Vivo iQOO 15 vs Vivo T4 Ultra
The Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Vivo T4 Ultra (2025) runs on the MediaTek Dimensity 9300+; launch prices were $599 and $449. By overall MobileRank rating, the Vivo iQOO 15 leads — 88/100 vs 75/100 (a 13-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 5500); the Vivo iQOO 15 is faster in AnTuTu (3,950,082 vs 2,286,808); the Vivo T4 Ultra is noticeably lighter (192g vs 215g).
Profile comparison
Category scores
Vivo iQOO 15
Vivo T4 Ultra
What makes Vivo iQOO 15 better?
- Higher AnTuTu: 3950082 vs 2286808
- Better Geekbench Single: 3639 vs 2249
- Better Geekbench Multi: 11047 vs 7352
- Bigger battery: 7000 vs 5500 mAh
- Faster charging: 100W vs 90W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (98/100 vs 83/100)
- Better camera (78/100 vs 61/100)
- Longer battery life (85/100 vs 75/100)
- Better display (99/100 vs 85/100)
What makes Vivo T4 Ultra better?
- Lighter: 192g vs 215g
- Cheaper at launch: $449 vs $599
- Better portability (68/100 vs 48/100)
Comparison verdict
Comparing the Vivo iQOO 15 vs the Vivo T4 Ultra, the Vivo iQOO 15 scores 13 points higher (88/100 vs 75/100). In the "performance" category, the Vivo iQOO 15 leads (98/100 vs 83/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 61/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 75/100). Value score: Vivo iQOO 15 — 90/100, 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 notably outperforms the Vivo T4 Ultra (98/100 vs 83/100). In the "display" category, the Vivo iQOO 15 is a bit better (99/100 vs 85/100). In the "camera" category, the Vivo iQOO 15 notably outperforms the Vivo T4 Ultra (78/100 vs 61/100). In the "battery" category, the Vivo iQOO 15 is a bit better (85/100 vs 75/100). In the "portability" category, the Vivo T4 Ultra notably outperforms the Vivo iQOO 15 (68/100 vs 48/100).
Specs comparison
| Specification | Vivo iQOO 15 | Vivo T4 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | MediaTek Dimensity 9300+ | |
| AnTuTu | 3950082 | 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 | 7000 mAh | 5500 mAh | |
| Charging | 100W | 90W | |
| Wireless charging | 40W | — | |
| 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 | 8GB / 12GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 16 | Android 15 | |
| Brightness (peak) | 6000 nits | — | |
| NFC | yes | — | |
| Protection | IP68 | — | |
| Dimensions | 163.7×76.8×8.1 mm | — | |
| Weight | 215 g | 192 g | |
| Launch price | $599 | $449 |
Camera comparison
Vivo iQOO 15
- 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
- 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
- 7000 mAh
- NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
- Wired: 100W
- Wireless: 40W
Vivo T4 Ultra
- 5500 mAh
- Wired: 90W
- Wireless charging: no data
Overall performance score
We compared Vivo iQOO 15 and Vivo T4 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Vivo T4 Ultra by 72.7% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $150. Vivo T4 Ultra was $150 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 notably outperforms the Vivo T4 Ultra (98/100 vs 83/100).
display
In the "display" category, the Vivo iQOO 15 is a bit better (99/100 vs 85/100).
camera
In the "camera" category, the Vivo iQOO 15 notably outperforms the Vivo T4 Ultra (78/100 vs 61/100).
battery
In the "battery" category, the Vivo iQOO 15 is a bit better (85/100 vs 75/100).
portability
In the "portability" category, the Vivo T4 Ultra notably outperforms the Vivo iQOO 15 (68/100 vs 48/100).
Frequently asked questions
Which is better: the Vivo iQOO 15 or the Vivo T4 Ultra?
The Vivo iQOO 15 is noticeably better than the Vivo T4 Ultra — the overall rating gap is 13 points.
What is the rating of the Vivo iQOO 15 and the Vivo T4 Ultra?
The Vivo iQOO 15 has a MobileRank rating of 88/100, the Vivo T4 Ultra — 75/100.
Which has the better camera: the Vivo iQOO 15 or the Vivo T4 Ultra?
The Vivo iQOO 15 leads on camera score (78/100 vs 61/100).
Which is more powerful: the Vivo iQOO 15 or the Vivo T4 Ultra?
The Vivo iQOO 15 leads on performance (98/100 vs 83/100).
Should you choose the Vivo iQOO 15 over the Vivo T4 Ultra?
The Vivo iQOO 15 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.