Samsung Galaxy A55 vs Xiaomi 15 Ultra
Head-to-head specifications
| Metric | Samsung Galaxy A55 | Xiaomi 15 Ultra | Difference |
|---|---|---|---|
| AnTuTu v10 score | 723,194 | 2,758,993 | -73.8% |
| Chipset | Exynos 1480 | Snapdragon 8 Elite | — |
| Display | 6.6" 120 Hz | 6.7" 120 Hz | — |
| Battery (mAh) | 5,000 | 600 | +733.3% |
| Rear cameras | 50+12+5 MP | 50+200+50+50 MP | — |
| Front camera (MP) | 32 | 32 | — |
| RAM / storage (base) | 8 GB / 128 GB | 12 GB / 256 GB | — |
| Max configuration | 12 GB / 256 GB | 16 GB / 1024 GB | — |
| Weight (g) | 213 | 225 | -5.3% |
| Connectivity / unlock | 5G · Under-display | 5G · Under-display | — |
| Launch price (USD) | $479–$579 | $1,299–$1,549 | -63.1% |
- Xiaomi 15 Ultra leads on raw performance by about 74% on AnTuTu v10 (Exynos 1480 vs Snapdragon 8 Elite).
- Samsung Galaxy A55 is the cheaper option at launch pricing.
Verdict: Galaxy A55 or Xiaomi 15 Ultra?
Samsung Galaxy A55 advantages
- Battery capacity (+88%)
- Lightness (+5%)
- Affordability (+63%)
Xiaomi 15 Ultra advantages
- Raw performance (+74%)
- Camera resolution (+75%)
- Memory (+33%)
Which should you choose?
- Choose the Samsung Galaxy A55 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 Samsung Galaxy A55 if you want a lighter phone for one-handed use.
Value for money
Xiaomi 15 Ultra delivers more performance per dollar, making it the better value of the two at their listed prices.
Samsung Galaxy A55 vs Xiaomi 15 Ultra: which should you choose?
Samsung Galaxy A55 — Samsung Android 14 smartphone (2024) with a 6.6-inch 120 Hz Super AMOLED, Exynos 1480, 5000 mAh battery and 50MP main camera, scoring about 723,194 on AnTuTu v10; launched at $479.
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.
Samsung Galaxy A55 vs Xiaomi 15 Ultra: Xiaomi 15 Ultra is the faster phone. Xiaomi 15 Ultra leads on raw performance by about 74% on AnTuTu v10 (Exynos 1480 vs Snapdragon 8 Elite). Samsung Galaxy A55 is the cheaper option at launch pricing.
Performance and everyday use
The Xiaomi 15 Ultra is the faster device on raw benchmarks (2,758,993 vs 723,194 on AnTuTu v10), running the Snapdragon 8 Elite against the Exynos 1480. For messaging, browsing and social apps both feel instant — the gap matters most for gaming and long-term headroom.
Display and battery
Samsung Galaxy A55 carries a 6.6-inch 120 Hz Super AMOLED against a 6.7-inch 120 Hz LTPO AMOLED on the Xiaomi 15 Ultra. Batteries are 5,000 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+12+5 MP versus 50+200+50+50 MP, with 32 MP and 32 MP front cameras. Base configurations start at 8 GB / 128 GB and 12 GB / 256 GB. The Samsung Galaxy A55 is the more affordable at about $479 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 Samsung Galaxy A55 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 74% on AnTuTu v10 (Exynos 1480 vs Snapdragon 8 Elite).
What is the main difference between the Samsung Galaxy A55 and the Xiaomi 15 Ultra?
Xiaomi 15 Ultra leads on raw performance by about 74% on AnTuTu v10 (Exynos 1480 vs Snapdragon 8 Elite). Samsung Galaxy A55 is the cheaper option at launch pricing.
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 Samsung Galaxy A55 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.