Realme GT 5 Pro vs Xiaomi 15 Ultra
Head-to-head specifications
| Metric | Realme GT 5 Pro | Xiaomi 15 Ultra | Difference |
|---|---|---|---|
| AnTuTu v10 score | 2,087,159 | 2,758,993 | -24.4% |
| Chipset | Snapdragon 8 Gen 3 | Snapdragon 8 Elite | — |
| Display | 6.8" 144 Hz | 6.7" 120 Hz | — |
| Battery (mAh) | 5,400 | 600 | +800.0% |
| Rear cameras | 50+50+8 MP | 50+200+50+50 MP | — |
| Front camera (MP) | 32 | 32 | — |
| RAM / storage (base) | 12 GB / 256 GB | 12 GB / 256 GB | — |
| Max configuration | 16 GB / 1024 GB | 16 GB / 1024 GB | — |
| Weight (g) | 218 | 225 | -3.1% |
| Connectivity / unlock | 5G · Under-display | 5G · Under-display | — |
| Launch price (USD) | $599–$799 | $1,299–$1,549 | -53.9% |
- Xiaomi 15 Ultra leads on raw performance by about 24% on AnTuTu v10 (Snapdragon 8 Gen 3 vs Snapdragon 8 Elite).
- Realme GT 5 Pro is the cheaper option at launch pricing, though these phones launched 2 years apart — street prices will differ from launch MSRPs.
Verdict: GT 5 Pro or Xiaomi 15 Ultra?
Realme GT 5 Pro advantages
- Battery capacity (+89%)
- Display smoothness (+17%)
- Affordability (+54%)
Xiaomi 15 Ultra advantages
- Raw performance (+24%)
- Camera resolution (+75%)
Which should you choose?
- Choose the Realme GT 5 Pro if you need all-day (or two-day) battery life.
- Choose the Xiaomi 15 Ultra if you game or want the most headroom for years of updates.
- Choose the Realme GT 5 Pro if you want the smoothest scrolling and gaming.
Value for money
Realme GT 5 Pro delivers more performance per dollar, making it the better value of the two at their listed prices.
Realme GT 5 Pro vs Xiaomi 15 Ultra: which should you choose?
Realme GT 5 Pro — Realme Android 14 smartphone (2023) with a 6.78-inch 144 Hz AMOLED, Snapdragon 8 Gen 3, 5400 mAh battery and 50MP main camera, scoring about 2,087,159 on AnTuTu v10; launched at $599.
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 5 Pro vs Xiaomi 15 Ultra: Xiaomi 15 Ultra is the faster phone. Xiaomi 15 Ultra leads on raw performance by about 24% on AnTuTu v10 (Snapdragon 8 Gen 3 vs Snapdragon 8 Elite). Realme GT 5 Pro is the cheaper option at launch pricing, though these phones launched 2 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 2,087,159 on AnTuTu v10), running the Snapdragon 8 Elite against the Snapdragon 8 Gen 3. For messaging, browsing and social apps both feel instant — the gap matters most for gaming and long-term headroom.
Display and battery
Realme GT 5 Pro carries a 6.8-inch 144 Hz AMOLED against a 6.7-inch 120 Hz LTPO AMOLED on the Xiaomi 15 Ultra. Batteries are 5,400 and 600 mAh — though software tuning and chipset efficiency shape real-world endurance as much as capacity.
Cameras, storage and price
Rear arrays are 50+50+8 MP versus 50+200+50+50 MP, with 32 MP and 32 MP front cameras. Base configurations start at 12 GB / 256 GB and 12 GB / 256 GB. The Realme GT 5 Pro is the more affordable at about $599 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 Realme GT 5 Pro better than the Xiaomi 15 Ultra?
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 24% on AnTuTu v10 (Snapdragon 8 Gen 3 vs Snapdragon 8 Elite).
What is the main difference between the Realme GT 5 Pro and the Xiaomi 15 Ultra?
Xiaomi 15 Ultra leads on raw performance by about 24% on AnTuTu v10 (Snapdragon 8 Gen 3 vs Snapdragon 8 Elite). Realme GT 5 Pro is the cheaper option at launch pricing, though these phones launched 2 years apart — street prices will differ from launch MSRPs.
Which is better value?
Realme GT 5 Pro delivers more performance per dollar, making it the better value of the two at their listed prices.
Which should I choose?
Choose the Realme GT 5 Pro if you need all-day (or two-day) battery life. Choose the Xiaomi 15 Ultra if you game or want the most headroom for years of updates.
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.