Looking for an honest Samsung Galaxy S24 vs Xiaomi 15 Ultra comparison in 2026? We scored both smartphones on the same six-dimension framework — performance, battery, display, camera, design and value — using identical methodology, so the numbers below are directly comparable. In our overall scoring the Samsung Galaxy S24 comes out ahead 76/100 to 52/100 — a 24-point gap. The widest gap is in performance, where the Samsung Galaxy S24 pulls noticeably ahead. On price the Samsung Galaxy S24 undercuts the Xiaomi 15 Ultra by 38% ($799 vs $1,099), which materially changes the value calculus for budget-conscious buyers.
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Samsung Galaxy S24 clearly outperforms the Xiaomi 15 Ultra in the smartphones category, especially in performance (benchmark 210 vs 50), scoring 76 vs 52. If you want the better overall smartphones, Samsung Galaxy S24 is the recommended choice.
Picking Samsung Galaxy S24 over Xiaomi 15 Ultra means trading these off.
✓ Pros
✗ Cons
✓ Pros
| Spec | Samsung Galaxy S24W | Xiaomi 15 Ultra |
|---|---|---|
| Display | 6.2" | 6.73"✓ |
| Display Type | Dynamic AMOLED 2X | LTPO AMOLED |
| Resolution | 2340 x 1080 pixels | 3200 x 1440 pixels |
| Refresh Rate | 120Hz | 120Hz |
| Brightness | 1750nits | 3200nits✓ |
Buy Samsung Galaxy S24 if…
Buy the Samsung Galaxy S24 if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
Buy Xiaomi 15 Ultra if…
The Xiaomi 15 Ultra is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Samsung Galaxy S24 clearly outperforms the Xiaomi 15 Ultra in the smartphones category, especially in performance (benchmark 210 vs 50), scoring 76 vs 52. If you want the better overall smartphones, Samsung Galaxy S24 is the recommended choice.
Yes, Samsung Galaxy S24 scores higher overall (76 vs 52).
Samsung Galaxy S24 is cheaper at $799 vs $1099 for the Xiaomi 15 Ultra.
Buy the Samsung Galaxy S24 if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
The Xiaomi 15 Ultra is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Xiaomi 15 Ultra has a larger battery (6,000mAh vs 4,000mAh for the Samsung Galaxy S24), which generally means longer use between charges.
Xiaomi 15 Ultra has the larger display (6.73" vs 6.2").
Reviewed by VersusMatrix Editorial Team
Last updated: May 11, 2026
Methodology: AI-powered analysis of technical specifications from manufacturer data. Scores are calculated by comparing products across multiple dimensions and normalized relative to the full category database. Our editorial process is independent and not influenced by affiliate partnerships.
Scores are relative within the smartphonescategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.
✗ Cons
| HDR |
| HDR10+ |
| HDR10+, Dolby Vision |
| Protection | Gorilla Glass Victus 2 | Gorilla Glass Victus 2 |
| Chipset | Snapdragon 8 Gen 3 | Qualcomm Snapdragon 8 Elite |
| CPU | Octa-core | Octa-core (2x4.32 GHz Oryon V2 + 6x3.53 GHz Oryon V2) |
| GPU | Mali-G78 | Adreno 830 |
| RAM | 8GB | 12GB✓ |
| Storage | 128GB | 512GB✓ |
| Storage Options | 128GB, 256GB | 512GB |
| Main Camera | 50MP | 50MP |
| Aperture | f/1.8 | f/1.63 |
| OIS | Yes | Yes |
| Zoom | — | 4.3x optical, 10x optical periscope |
| Video | 8K@30fps, 4K@60fps | 8K@30fps, 4K@120fps |
| Front Camera | 12MP | 32MP✓ |
| Battery | 4000mAh | 6000mAh✓ |
| Charging | 25W | 90W✓ |
| Wireless Charging | 15W | 80W✓ |
| OS | Android 14 | Android 15, HyperOS 2 |
| Wi-Fi | Wi-Fi 6E (802.11ax) | Wi-Fi 7 (802.11be) |
| Bluetooth | Bluetooth 5.3 | Bluetooth 5.4 |
| NFC | Yes | Yes |
| USB | USB Type-C 3.2 | USB-C 3.2 Gen 2 |
| Water Resistance | IP68 | IP68 |
| Biometrics | Under-display fingerprint | Under-display fingerprint, Face unlock |
| Dimensions | 146.6 x 70.6 x 7.6 mm | 161.4 x 75.3 x 9.5 mm |
| Weight | 167g✓ | 229g |
| Colors | Phantom Black, Phantom White, Phantom Green, Phantom Violet | Black, White |
| Price | 799$ | 1099$ |
Samsung Galaxy S24 is lighter at 167g vs 229g.
Xiaomi 15 Ultra has more RAM (12GB vs 8GB), which helps with multitasking.