Vivo iQOO 15T vs Vivo X51 5G
The Vivo iQOO 15T (2026) runs on the MediaTek Dimensity 9500, while the Vivo X51 5G (2020) runs on the Qualcomm Snapdragon 765G. By overall MobileRank rating, the Vivo iQOO 15T leads — 82/100 vs 46/100 (a 36-point difference). Key differences: the Vivo iQOO 15T has the bigger battery (8000 mAh vs 4315); the main camera is 200 MP vs 48 MP; the Vivo iQOO 15T is faster in AnTuTu (4,704,310 vs 597,974); the Vivo X51 5G is noticeably lighter (181g vs 216g).
Profile comparison
Category scores
Vivo iQOO 15T
Vivo X51 5G
What makes Vivo iQOO 15T better?
- Higher AnTuTu: 4704310 vs 597974
- Better Geekbench Single: 3293 vs 799
- Better Geekbench Multi: 10243 vs 1836
- Bigger battery: 8000 vs 4315 mAh
- Faster charging: 100W vs 33W
- Better main camera: 200MP vs 48MP
- Higher refresh rate: 144Hz vs 90Hz
- Higher performance (97/100 vs 44/100)
- Better camera (65/100 vs 42/100)
- Longer battery life (75/100 vs 31/100)
- Better display (99/100 vs 68/100)
What makes Vivo X51 5G better?
- Lighter: 181g vs 216g
- Better portability (70/100 vs 44/100)
Comparison verdict
Comparing the Vivo iQOO 15T vs the Vivo X51 5G, the Vivo iQOO 15T scores 36 points higher (82/100 vs 46/100). In the "performance" category, the Vivo iQOO 15T leads (97/100 vs 44/100). In the "camera" category, the Vivo iQOO 15T leads (65/100 vs 42/100). In the "battery" category, the Vivo iQOO 15T leads (75/100 vs 31/100). In the "performance" category, the Vivo iQOO 15T significantly outperforms the Vivo X51 5G (97/100 vs 44/100). In the "display" category, the Vivo iQOO 15T significantly outperforms the Vivo X51 5G (99/100 vs 68/100). In the "camera" category, the Vivo iQOO 15T notably outperforms the Vivo X51 5G (65/100 vs 42/100). In the "battery" category, the Vivo iQOO 15T significantly outperforms the Vivo X51 5G (75/100 vs 31/100). In the "portability" category, the Vivo X51 5G notably outperforms the Vivo iQOO 15T (70/100 vs 44/100).
Specs comparison
| Specification | Vivo iQOO 15T | Vivo X51 5G | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Qualcomm Snapdragon 765G | |
| AnTuTu | 4704310 | 597974 | |
| Geekbench Single | 3293 | 799 | |
| Geekbench Multi | 10243 | 1836 | |
| Display | 6.8" LTPO AMOLED | 6.6" AMOLED | |
| Resolution | 1440x3168 | 1080x2376 | |
| Refresh rate | 144 Hz | 90 Hz | |
| Battery | 8000 mAh | 4315 mAh | |
| Charging | 100W | 33W | |
| Main camera | 200 MP | 48 MP | |
| Ultrawide | 50 MP | 8 MP | |
| Telephoto | 0 MP | 8 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 12GB / 16GB | 8GB | |
| Storage | 256GB / 512GB / 1TB | 256GB | |
| OS | Android 16 | Android 10, Funtouch 10.0 | |
| NFC | yes | yes | |
| Protection | IP68 | — | |
| Dimensions | — | 158.5×72.8×8.0 mm | |
| Weight | 216 g | 181 g | |
| Launch price | $499 | — |
Camera comparison
Vivo iQOO 15T
- Main: 200MP f/1.8
- Ultrawide: 50MP
- Front: 16MP
Vivo X51 5G
- Main: 48MP f/1.6
- Ultrawide: 8MP
- Telephoto: 8MP
- Front: 32MP
Display comparison
Vivo iQOO 15T
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo X51 5G
- 6.6" AMOLED
- Resolution: 1080x2376
- Refresh rate: 90 Hz
Battery and charging
Vivo iQOO 15T
- 8000 mAh
- Wired: 100W
- No wireless charging
Vivo X51 5G
- 4315 mAh
- Wired: 33W
- No wireless charging
Overall performance score
We compared Vivo iQOO 15T and Vivo X51 5G, covering their specs and all relevant benchmarks.
Vivo iQOO 15T leads Vivo X51 5G by 686.7% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Vivo X51 5G
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15T significantly outperforms the Vivo X51 5G (97/100 vs 44/100).
display
In the "display" category, the Vivo iQOO 15T significantly outperforms the Vivo X51 5G (99/100 vs 68/100).
camera
In the "camera" category, the Vivo iQOO 15T notably outperforms the Vivo X51 5G (65/100 vs 42/100).
battery
In the "battery" category, the Vivo iQOO 15T significantly outperforms the Vivo X51 5G (75/100 vs 31/100).
portability
In the "portability" category, the Vivo X51 5G notably outperforms the Vivo iQOO 15T (70/100 vs 44/100).
Frequently asked questions
Which is better: the Vivo iQOO 15T or the Vivo X51 5G?
The Vivo iQOO 15T significantly outperforms the Vivo X51 5G by 36 points (82/100 vs 46/100).
What is the rating of the Vivo iQOO 15T and the Vivo X51 5G?
The Vivo iQOO 15T has a MobileRank rating of 82/100, the Vivo X51 5G — 46/100.
Which has the better camera: the Vivo iQOO 15T or the Vivo X51 5G?
The Vivo iQOO 15T leads on camera score (65/100 vs 42/100).
Which is more powerful: the Vivo iQOO 15T or the Vivo X51 5G?
The Vivo iQOO 15T leads on performance (97/100 vs 44/100).
Should you choose the Vivo iQOO 15T over the Vivo X51 5G?
The Vivo iQOO 15T is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.