Vivo iQOO 15 vs ZEED Z-Slim
The Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the ZEED Z-Slim (2026) runs on the Dimensity 7100. By overall MobileRank rating, the Vivo iQOO 15 leads — 88/100 vs 56/100 (a 32-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 5000); the main camera is 50 MP vs 108 MP; the Vivo iQOO 15 is faster in AnTuTu (3,950,082 vs 785,352); the ZEED Z-Slim is noticeably lighter (172g vs 215g).
Profile comparison
Category scores
Vivo iQOO 15
ZEED Z-Slim
What makes Vivo iQOO 15 better?
- Higher AnTuTu: 3950082 vs 785352
- Better Geekbench Single: 3639 vs 995
- Better Geekbench Multi: 11047 vs 2925
- Bigger battery: 7000 vs 5000 mAh
- Faster charging: 100W vs 45W
- Higher performance (98/100 vs 54/100)
- Better camera (78/100 vs 46/100)
- Longer battery life (85/100 vs 48/100)
- Better display (99/100 vs 80/100)
What makes ZEED Z-Slim better?
- Better main camera: 108MP vs 50MP
- Lighter: 172g vs 215g
- Better portability (92/100 vs 48/100)
Comparison verdict
Comparing the Vivo iQOO 15 vs the ZEED Z-Slim, the Vivo iQOO 15 scores 32 points higher (88/100 vs 56/100). In the "performance" category, the Vivo iQOO 15 leads (98/100 vs 54/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 46/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 48/100). In the "performance" category, the Vivo iQOO 15 significantly outperforms the ZEED Z-Slim (98/100 vs 54/100). In the "display" category, the Vivo iQOO 15 notably outperforms the ZEED Z-Slim (99/100 vs 80/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the ZEED Z-Slim (78/100 vs 46/100). In the "battery" category, the Vivo iQOO 15 significantly outperforms the ZEED Z-Slim (85/100 vs 48/100). In the "portability" category, the ZEED Z-Slim significantly outperforms the Vivo iQOO 15 (92/100 vs 48/100).
Specs comparison
| Specification | Vivo iQOO 15 | ZEED Z-Slim | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Dimensity 7100 | |
| AnTuTu | 3950082 | 785352 | |
| Geekbench Single | 3639 | 995 | |
| Geekbench Multi | 11047 | 2925 | |
| Display | 6.8" LTPO AMOLED | 6.8" AMOLED | |
| Resolution | 1440x3168 | 1080x2392 | |
| Refresh rate | 144 Hz | — | |
| Battery | 7000 mAh | 5000 mAh | |
| Charging | 100W | 45W | |
| Wireless charging | 40W | 0W | |
| Main camera | 50 MP | 108 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 12GB / 16GB | 8GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 6000 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | — | |
| Dimensions | 163.7×76.8×8.1 mm | 162.6×75.4×6.0 mm | |
| Weight | 215 g | 172 g | |
| Launch price | $599 | — |
Camera comparison
Vivo iQOO 15
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
ZEED Z-Slim
- Main: 108MP f/1.8
- Front: 32MP
Display comparison
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
ZEED Z-Slim
- 6.8" AMOLED
- Resolution: 1080x2392
- Refresh rate: —
Battery and charging
Vivo iQOO 15
- 7000 mAh
- NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
- Wired: 100W
- Wireless: 40W
ZEED Z-Slim
- 5000 mAh
- Wired: 45W
- No wireless charging
Overall performance score
We compared Vivo iQOO 15 and ZEED Z-Slim, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads ZEED Z-Slim by 403.0% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
ZEED Z-Slim
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the ZEED Z-Slim (98/100 vs 54/100).
display
In the "display" category, the Vivo iQOO 15 notably outperforms the ZEED Z-Slim (99/100 vs 80/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the ZEED Z-Slim (78/100 vs 46/100).
battery
In the "battery" category, the Vivo iQOO 15 significantly outperforms the ZEED Z-Slim (85/100 vs 48/100).
portability
In the "portability" category, the ZEED Z-Slim significantly outperforms the Vivo iQOO 15 (92/100 vs 48/100).
Frequently asked questions
Which is better: the Vivo iQOO 15 or the ZEED Z-Slim?
The Vivo iQOO 15 significantly outperforms the ZEED Z-Slim by 32 points (88/100 vs 56/100).
What is the rating of the Vivo iQOO 15 and the ZEED Z-Slim?
The Vivo iQOO 15 has a MobileRank rating of 88/100, the ZEED Z-Slim — 56/100.
Which has the better camera: the Vivo iQOO 15 or the ZEED Z-Slim?
The Vivo iQOO 15 leads on camera score (78/100 vs 46/100).
Which is more powerful: the Vivo iQOO 15 or the ZEED Z-Slim?
The Vivo iQOO 15 leads on performance (98/100 vs 54/100).
Should you choose the Vivo iQOO 15 over the ZEED Z-Slim?
The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.