Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | OnePlus 15 | Realme - GT 7 Pro |
|---|---|---|
| Front camera | 32 MP | 16 MP |
| Battery capacity | 7500 mAh | 5800 mAh |
| Weight | 211 g | 222.8 g |
| AnTuTu | 2950000 | 2680000 |
| Water resistance | IP69 | IP68 |
| Promised OS updates | 5 years | 4 years |
Between the OnePlus 15 and GT 7 Pro, the OnePlus 15 comes out ahead in front camera / battery capacity, while the GT 7 Pro wins on several specs. Overall, the OnePlus 15 scores 76.7 and the GT 7 Pro scores 71.3 on our Mars Score.
Which should you buy?
The OnePlus 15 edges ahead on the Mars Score (76.7 vs 71.3), but the 5.4-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the OnePlus 15 if your top frustration with your current device is running out of charge before the day ends — endurance is the lead spec here. The biggest gaps in its favor are front camera, battery capacity, weight, among others. The single most decisive one: Front camera — 100.00% more. 32 MP vs 16 MP.
The GT 7 Pro similarly does not carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable ram, main camera, screen size, so those specs do not separate the two — focus on the differences below.
Bottom line: the OnePlus 15 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Which should you buy: OnePlus 15 or Realme - GT 7 Pro?
OnePlus 15 leads the current Mars Score by 5.4 points.The more useful decision is the trade-off behind that result: compare battery capacity against the way you will actually use the product.
Choose OnePlus 15 if…
OnePlus 15 has the measurable edge on front cam mp, battery capacity mah, weight g.
Choose Realme - GT 7 Pro if…
Realme - GT 7 Pro does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why OnePlus 15 wins
- ▲Front camera — 100.00% more. 32 MP vs 16 MP.
- ▲Battery capacity — 29.31% more. 7500 mAh vs 5800 mAh.
- ▲Weight — 11.80 g less. 211 vs 222.8.
- ▲AnTuTu — 10.07% more. 2950000 vs 2680000.
- ▲Water resistance: IP69 (vs IP68).
- ▲Promised OS updates: 5 (vs 4).
Why Realme - GT 7 Pro wins
- No decisive advantages.
Spec comparison
Design
| Spec | OnePlus 15 | Realme - GT 7 Pro |
|---|---|---|
| Weight | 211 glead | 222.8 g |
| Thickness | 8.3 mmlead | 8.55 mm |
| Water resistanceⓘ | IP69lead | IP68 |
| Form factor | bar | bar |
Display
| Spec | OnePlus 15 | Realme - GT 7 Pro |
|---|---|---|
| Screen size | 6.78 " | 6.78 " |
| Pixel densityⓘ | 450 ppi | 450 ppi |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Peak brightnessⓘ | 4500 nits | 6500 nitslead |
Performance
| Spec | OnePlus 15 | Realme - GT 7 Pro |
|---|---|---|
| RAMⓘ | 16 GB | 16 GB |
| Storageⓘ | 512 GB | 512 GB |
| AnTuTuⓘ | 2950000lead | 2680000 |
| CPU total clockⓘ | 23.6 GHzlead | 22.8 GHz |
Cameras
| Spec | OnePlus 15 | Realme - GT 7 Pro |
|---|---|---|
| Main cameraⓘ | 50 MP | 50 MP |
| Front camera | 32 MPlead | 16 MP |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | OnePlus 15 | Realme - GT 7 Pro |
|---|---|---|
| Battery capacityⓘ | 7500 mAhlead | 5800 mAh |
| Wired chargingⓘ | 120 W | 120 W |
| Wireless chargingⓘ | 50 W | 50 W |
Connectivity
| Spec | OnePlus 15 | Realme - GT 7 Pro |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | OnePlus 15 | Realme - GT 7 Pro |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 5 yearslead | 4 years |
Frequently asked
Which has better battery, OnePlus 15 or GT 7 Pro?+
OnePlus 15 has 29.3% more battery — 7500 mAh vs 5800 mAh.
Which is lighter, OnePlus 15 or GT 7 Pro?+
OnePlus 15 is 12g lighter — 211g vs 222.8g.
Is OnePlus 15 waterproof?+
OnePlus 15 has an IP69 rating.
Does GT 7 Pro support 5G?+
Yes, GT 7 Pro supports 5G.
Which has a better camera, OnePlus 15 or GT 7 Pro?+
GT 7 Pro has a 50 MP main camera vs 50 MP.