Compare Xiaomi Watch S4 vs Xiaomi 15T
| Xiaomi Watch S4 Choose another device | Xiaomi 15T Choose another device | |
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Launch
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| Version | October 2024 | September 2025 |
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Network
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| Technology | 4G | 5G |
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Body
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| Dimensions | 47.3 x 47.3 x 12 mm (1.86 x 1.86 x 0.47 in) | 163.2 x 78 x 7.5 mm (6.43 x 3.07 x 0.30 in) |
| Weight | 44.5 g (1.59 oz) | 194 g (6.84 oz) |
| SIM | eSIM | Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time) or Nano-SIM + Nano-SIM |
| Design | Aluminum alloy frame, stainless steel bezel | Glass front (Gorilla Glass 7i), plastic frame, glass fiber back |
| Others | Waterproof (5ATM) | IP68 dust tight and water resistant |
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Display
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| Type | AMOLED | AMOLED, 120Hz, Dolby Vision, HDR10+ |
| Size | 1.43 inches | 6.83 inches |
| Resolution | 466 x 466 pixels | 1280 x 2772 pixels |
| Protection | Scratch/drop-proof glass | Corning Gorilla Glass 7i, Mohs level 6 |
| Various | ||
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Platform
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| Operating System | HyperOS 2 | Android 15, HyperOS 2 |
| Chipset | Mediatek Dimensity 8400 Ultra (4 nm) | |
| CPU | Octa-core (1x3.25 GHz Cortex-A725 & 3x3.0 GHz Cortex-A725 & 4x2.1 GHz Cortex-A725) | |
| GPU | Mali-G720 MC7 | |
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Memory
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| Card Slot | No | No |
| Internal | 256GB 12GB RAM, 512GB 12GB RAM | |
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Camera
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| Primary | No | 50 MP, f/1.7 (wide), OIS + 50 MP, f/1.9, (telephoto), 2x optical zoom + 12 MP, f/2.2, 120Ëš (ultrawide) |
| Features | Leica lens, Color spectrum sensor, Ultra HDR, LED flash, HDR, panorama | |
| Video | 4K@60fps, 1080p@960fps | |
| Selfie | 32 MP 4K@30fps, 1080p@60fps | |
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Sound
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| Loudspeaker | Yes | Yes, with stereo speakers (with Dolby Atmos) |
| 3.5mm Jack | No | No |
| Extra | 24-bit/192kHz Hi-Res & Hi-Res Wireless audio | |
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Comms
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| Wifi | No | a/b/g/n/ac/6e, dual-band |
| Bluetooth | 5.3 | 6.0 |
| GPS | Yes | Yes |
| NFC | Yes | Yes |
| Infrared | Yes | |
| Radio | No | No |
| USB | No | USB Type-C 2.0 |
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Features
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| Sensors | Accelerometer, gyro, compass, barometer, heart rate, SpO2 | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass |
| Miscellaneous | ||
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Battery
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| Battery type | 486 mAh | 5500 mAh |
| Charging | 67W wired | |
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Misc
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| Colors | Black, Silver, Rainbow | Black, Gray, Rose Gold |
| Models | M2424W1, M2425W1 | |
| Inside the box | ||
| Price | 140 USD | 800 USD |
| Xiaomi Watch S4: More information Choose another device | Xiaomi 15T: More information Choose another device | |
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