Between the Zenfone 11 Ultra and iPhone 15 Pro Max, the Zenfone 11 Ultra comes out ahead in front camera and wired charging, while the iPhone 15 Pro Max wins on pixel density and weight. Overall, the Zenfone 11 Ultra scores 71.9 and the iPhone 15 Pro Max scores 63.2 on our Mars Score.
Which should you buy?
The Zenfone 11 Ultra is the clear pick on raw spec strength, leading by 8.7 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the Zenfone 11 Ultra if you photograph or shoot video regularly and want the better imaging pipeline of the two. The biggest gaps in its favor are front camera, wired charging, ram, among others.
Pick the iPhone 15 Pro Max if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. Its strongest claims are pixel density, weight, promised os updates.
Both ship with comparable 5g support, water resistance, optical image stabilization, so those specs don't separate the two — focus on the differences below.
Bottom line: the Zenfone 11 Ultra is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why ASUS - Zenfone 11 Ultra wins
- ▲Front camera — 166.67% more. 32 MP vs 12 MP.
- ▲Wired charging — 140.74% more. 65 W vs 27 W.
- ▲RAM — 100.00% more. 16 GB vs 8 GB.
- ▲AnTuTu — 35.29% more. 2070000 vs 1530000.
- ▲Battery capacity — 24.38% more. 5500 mAh vs 4422 mAh.
- ▲Refresh rate — 20.00% more. 144 Hz vs 120 Hz.
- ▲Main camera — 4.17% more. 50 MP vs 48 MP.
- ▲Screen size — 1.19% more. 6.78 " vs 6.7 ".
Why Apple - iPhone 15 Pro Max wins
- ▲Pixel density — 18.56% more. 460 ppi vs 388 ppi.
- ▲Weight — 3.00 g less. 221 vs 224.
- ▲Promised OS updates: 5 (vs 2).
Spec comparison
Design
| Spec | ASUS - Zenfone 11 Ultra | Apple - iPhone 15 Pro Max |
|---|---|---|
| Weight | 224 g | 221 glead |
| Thickness | 8.9 mm | 8.25 mmlead |
| Water resistanceⓘ | IP68 | IP68 |
| Form factor | bar | bar |
Display
| Spec | ASUS - Zenfone 11 Ultra | Apple - iPhone 15 Pro Max |
|---|---|---|
| Screen sizeⓘ | 6.78 "lead | 6.7 " |
| Pixel densityⓘ | 388 ppi | 460 ppilead |
| Refresh rateⓘ | 144 Hzlead | 120 Hz |
| Peak brightnessⓘ | 2500 nitslead | 2000 nits |
Performance
Cameras
| Spec | ASUS - Zenfone 11 Ultra | Apple - iPhone 15 Pro Max |
|---|---|---|
| Main cameraⓘ | 50 MPlead | 48 MP |
| Front camera | 32 MPlead | 12 MP |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | ASUS - Zenfone 11 Ultra | Apple - iPhone 15 Pro Max |
|---|---|---|
| Battery capacity | 5500 mAhlead | 4422 mAh |
| Wired chargingⓘ | 65 Wlead | 27 W |
| Wireless chargingⓘ | 15 W | 15 W |
Connectivity
| Spec | ASUS - Zenfone 11 Ultra | Apple - iPhone 15 Pro Max |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | ASUS - Zenfone 11 Ultra | Apple - iPhone 15 Pro Max |
|---|---|---|
| OS | Android | iOSlead |
| Promised OS updates | 2 years | 5 yearslead |
Frequently asked
Which has better battery, Zenfone 11 Ultra or iPhone 15 Pro Max?+
Zenfone 11 Ultra has 24.4% more battery — 5500 mAh vs 4422 mAh.
Which is lighter, Zenfone 11 Ultra or iPhone 15 Pro Max?+
iPhone 15 Pro Max is 3g lighter — 224g vs 221g.
Is Zenfone 11 Ultra waterproof?+
Zenfone 11 Ultra has an IP68 rating.
Does iPhone 15 Pro Max support 5G?+
Yes, iPhone 15 Pro Max supports 5G.
Which has more RAM, Zenfone 11 Ultra or iPhone 15 Pro Max?+
Zenfone 11 Ultra offers 16GB of RAM.
Which has a better camera, Zenfone 11 Ultra or iPhone 15 Pro Max?+
Zenfone 11 Ultra has a 50 MP main camera vs 48 MP.
Spec-level deep dives
More from the same brands
vsMars is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no extra cost to you. Learn more.