 "lead |
| Pixel densityⓘ | 388 ppi | 501 ppilead |
| Refresh rateⓘ | 144 Hzlead | 120 Hz |
| Peak brightnessⓘ | 2500 nits | 2600 nitslead |
Performance
Cameras
| Spec | ASUS - Zenfone 11 Ultra | Samsung - Galaxy S26 Ultra |
|---|---|---|
| Main cameraⓘ | 50 MP | 200 MPlead |
| Front camera | 32 MPlead | 12 MP |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | ASUS - Zenfone 11 Ultra | Samsung - Galaxy S26 Ultra |
|---|---|---|
| Battery capacity | 5500 mAhlead | 5000 mAh |
| Wired chargingⓘ | 65 W | 65 W |
| Wireless chargingⓘ | 15 W | 15 W |
Connectivity
| Spec | ASUS - Zenfone 11 Ultra | Samsung - Galaxy S26 Ultra |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | ASUS - Zenfone 11 Ultra | Samsung - Galaxy S26 Ultra |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 2 years | 7 yearslead |
Frequently asked
Which has better battery, Zenfone 11 Ultra or Galaxy S26 Ultra?+
Zenfone 11 Ultra has 10.0% more battery — 5500 mAh vs 5000 mAh.
Which is lighter, Zenfone 11 Ultra or Galaxy S26 Ultra?+
Zenfone 11 Ultra is 8g lighter — 224g vs 232g.
Is Zenfone 11 Ultra waterproof?+
Zenfone 11 Ultra has an IP68 rating.
Does Galaxy S26 Ultra support 5G?+
Yes, Galaxy S26 Ultra supports 5G.
Which has a better camera, Zenfone 11 Ultra or Galaxy S26 Ultra?+
Galaxy S26 Ultra has a 200 MP main camera vs 50 MP.
Spec-level deep dives
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