Amazfit GTS 4 vs Redmi Watch 5
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At a glance
Key specifications and important differences. Full details follow below.
| Feature |  Amazfit GTS 4 |  Redmi Watch 5 |
|---|---|---|
| Price | KSh 18,500.00 | KSh 15,000.00 |
| Display | 1.75-inch AMOLED | 2.07-inch AMOLED |
| Battery capacity | 300 mAh rated | 550 mAh |
| Water resistance | 5 ATM | 5 ATM |
| Processor | Not listed | — |
| RAM | Not listed | — |
| Storage | Not listed | 164 MB available local storage |
| Operating system | Zepp OS 2.0 | Xiaomi HyperOS |
| Network / cellular | No cellular connection | No cellular connectivity |
| Positioning / GNSS | Dual-band, circularly polarized GNSS supporting six satellite systems | Built-in GNSS: GPS, Galileo, GLONASS, BeiDou and QZSS |
| Health & wellness features | 24-hour heart rate, blood oxygen and stress; one-tap measurement; readings are not medical diagnoses | All-day heart-rate, blood-oxygen and stress monitoring; breathing exercises; vitality score |
Full specifications
2 of 4 products
| Specification | Amazfit GTS 4 | Redmi Watch 5 |
|---|---|---|
| Identity & design | ||
| Brand | Amazfit | Redmi |
| Model | GTS 4 | Redmi Watch 5 |
| Announced | September 2022 | 27 November 2024 |
| Dimensions | 42.7 × 36.5 × 9.9 mm without heart-rate sensor base | 47.5 × 41.1 × 11.3 mm (excluding strap and protrusions) |
| Weight | 27 g without strap | Approximately 33.5 g without strap |
| Build materials | Aluminum-alloy middle frame; high-gloss sprayed polycarbonate bottom shell | Aluminium-alloy mid-frame; plastic back |
| Wrist size | 140–200 mm | Approximately 135–205 mm |
| Strap / band | 20 mm quick-release fluoroelastomer or nylon strap | Quick-release TPU strap |
| Controls / buttons | Touchscreen and stainless-steel navigation crown | Stainless-steel rotating crown; touchscreen |
| Display | ||
| Display | 1.75-inch AMOLED | 2.07-inch AMOLED |
| Screen resolution | 390 × 450 pixels, 341 ppi | 432 × 514 pixels, 324 ppi |
| Display protection | Tempered glass with anti-fingerprint coating | — |
| Display features | Always-on display; 150+ watch faces | 60 Hz refresh rate; 5 Hz LTPS; 1,500-nit HBM; 82% screen-to-body ratio; 2.5D curved display; Always-On Display |
| Performance & software | ||
| Processor | Not listed | — |
| CPU | Not listed | — |
| GPU | Not listed | — |
| RAM | Not listed | — |
| Storage | Not listed | 164 MB available local storage |
| Operating system | Zepp OS 2.0 | Xiaomi HyperOS |
| Connectivity | ||
| Network / cellular | No cellular connection | No cellular connectivity |
| SIM / eSIM | No SIM or eSIM | eSIM on China-market version only |
| Wi-Fi | 2.4 GHz Wi‑Fi | No |
| Bluetooth | Bluetooth 5.0 and BLE | Bluetooth 5.3 |
| NFC | NFC not listed | Supported |
| Positioning / GNSS | Dual-band, circularly polarized GNSS supporting six satellite systems | Built-in GNSS: GPS, Galileo, GLONASS, BeiDou and QZSS |
| Ultra Wideband (UWB) | Not listed | — |
| Satellite features | Not listed | — |
| Audio & communication | ||
| Speaker | Built-in speaker | Supported |
| Microphone | Built-in microphone | Dual microphones with wind-noise reduction |
| Calling | Bluetooth calling when paired | Bluetooth calling through a paired phone |
| Sensors, health & fitness | ||
| Sensors | BioTracker 4.0 PPG, accelerometer, gyroscope, geomagnetic, barometric altimeter and ambient-light sensor | Optical heart-rate and blood-oxygen sensor; accelerometer; gyroscope; ambient-light sensor; electronic compass |
| Health & wellness features | 24-hour heart rate, blood oxygen and stress; one-tap measurement; readings are not medical diagnoses | All-day heart-rate, blood-oxygen and stress monitoring; breathing exercises; vitality score |
| Sleep tracking | Sleep stages including REM, naps, breathing quality and sleep score | All-day scientific sleep monitoring |
| Sports / workout modes | 154 modes; automatic recognition of eight sports and strength exercises | More than 150 sports modes, including 18 water sports |
| Training & outdoor features | Route import, real-time navigation, track-run mode and PeakBeats training status | 10 running courses; independent five-system GNSS |
| Safety & emergency features | Not listed | — |
| Diving / depth features | Not rated for diving | — |
| Battery & durability | ||
| Battery capacity | 300 mAh rated | 550 mAh |
| Battery life | Up to 8 days typical, 4 days heavy, 16 days saver; GPS up to 16/28/33 hours by mode | Up to 24 days in typical-use mode |
| Charging | Magnetic charging, approximately 2 hours | Magnetic charging cable |
| Water resistance | 5 ATM | 5 ATM |
| Durability / certifications | ISO 22810:2010 5 ATM; suitable for swimming, not hot showers or sauna | — |
| Compatibility | ||
| Phone compatibility | Android 7.0+ or iOS 12.0+ | Android 8.0 or later; iOS 12.0 or later |
| Companion app | Zepp app | Mi Fitness |
| Colors | Infinite Black, Misty White, Autumn Brown, Rosebud Pink | Obsidian Black; Silver Gray; Lavender Purple |
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