Nubia Z70S Ultra vs Vivo iQOO 15 Ultra
The Nubia Z70S Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $600 and $799. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 81/100 (a 8-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 6600); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 3,228,937).
Profile comparison
Category scores
Nubia Z70S Ultra
Vivo iQOO 15 Ultra
What makes Nubia Z70S Ultra better?
- Cheaper at launch: $600 vs $799
- Better camera (79/100 vs 78/100)
- Better portability (36/100 vs 35/100)
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 3228937
- Better Geekbench Single: 3639 vs 3013
- Better Geekbench Multi: 11047 vs 9287
- Bigger battery: 7400 vs 6600 mAh
- Faster charging: 120W vs 80W
- Lighter: 227g vs 228g
- Higher performance (99/100 vs 92/100)
- Longer battery life (92/100 vs 66/100)
- Better display (99/100 vs 93/100)
Comparison verdict
Comparing the Nubia Z70S Ultra vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 8 points higher (89/100 vs 81/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 66/100). Value score: Nubia Z70S Ultra — 76/100, Vivo iQOO 15 Ultra — 92/100; 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 is a bit better (99/100 vs 92/100). In the "display" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 93/100). In the "camera" category, the Nubia Z70S Ultra and the Vivo iQOO 15 Ultra are nearly equal (79/100 vs 78/100). In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Nubia Z70S Ultra (92/100 vs 66/100). In the "portability" category, the Nubia Z70S Ultra and the Vivo iQOO 15 Ultra are nearly equal (36/100 vs 35/100).
Specs comparison
| Specification | Nubia Z70S Ultra | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 3228937 | 4602290 | |
| Geekbench Single | 3013 | 3639 | |
| Geekbench Multi | 9287 | 11047 | |
| Display | 6.8" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1216x2688 | 1440x3168 | |
| Refresh rate | 144 Hz | 144 Hz | |
| Battery | 6600 mAh | 7400 mAh | |
| Charging | 80W | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 64 MP | 50 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 12GB / 16GB / 24GB | 12GB / 16GB / 24GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 15 | Android 16 | |
| Brightness (peak) | 2000 nits | 8000 nits | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP68 | |
| Dimensions | 164.3×77.1×8.6 mm | 163.7×76.8×8.7 mm | |
| Weight | 228 g | 227 g | |
| Launch price | $600 | $799 |
Camera comparison
Nubia Z70S Ultra
- Main: 50MP f/1.7
- Ultrawide: 50MP
- Telephoto: 64MP
- Front: 16MP
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Nubia Z70S Ultra
- 6.8" AMOLED
- Resolution: 1216x2688
- Refresh rate: 144 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Nubia Z70S Ultra
- 6600 mAh
- NanoReview test: web browsing 7:53 hrs, total 22:56 hrs
- Wired: 80W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Overall performance score
We compared Nubia Z70S Ultra and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Nubia Z70S Ultra by 29.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $199. Nubia Z70S Ultra was $199 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 92/100).
display
In the "display" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 93/100).
camera
In the "camera" category, the Nubia Z70S Ultra and the Vivo iQOO 15 Ultra are nearly equal (79/100 vs 78/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Nubia Z70S Ultra (92/100 vs 66/100).
portability
In the "portability" category, the Nubia Z70S Ultra and the Vivo iQOO 15 Ultra are nearly equal (36/100 vs 35/100).
Frequently asked questions
Which is better: the Nubia Z70S Ultra or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra edges out the Nubia Z70S Ultra by just 8 points — the two devices are very close in overall level.
What is the rating of the Nubia Z70S Ultra and the Vivo iQOO 15 Ultra?
The Nubia Z70S Ultra has a MobileRank rating of 81/100, the Vivo iQOO 15 Ultra — 89/100.
Which is more powerful: the Nubia Z70S Ultra or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 92/100).
Should you choose the Nubia Z70S Ultra over the Vivo iQOO 15 Ultra?
The Nubia Z70S Ultra is a better fit for gamers and power users, budget-conscious buyers. The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.