Between the iQOO 13 and Xiaomi 15, the iQOO 13 comes out ahead in ram and wired charging, while the Xiaomi 15 wins on weight and wireless charging. Overall, the iQOO 13 scores 75.3 and the Xiaomi 15 scores 70 on our Mars Score.
Which should you buy?
The iQOO 13 edges ahead on the Mars Score (75.3 vs 70), but the 5.3-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the iQOO 13 if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. The biggest gaps in its favor are ram, wired charging, refresh rate, among others.
Pick the Xiaomi 15 if you carry the device everywhere and weight or thickness has been the deciding factor before. Its strongest claims are weight, wireless charging.
Both ship with comparable main camera, 5g support, front camera, so those specs don't separate the two — focus on the differences below.
Bottom line: the iQOO 13 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Vivo - iQOO 13 wins
- ▲RAM — 33.33% more. 16 GB vs 12 GB.
- ▲Wired charging — 33.33% more. 120 W vs 90 W.
- ▲Refresh rate — 20.00% more. 144 Hz vs 120 Hz.
- ▲Battery capacity — 13.89% more. 6150 mAh vs 5400 mAh.
- ▲Pixel density — 10.87% more. 510 ppi vs 460 ppi.
- ▲Screen size — 7.23% more. 6.82 " vs 6.36 ".
- ▲AnTuTu — 5.22% more. 2820000 vs 2680000.
- ▲Water resistance: IP69 (vs IP68).
Why Xiaomi 15 wins
- ▲Weight — 21.00 g less. 192 vs 213.
- ▲Wireless charging: 50 W vs 0 W.
Spec comparison
Design
| Spec | Vivo - iQOO 13 | Xiaomi 15 |
|---|---|---|
| Weight | 213 g | 192 glead |
| Thickness | 8.13 mm | 8.1 mmlead |
| Water resistanceⓘ | IP69lead | IP68 |
| Form factor | bar | bar |
Display
| Spec | Vivo - iQOO 13 | Xiaomi 15 |
|---|---|---|
| Screen sizeⓘ | 6.82 "lead | 6.36 " |
| Pixel densityⓘ | 510 ppilead | 460 ppi |
| Refresh rateⓘ | 144 Hzlead | 120 Hz |
| Peak brightnessⓘ | 4500 nitslead | 3200 nits |
Performance
Cameras
| Spec | Vivo - iQOO 13 | Xiaomi 15 |
|---|---|---|
| Main cameraⓘ | 50 MP | 50 MP |
| Front camera | 32 MP | 32 MP |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | Vivo - iQOO 13 | Xiaomi 15 |
|---|---|---|
| Battery capacity | 6150 mAhlead | 5400 mAh |
| Wired chargingⓘ | 120 Wlead | 90 W |
| Wireless chargingⓘ | 0 W | 50 Wlead |
Connectivity
| Spec | Vivo - iQOO 13 | Xiaomi 15 |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | Vivo - iQOO 13 | Xiaomi 15 |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 4 years | 4 years |
Frequently asked
Which has better battery, iQOO 13 or Xiaomi 15?+
iQOO 13 has 13.9% more battery — 6150 mAh vs 5400 mAh.
Which is lighter, iQOO 13 or Xiaomi 15?+
Xiaomi 15 is 21g lighter — 213g vs 192g.
Is iQOO 13 waterproof?+
iQOO 13 has an IP69 rating.
Does Xiaomi 15 support 5G?+
Yes, Xiaomi 15 supports 5G.
Which has more RAM, iQOO 13 or Xiaomi 15?+
iQOO 13 offers 16GB of RAM.
Which has a better camera, iQOO 13 or Xiaomi 15?+
Xiaomi 15 has a 50 MP main camera vs 50 MP.
Spec-level deep dives
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