Vivo iQOO 15 Ultra vs Vivo T4x
The Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Vivo T4x (2025) runs on the MediaTek Dimensity 7300. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 50/100 (a 39-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 6500); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 825,052); the Vivo iQOO 15 Ultra has NFC for contactless payments, the Vivo T4x doesn't; the Vivo T4x is noticeably lighter (204g vs 227g).
Profile comparison
Category scores
Vivo iQOO 15 Ultra
Vivo T4x
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 825052
- Better Geekbench Single: 3639 vs 1011
- Better Geekbench Multi: 11047 vs 2813
- Bigger battery: 7400 vs 6500 mAh
- Faster charging: 120W vs 44W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (99/100 vs 54/100)
- Better camera (78/100 vs 30/100)
- Longer battery life (92/100 vs 58/100)
- Better display (99/100 vs 66/100)
What makes Vivo T4x better?
- Lighter: 204g vs 227g
- Better portability (56/100 vs 35/100)
Comparison verdict
Comparing the Vivo iQOO 15 Ultra vs the Vivo T4x, the Vivo iQOO 15 Ultra scores 39 points higher (89/100 vs 50/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 54/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 30/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 58/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo T4x (99/100 vs 54/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo T4x (99/100 vs 66/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo T4x (78/100 vs 30/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo T4x (92/100 vs 58/100). In the "portability" category, the Vivo T4x notably outperforms the Vivo iQOO 15 Ultra (56/100 vs 35/100).
Specs comparison
| Specification | Vivo iQOO 15 Ultra | Vivo T4x | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | MediaTek Dimensity 7300 | |
| AnTuTu | 4602290 | 825052 | |
| Geekbench Single | 3639 | 1011 | |
| Geekbench Multi | 11047 | 2813 | |
| Display | 6.8" LTPO AMOLED | 6.7" IPS LCD | |
| Resolution | 1440x3168 | 1080x2408 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7400 mAh | 6500 mAh | |
| Charging | 120W | 44W | |
| Wireless charging | 50W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 8 MP | |
| RAM | 12GB / 16GB / 24GB | 6GB / 8GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB | |
| OS | Android 16 | Android 15, Funtouch 15 | |
| Brightness (peak) | 8000 nits | 1050 nits | |
| NFC | yes | no | |
| Protection | IP68 | IP64 | |
| Dimensions | 163.7×76.8×8.7 mm | 165.7×76.3×8.1 mm | |
| Weight | 227 g | 204 g | |
| Launch price | $799 | — |
Camera comparison
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo T4x
- Main: 50MP f/1.8
- Front: 8MP
Display comparison
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo T4x
- 6.7" IPS LCD
- Resolution: 1080x2408
- Refresh rate: 120 Hz
Battery and charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Vivo T4x
- 6500 mAh
- Wired: 44W
- No wireless charging
Overall performance score
We compared Vivo iQOO 15 Ultra and Vivo T4x, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Vivo T4x by 457.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Vivo T4x
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo T4x (99/100 vs 54/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo T4x (99/100 vs 66/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo T4x (78/100 vs 30/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo T4x (92/100 vs 58/100).
portability
In the "portability" category, the Vivo T4x notably outperforms the Vivo iQOO 15 Ultra (56/100 vs 35/100).
Frequently asked questions
Which is better: the Vivo iQOO 15 Ultra or the Vivo T4x?
The Vivo iQOO 15 Ultra significantly outperforms the Vivo T4x by 39 points (89/100 vs 50/100).
What is the rating of the Vivo iQOO 15 Ultra and the Vivo T4x?
The Vivo iQOO 15 Ultra has a MobileRank rating of 89/100, the Vivo T4x — 50/100.
Which has the better camera: the Vivo iQOO 15 Ultra or the Vivo T4x?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 30/100).
Which is more powerful: the Vivo iQOO 15 Ultra or the Vivo T4x?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 54/100).
Should you choose the Vivo iQOO 15 Ultra over the Vivo T4x?
The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.