Vivo iQOO 15T vs Xiaomi Mi 8
The Vivo iQOO 15T (2026) runs on the MediaTek Dimensity 9500, while the Xiaomi Mi 8 (2018) runs on the Qualcomm Snapdragon 845; launch prices were $499 and $460. By overall MobileRank rating, the Vivo iQOO 15T leads — 82/100 vs 34/100 (a 48-point difference). Key differences: the Vivo iQOO 15T has the bigger battery (8000 mAh vs 3400); the main camera is 200 MP vs 12 MP; the Vivo iQOO 15T is faster in AnTuTu (4,704,310 vs 572,788); the Xiaomi Mi 8 is noticeably lighter (175g vs 216g).
Profile comparison
Category scores
Vivo iQOO 15T
Xiaomi Mi 8
What makes Vivo iQOO 15T better?
- Higher AnTuTu: 4704310 vs 572788
- Better Geekbench Single: 3293 vs 566
- Better Geekbench Multi: 10243 vs 2130
- Bigger battery: 8000 vs 3400 mAh
- Faster charging: 100W vs 18W
- Better main camera: 200MP vs 12MP
- Higher refresh rate: 144Hz vs 60Hz
- Higher performance (97/100 vs 41/100)
- Better camera (65/100 vs 19/100)
- Longer battery life (75/100 vs 12/100)
- Better display (99/100 vs 56/100)
What makes Xiaomi Mi 8 better?
- Lighter: 175g vs 216g
- Cheaper at launch: $460 vs $499
- Better portability (78/100 vs 44/100)
Comparison verdict
Comparing the Vivo iQOO 15T vs the Xiaomi Mi 8, the Vivo iQOO 15T scores 48 points higher (82/100 vs 34/100). In the "performance" category, the Vivo iQOO 15T leads (97/100 vs 41/100). In the "camera" category, the Vivo iQOO 15T leads (65/100 vs 19/100). In the "battery" category, the Vivo iQOO 15T leads (75/100 vs 12/100). Value score: Vivo iQOO 15T — 86/100, Xiaomi Mi 8 — 0/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Vivo iQOO 15T significantly outperforms the Xiaomi Mi 8 (97/100 vs 41/100). In the "display" category, the Vivo iQOO 15T significantly outperforms the Xiaomi Mi 8 (99/100 vs 56/100). In the "camera" category, the Vivo iQOO 15T significantly outperforms the Xiaomi Mi 8 (65/100 vs 19/100). In the "battery" category, the Vivo iQOO 15T significantly outperforms the Xiaomi Mi 8 (75/100 vs 12/100). In the "portability" category, the Xiaomi Mi 8 significantly outperforms the Vivo iQOO 15T (78/100 vs 44/100).
Specs comparison
| Specification | Vivo iQOO 15T | Xiaomi Mi 8 | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Qualcomm Snapdragon 845 | |
| AnTuTu | 4704310 | 572788 | |
| Geekbench Single | 3293 | 566 | |
| Geekbench Multi | 10243 | 2130 | |
| Display | 6.8" LTPO AMOLED | 6.2" AMOLED | |
| Resolution | 1440x3168 | 2248x1080 | |
| Refresh rate | 144 Hz | 60 Hz | |
| Battery | 8000 mAh | 3400 mAh | |
| Charging | 100W | 18W | |
| Main camera | 200 MP | 12 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Telephoto | 0 MP | 12 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 12GB / 16GB | 6GB | |
| Storage | 256GB / 512GB / 1TB | 64GB / 128GB / 256GB | |
| OS | Android 16 | Android 8.1 | |
| NFC | yes | yes | |
| Protection | IP68 | — | |
| Dimensions | — | 154.9×74.8×7.6 mm | |
| Weight | 216 g | 175 g | |
| Launch price | $499 | $460 |
Camera comparison
Vivo iQOO 15T
- Main: 200MP f/1.8
- Ultrawide: 50MP
- Front: 16MP
Xiaomi Mi 8
- Main: 12MP f/1.8
- Telephoto: 12MP
- Front: 20MP
Display comparison
Vivo iQOO 15T
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Xiaomi Mi 8
- 6.2" AMOLED
- Resolution: 2248x1080
- Refresh rate: 60 Hz
Battery and charging
Vivo iQOO 15T
- 8000 mAh
- Wired: 100W
- No wireless charging
Xiaomi Mi 8
- 3400 mAh
- Wired: 18W
- No wireless charging
Overall performance score
We compared Vivo iQOO 15T and Xiaomi Mi 8, covering their specs and all relevant benchmarks.
Vivo iQOO 15T leads Xiaomi Mi 8 by 721.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $39. Xiaomi Mi 8 was $39 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15T significantly outperforms the Xiaomi Mi 8 (97/100 vs 41/100).
display
In the "display" category, the Vivo iQOO 15T significantly outperforms the Xiaomi Mi 8 (99/100 vs 56/100).
camera
In the "camera" category, the Vivo iQOO 15T significantly outperforms the Xiaomi Mi 8 (65/100 vs 19/100).
battery
In the "battery" category, the Vivo iQOO 15T significantly outperforms the Xiaomi Mi 8 (75/100 vs 12/100).
portability
In the "portability" category, the Xiaomi Mi 8 significantly outperforms the Vivo iQOO 15T (78/100 vs 44/100).
Frequently asked questions
Which is better: the Vivo iQOO 15T or the Xiaomi Mi 8?
The Vivo iQOO 15T significantly outperforms the Xiaomi Mi 8 by 48 points (82/100 vs 34/100).
What is the rating of the Vivo iQOO 15T and the Xiaomi Mi 8?
The Vivo iQOO 15T has a MobileRank rating of 82/100, the Xiaomi Mi 8 — 34/100.
Which has the better camera: the Vivo iQOO 15T or the Xiaomi Mi 8?
The Vivo iQOO 15T leads on camera score (65/100 vs 19/100).
Which is more powerful: the Vivo iQOO 15T or the Xiaomi Mi 8?
The Vivo iQOO 15T leads on performance (97/100 vs 41/100).
Should you choose the Vivo iQOO 15T over the Xiaomi Mi 8?
The Vivo iQOO 15T is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.