Xiaomi 15 Ultra vs Realme GT Neo 3
Head-to-head specifications
| Metric | Xiaomi 15 Ultra | Realme GT Neo 3 | Difference |
|---|---|---|---|
| AnTuTu v10 score | 2,758,993 | 855,509 | +222.5% |
| Chipset | Snapdragon 8 Elite | Dimensity 8100 | — |
| Display | 6.7" 120 Hz | 6.7" 120 Hz | — |
| Battery (mAh) | 600 | 5,000 | -88.0% |
| Rear cameras | 50+200+50+50 MP | 50+8+2 MP | — |
| Front camera (MP) | 32 | 16 | — |
| RAM / storage (base) | 12 GB / 256 GB | 8 GB / 128 GB | — |
| Max configuration | 16 GB / 1024 GB | 12 GB / 256 GB | — |
| Weight (g) | 225 | 188 | +19.7% |
| Connectivity / unlock | 5G · Under-display | 5G · Under-display | — |
| Launch price (USD) | $1,299–$1,549 | $499–$539 | +160.3% |
- Xiaomi 15 Ultra leads on raw performance by about 222% on AnTuTu v10 (Snapdragon 8 Elite vs Dimensity 8100).
- Realme GT Neo 3 is the cheaper option at launch pricing, though these phones launched 3 years apart — street prices will differ from launch MSRPs.
Verdict: Xiaomi 15 Ultra or GT Neo 3?
Xiaomi 15 Ultra advantages
- Raw performance (+69%)
- Camera resolution (+75%)
- Memory (+33%)
Realme GT Neo 3 advantages
- Battery capacity (+88%)
- Lightness (+16%)
- Affordability (+62%)
Which should you choose?
- Choose the Xiaomi 15 Ultra if you game or want the most headroom for years of updates.
- Choose the Realme GT Neo 3 if you need all-day (or two-day) battery life.
- Choose the Xiaomi 15 Ultra if photography is your priority.
Value for money
Xiaomi 15 Ultra delivers more performance per dollar, making it the better value of the two at their listed prices.
Xiaomi 15 Ultra vs Realme GT Neo 3: which should you choose?
Xiaomi 15 Ultra — Xiaomi Android 15 smartphone (2025) with a 6.73-inch 120 Hz LTPO AMOLED, Snapdragon 8 Elite, 600 mAh battery and 200MP main camera, scoring about 2,758,993 on AnTuTu v10; launched at $1,299.
Realme GT Neo 3 — Realme Android 12 smartphone (2022) with a 6.7-inch 120 Hz AMOLED, Dimensity 8100, 5000 mAh battery and 50MP main camera, scoring about 855,509 on AnTuTu v10; launched at $499.
Xiaomi 15 Ultra vs Realme GT Neo 3: Xiaomi 15 Ultra is the faster phone. Xiaomi 15 Ultra leads on raw performance by about 222% on AnTuTu v10 (Snapdragon 8 Elite vs Dimensity 8100). Realme GT Neo 3 is the cheaper option at launch pricing, though these phones launched 3 years apart — street prices will differ from launch MSRPs.
Performance and everyday use
The Xiaomi 15 Ultra is the faster device on raw benchmarks (2,758,993 vs 855,509 on AnTuTu v10), running the Snapdragon 8 Elite against the Dimensity 8100. For messaging, browsing and social apps both feel instant — the gap matters most for gaming and long-term headroom.
Display and battery
Xiaomi 15 Ultra carries a 6.7-inch 120 Hz LTPO AMOLED against a 6.7-inch 120 Hz AMOLED on the Realme GT Neo 3. Batteries are 600 and 5,000 mAh — though software tuning and chipset efficiency shape real-world endurance as much as capacity.
Cameras, storage and price
Rear arrays are 50+200+50+50 MP versus 50+8+2 MP, with 32 MP and 16 MP front cameras. Base configurations start at 12 GB / 256 GB and 8 GB / 128 GB. The Realme GT Neo 3 is the more affordable at about $499 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 Xiaomi 15 Ultra better than the Realme GT Neo 3?
These two are closely matched — the right pick comes down to which specific strengths you value and the price you actually pay. Xiaomi 15 Ultra leads on raw performance by about 222% on AnTuTu v10 (Snapdragon 8 Elite vs Dimensity 8100).
What is the main difference between the Xiaomi 15 Ultra and the Realme GT Neo 3?
Xiaomi 15 Ultra leads on raw performance by about 222% on AnTuTu v10 (Snapdragon 8 Elite vs Dimensity 8100). Realme GT Neo 3 is the cheaper option at launch pricing, though these phones launched 3 years apart — street prices will differ from launch MSRPs.
Which is better value?
Xiaomi 15 Ultra delivers more performance per dollar, making it the better value of the two at their listed prices.
Which should I choose?
Choose the Xiaomi 15 Ultra if you game or want the most headroom for years of updates. Choose the Realme GT Neo 3 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.