The flagship battle of 2025 is fierce, and the OnePlus 15 vs iQOO 15 vs Realme GT 8 Pro comparison is easily one of the most exciting matchups this year. All three brands bring cutting-edge designs, powerful processors, lightning-fast charging, and premium cameras. In this detailed comparison, we break down every aspect—design, display, performance, camera, battery, software, pricing, pros & cons, and finally, which one you should buy.
Design & Build Quality Comparison
Design & Build Table : OnePlus 15 vs iQOO 15 vs Realme GT 8
| Feature | iQOO 15 | Realme GT 8 Pro | OnePlus 15 |
|---|---|---|---|
| Materials | Glass + metal frame | Glass back + aluminium | Titanium alloy frame |
| Weight | ~204g | ~198g | ~205g |
| Thickness | 8.2mm | 8.1mm | 8.3mm |
| IP Rating | IP68 | IP65 | IP68 |
| In-hand Feel | Sporty, solid grip | Lightweight & premium | Ultra-premium, slightly heavier |
Explanation
The OnePlus 15 vs iQOO 15 vs Realme GT 8 Pro design comparison shows three distinct identities:
- iQOO 15 focuses on a sporty performance look.
- Realme GT 8 Pro keeps things clean, light, and stylish.
- OnePlus 15 delivers the most premium feel with its titanium frame and curved design.
Display Comparison
Display Table : OnePlus 15 vs iQOO 15 vs Realme GT 8
| Feature | iQOO 15 | Realme GT 8 Pro | OnePlus 15 |
|---|---|---|---|
| Size | 6.78-inch | 6.78-inch | 6.82-inch |
| Type | AMOLED | 1.5K AMOLED | LTPO AMOLED |
| Refresh Rate | 144Hz | 144Hz | 120Hz LTPO 1–120Hz |
| Peak Brightness | 4500 nits | 6000 nits | 4500 nits |
| HDR | HDR10+ | HDR10+ | Dolby Vision |
Explanation
Realme GT 8 Pro takes the lead in brightness, while OnePlus 15 provides the most color-accurate, cinematic feel. iQOO 15 sits right in between with a gaming-friendly display and ultra-smooth refresh rate.
Performance & Hardware
Performance Table : OnePlus 15 vs iQOO 15 vs Realme GT 8
| Feature | iQOO 15 | Realme GT 8 Pro | OnePlus 15 |
|---|---|---|---|
| Processor | Snapdragon 8 Gen 4 | Snapdragon 8 Gen 4 | Snapdragon 8 Gen 4 |
| GPU | Adreno next-gen | Adreno next-gen | Adreno next-gen |
| RAM | 12/16GB | 12/16GB | 12/16GB LPDDR5X |
| Storage | UFS 4.0 | UFS 4.0 | UFS 4.0 |
| Gaming | Best thermals | Balanced | Most stable FPS |
| Cooling System | Large vapor chamber | AI-assisted cooling | Graphene + liquid cooling |
Explanation
All three run on Snapdragon 8 Gen 4, so raw CPU power is identical.
But performance differs:
- iQOO 15 is the best for hardcore gaming.
- OnePlus 15 delivers the most stable, consistent performance.
- Realme GT 8 Pro offers efficient performance at a slightly lower price.
Camera Comparison
Camera Table : OnePlus 15 vs iQOO 15 vs Realme GT 8
| Camera Aspect | iQOO 15 | Realme GT 8 Pro | OnePlus 15 |
|---|---|---|---|
| Main Sensor | 50MP GN5 | 50MP Sony LYT sensor | 50MP Sony LYT900 |
| Ultrawide | 48MP | 32MP | 48MP |
| Telephoto | 64MP periscope | 50MP 3x zoom | 64MP periscope 6x |
| Low-light | Good | Very good | Best |
| Video | 8K | 8K | 8K + Dolby Vision |
Explanation
The OnePlus 15 vs iQOO 15 vs Realme GT 8 Pro camera battle is dominated by OnePlus 15, thanks to its LYT900 main sensor and flagship-level computational photography. Realme GT 8 Pro delivers the best daytime performance for the price, while iQOO 15 is more performance-oriented than camera-focused.
Battery Life & Charging Performance
Battery Table
| Feature | iQOO 15 | Realme GT 8 Pro | OnePlus 15 |
|---|---|---|---|
| Battery | 5100mAh | 5500mAh | 5400mAh |
| Charging Speed | 120W | 150W | 100W + 50W wireless |
| Endurance | Excellent | Best | Very good |
| Heat Efficiency | Coolest | Efficient | Moderate |
Explanation
Realme GT 8 Pro offers the biggest battery and fastest charging. iQOO 15 runs cooler during long gaming sessions. OnePlus 15 has the advantage of wireless charging, which is missing in the other two.
Software & UI Experience
| Feature | iQOO 15 | Realme GT 8 Pro | OnePlus 15 |
|---|---|---|---|
| UI | FuntouchOS | ColorOS | OxygenOS |
| Android Version | Android 15 | Android 15 | Android 15 |
| Updates | 3 years | 4 years | 5 years |
| Smoothness | Fast | Feature-rich | Cleanest & smoothest |
Explanation
OxygenOS on OnePlus 15 offers the cleanest experience with the longest update support. ColorOS is feature-heavy, while FuntouchOS focuses more on speed and gaming optimizations.
Audio, Haptics & Connectivity
| Feature | iQOO 15 | Realme GT 8 Pro | OnePlus 15 |
|---|---|---|---|
| Speakers | Stereo | Stereo | Stereo with spatial audio |
| Haptics | Strong | Decent | Best |
| 5G Bands | Extensive | Extensive | Extensive |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 7 | Wi-Fi 7 |
| Extras | IR Blaster | NFC | Alert slider |
Explanation
OnePlus 15 offers class-leading haptics and the signature alert slider. iQOO keeps things gamer-friendly, while Realme gives you all the essentials.
Pricing & Value for Money
(Estimated pricing based on India market patterns)
| Model | Expected Price | Flipkart Search Link |
|---|---|---|
| iQOO 15 | ₹55,999 | iQOO 15 | iQOO Global |
| Realme GT 8 Pro | ₹49,999 | realme GT 8 Pro (256 GB Storage, 12 GB RAM) |
| OnePlus 15 | ₹69,999 | OnePlus 15 5G (256 GB Storage, 12 GB RAM) |
Explanation
- Realme GT 8 Pro offers unmatched value for money.
- iQOO 15 is best for gamers.
- OnePlus 15 is the premium all-rounder for users who want the best of everything.
Pros & Cons of Each Smartphone
iQOO 15
Pros:
- Best gaming performance
- Excellent cooling
- Fast charging
Cons:
- Cameras not as strong
- Software bloat
Realme GT 8 Pro
Pros:
- Best value for money
- Outstanding display brightness
- Fastest charging
Cons:
- Build quality slightly behind
- Telephoto performance average
OnePlus 15
Pros:
- Best camera quality
- Premium build with titanium
- Clean UI + long updates
Cons:
- Most expensive
- Slightly heavier
Final Verdict: Which Flagship Should You Buy?
The OnePlus 15 vs iQOO 15 vs Realme GT 8 Pro battle ends with three clear winners for different users:
- For Gamers:
iQOO 15 — Best thermals & ultra-stable gaming. - For Value Seekers:
Realme GT 8 Pro — Flagship specs at an unbeatable price. - For Premium Users & Camera Lovers:
OnePlus 15 — Best cameras, best software, best build.
No matter which one you choose, each device delivers flagship-level performance in its own style.
Read More :
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