iPhone 18 Pro vs OnePlus 9 Pro
Head-to-head specifications
| Metric | iPhone 18 Pro | OnePlus 9 Pro | Difference |
|---|---|---|---|
| AnTuTu v10 score | 2,980,000 | 915,852 | +225.4% |
| Chipset | Apple A20 | Snapdragon 888 | — |
| Display | 6.3" 120 Hz | 6.7" 120 Hz | — |
| Battery (mAh) | 3,700 | 4,500 | -17.8% |
| Rear cameras | 48+48+48+LiDAR MP | 48+8+50+2 MP | — |
| Front camera (MP) | 24 | 16 | — |
| RAM / storage (base) | 12 GB / 256 GB | 8 GB / 128 GB | — |
| Max configuration | 12 GB / 1024 GB | 12 GB / 256 GB | — |
| Weight (g) | 192 | 197 | -2.5% |
| Connectivity / unlock | 5G · No - Face ID | 5G · Under-display | — |
| Launch price (USD) | $1,149–$1,549 | $969–$1,069 | +18.6% |
- iPhone 18 Pro leads on raw performance by about 225% on AnTuTu v10 (Apple A20 vs Snapdragon 888).
- OnePlus 9 Pro is the cheaper option at launch pricing, though these phones launched 5 years apart — street prices will differ from launch MSRPs.
Verdict: iPhone 18 Pro or OnePlus 9 Pro?
iPhone 18 Pro advantages
- Raw performance (+69%)
- Memory (+33%)
OnePlus 9 Pro advantages
- Battery capacity (+18%)
- Camera resolution (+4%)
- Affordability (+16%)
Which should you choose?
- Choose the iPhone 18 Pro if you game or want the most headroom for years of updates.
- Choose the OnePlus 9 Pro if you need all-day (or two-day) battery life.
- Choose the iPhone 18 Pro if you multitask heavily or keep many apps alive.
Value for money
iPhone 18 Pro delivers more performance per dollar, making it the better value of the two at their listed prices.
iPhone 18 Pro vs OnePlus 9 Pro: which should you choose?
iPhone 18 Pro — Apple iOS 20 smartphone (2026) with a 6.3-inch 120 Hz Super Retina XDR OLED, Apple A20, 3700 mAh battery and 48MP main camera, scoring about 2,980,000 on AnTuTu v10; launched at $1,149.
OnePlus 9 Pro — OnePlus Android 11 smartphone (2021) with a 6.7-inch 120 Hz LTPO Fluid2 AMOLED, Snapdragon 888, 4500 mAh battery and 50MP main camera, scoring about 915,852 on AnTuTu v10; launched at $969.
iPhone 18 Pro vs OnePlus 9 Pro: iPhone 18 Pro is the faster phone. iPhone 18 Pro leads on raw performance by about 225% on AnTuTu v10 (Apple A20 vs Snapdragon 888). OnePlus 9 Pro is the cheaper option at launch pricing, though these phones launched 5 years apart — street prices will differ from launch MSRPs.
Performance and everyday use
The iPhone 18 Pro is the faster device on raw benchmarks (2,980,000 vs 915,852 on AnTuTu v10), running the Apple A20 against the Snapdragon 888. For messaging, browsing and social apps both feel instant — the gap matters most for gaming and long-term headroom.
Display and battery
iPhone 18 Pro carries a 6.3-inch 120 Hz Super Retina XDR OLED against a 6.7-inch 120 Hz LTPO Fluid2 AMOLED on the OnePlus 9 Pro. Batteries are 3,700 and 4,500 mAh — though software tuning and chipset efficiency shape real-world endurance as much as capacity.
Cameras, storage and price
Rear arrays are 48+48+48+LiDAR MP versus 48+8+50+2 MP, with 24 MP and 16 MP front cameras. Base configurations start at 12 GB / 256 GB and 8 GB / 128 GB. The OnePlus 9 Pro is the more affordable at about $969 launch price, which may matter more than a small spec gap.
The verdict
Both are credible choices in the smartphone comparison space; the specification table above lays out every metric so you can weigh the trade-offs that matter to you. Pick the one whose strengths line up with how you will actually use it.
Frequently asked questions
Is the iPhone 18 Pro better than the OnePlus 9 Pro?
These two are closely matched — the right pick comes down to which specific strengths you value and the price you actually pay. iPhone 18 Pro leads on raw performance by about 225% on AnTuTu v10 (Apple A20 vs Snapdragon 888).
What is the main difference between the iPhone 18 Pro and the OnePlus 9 Pro?
iPhone 18 Pro leads on raw performance by about 225% on AnTuTu v10 (Apple A20 vs Snapdragon 888). OnePlus 9 Pro is the cheaper option at launch pricing, though these phones launched 5 years apart — street prices will differ from launch MSRPs.
Which is better value?
iPhone 18 Pro delivers more performance per dollar, making it the better value of the two at their listed prices.
Which should I choose?
Choose the iPhone 18 Pro if you game or want the most headroom for years of updates. Choose the OnePlus 9 Pro if you need all-day (or two-day) battery life.
Methodology
Smartphones are compared on AnTuTu v10 benchmark scores, chipset, display size and refresh rate, battery capacity, rear and front camera resolution, RAM and storage across launch variants, weight, and launch pricing (USD). Each model shows its base variant with the top-spec configuration noted where multiple variants exist. Benchmark scores reflect the listed chipset variant; real-world battery life and camera quality depend on software tuning, not just hardware numbers.