Vivo iQOO 15 Ultra vs Vivo T4 Ultra
The Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Vivo T4 Ultra (2025) runs on the MediaTek Dimensity 9300+; launch prices were $799 and $449. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 75/100 (a 14-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 5500); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 2,286,808); the Vivo T4 Ultra is noticeably lighter (192g vs 227g).
Profile comparison
Category scores
Vivo iQOO 15 Ultra
Vivo T4 Ultra
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 2286808
- Better Geekbench Single: 3639 vs 2249
- Better Geekbench Multi: 11047 vs 7352
- Bigger battery: 7400 vs 5500 mAh
- Faster charging: 120W vs 90W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (99/100 vs 83/100)
- Better camera (78/100 vs 61/100)
- Longer battery life (92/100 vs 75/100)
- Better display (99/100 vs 85/100)
What makes Vivo T4 Ultra better?
- Lighter: 192g vs 227g
- Cheaper at launch: $449 vs $799
- Better portability (68/100 vs 35/100)
Comparison verdict
Comparing the Vivo iQOO 15 Ultra vs the Vivo T4 Ultra, the Vivo iQOO 15 Ultra scores 14 points higher (89/100 vs 75/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 83/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 61/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 75/100). Value score: Vivo iQOO 15 Ultra — 92/100, Vivo T4 Ultra — 74/100; 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 15 Ultra notably outperforms the Vivo T4 Ultra (99/100 vs 83/100). In the "display" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 85/100). In the "camera" category, the Vivo iQOO 15 Ultra notably outperforms the Vivo T4 Ultra (78/100 vs 61/100). In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Vivo T4 Ultra (92/100 vs 75/100). In the "portability" category, the Vivo T4 Ultra significantly outperforms the Vivo iQOO 15 Ultra (68/100 vs 35/100).
Specs comparison
| Specification | Vivo iQOO 15 Ultra | Vivo T4 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | MediaTek Dimensity 9300+ | |
| AnTuTu | 4602290 | 2286808 | |
| Geekbench Single | 3639 | 2249 | |
| Geekbench Multi | 11047 | 7352 | |
| Display | 6.8" LTPO AMOLED | 6.7" AMOLED | |
| Resolution | 1440x3168 | 2800x1260 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7400 mAh | 5500 mAh | |
| Charging | 120W | 90W | |
| Wireless charging | 50W | — | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 8 MP | |
| Telephoto | 50 MP | 50 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 12GB / 16GB / 24GB | 8GB / 12GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 16 | Android 15 | |
| Brightness (peak) | 8000 nits | — | |
| NFC | yes | — | |
| Protection | IP68 | — | |
| Dimensions | 163.7×76.8×8.7 mm | — | |
| Weight | 227 g | 192 g | |
| Launch price | $799 | $449 |
Camera comparison
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo T4 Ultra
- Main: 50MP f/1.88
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo T4 Ultra
- 6.7" AMOLED
- Resolution: 2800x1260
- Refresh rate: 120 Hz
Battery and charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Vivo T4 Ultra
- 5500 mAh
- Wired: 90W
- Wireless charging: no data
Overall performance score
We compared Vivo iQOO 15 Ultra and Vivo T4 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Vivo T4 Ultra by 101.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $350. Vivo T4 Ultra was $350 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra notably outperforms the Vivo T4 Ultra (99/100 vs 83/100).
display
In the "display" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 85/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra notably outperforms the Vivo T4 Ultra (78/100 vs 61/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Vivo T4 Ultra (92/100 vs 75/100).
portability
In the "portability" category, the Vivo T4 Ultra significantly outperforms the Vivo iQOO 15 Ultra (68/100 vs 35/100).
Frequently asked questions
Which is better: the Vivo iQOO 15 Ultra or the Vivo T4 Ultra?
The Vivo iQOO 15 Ultra is noticeably better than the Vivo T4 Ultra — the overall rating gap is 14 points.
What is the rating of the Vivo iQOO 15 Ultra and the Vivo T4 Ultra?
The Vivo iQOO 15 Ultra has a MobileRank rating of 89/100, the Vivo T4 Ultra — 75/100.
Which has the better camera: the Vivo iQOO 15 Ultra or the Vivo T4 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 61/100).
Which is more powerful: the Vivo iQOO 15 Ultra or the Vivo T4 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 83/100).
Should you choose the Vivo iQOO 15 Ultra over the Vivo T4 Ultra?
The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Vivo T4 Ultra is a better fit for gamers and power users, those who care about battery life.