Nothing Phone (4b) vs Vivo iQOO 15
The Nothing Phone (4b) (2026) runs on the Qualcomm Snapdragon 6 Gen 4, while the Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $355 and $599. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 55/100 (a 31-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 5200); the Vivo iQOO 15 is faster in AnTuTu (3,758,268 vs 975,254).
Profile comparison
Category scores
Nothing Phone (4b)
Vivo iQOO 15
What makes Nothing Phone (4b) better?
- Lighter: 210g vs 215g
- Cheaper at launch: $355 vs $599
- Overall rating 55/100
What makes Vivo iQOO 15 better?
- Higher AnTuTu: 3758268 vs 975254
- Better Geekbench Single: 3013 vs 1087
- Better Geekbench Multi: 9287 vs 3148
- Bigger battery: 7000 vs 5200 mAh
- Faster charging: 100W vs 33W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (94/100 vs 58/100)
- Better camera (78/100 vs 35/100)
- Longer battery life (85/100 vs 59/100)
- Better display (99/100 vs 79/100)
- Better portability (48/100 vs 47/100)
Comparison verdict
Comparing the Nothing Phone (4b) vs the Vivo iQOO 15, the Vivo iQOO 15 scores 31 points higher (86/100 vs 55/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 58/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 35/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 59/100). Value score: Nothing Phone (4b) — 42/100, Vivo iQOO 15 — 86/100; 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 significantly outperforms the Nothing Phone (4b) (94/100 vs 58/100). In the "display" category, the Vivo iQOO 15 notably outperforms the Nothing Phone (4b) (99/100 vs 79/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Nothing Phone (4b) (78/100 vs 35/100). In the "battery" category, the Vivo iQOO 15 notably outperforms the Nothing Phone (4b) (85/100 vs 59/100). In the "portability" category, the Vivo iQOO 15 and the Nothing Phone (4b) are nearly equal (48/100 vs 47/100).
Specs comparison
| Specification | Nothing Phone (4b) | Vivo iQOO 15 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 6 Gen 4 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 975254 | 3758268 | |
| Geekbench Single | 1087 | 3013 | |
| Geekbench Multi | 3148 | 9287 | |
| Display | 6.8" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1080x2344 | 1440x3168 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 5200 mAh | 7000 mAh | |
| Charging | 33W | 100W | |
| Wireless charging | — | 40W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 2000 nits | 6000 nits | |
| NFC | yes | yes | |
| Protection | IP64 | IP68 | |
| Dimensions | 164.4×78.2×8.6 mm | 163.7×76.8×8.1 mm | |
| Weight | 210 g | 215 g | |
| Launch price | $355 | $599 |
Camera comparison
Nothing Phone (4b)
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Vivo iQOO 15
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Nothing Phone (4b)
- 6.8" AMOLED
- Resolution: 1080x2344
- Refresh rate: 120 Hz
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Nothing Phone (4b)
- 5200 mAh
- Wired: 33W
- Wireless charging: no data
Vivo iQOO 15
- 7000 mAh
- NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
- Wired: 100W
- Wireless: 40W
Overall performance score
We compared Nothing Phone (4b) and Vivo iQOO 15, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Nothing Phone (4b) by 74.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $244. Nothing Phone (4b) was $244 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the Nothing Phone (4b) (94/100 vs 58/100).
display
In the "display" category, the Vivo iQOO 15 notably outperforms the Nothing Phone (4b) (99/100 vs 79/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the Nothing Phone (4b) (78/100 vs 35/100).
battery
In the "battery" category, the Vivo iQOO 15 notably outperforms the Nothing Phone (4b) (85/100 vs 59/100).
portability
In the "portability" category, the Vivo iQOO 15 and the Nothing Phone (4b) are nearly equal (48/100 vs 47/100).
Frequently asked questions
Which is better: the Nothing Phone (4b) or the Vivo iQOO 15?
The Vivo iQOO 15 significantly outperforms the Nothing Phone (4b) by 31 points (86/100 vs 55/100).
What is the rating of the Nothing Phone (4b) and the Vivo iQOO 15?
The Nothing Phone (4b) has a MobileRank rating of 55/100, the Vivo iQOO 15 — 86/100.
Which has the better camera: the Nothing Phone (4b) or the Vivo iQOO 15?
The Vivo iQOO 15 leads on camera score (78/100 vs 35/100).
Which is more powerful: the Nothing Phone (4b) or the Vivo iQOO 15?
The Vivo iQOO 15 leads on performance (94/100 vs 58/100).
Should you choose the Nothing Phone (4b) over the Vivo iQOO 15?
The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.