Device comparison
Two devices. One clear decision.
Choose the exact models, then compare every available specification in one aligned view.
Missing information stays missing. Only stored specifications are shown.
Complete comparison
Full specifications
Every available group and stored value, aligned by field.
LAUNCH DATE3 fields
| Specification | Watch Series 12 | T-Rex Dual Solar |
|---|---|---|
| Announced | 9 September 2026 | 2026, September 22 |
| Released | 18 September 2026 | 2026, September 22 |
| Status | Available | Available |
NETWORK1 field
| Specification | Watch Series 12 | T-Rex Dual Solar |
|---|---|---|
| Technology | 5G RedCap / LTE | No cellular connectivity |
BODY6 fields
| Specification | Watch Series 12 | T-Rex Dual Solar |
|---|---|---|
| Build | Titanium | Sapphire glass front, Grade 5 titanium bezel and buttons, fiber-reinforced polymer frame, Grade 5 titanium and glass-ceramic back shell |
| Colors | Radiant Gold, Natural | Basalt Black |
| Dimensions | 42 mm: 42 x 37 x 9.7 mm; 46 mm: 46 x 40 x 9.7 mm | 51.4 mm case diameter; 16.9 mm thick with heart-rate sensor (14.5 mm without) |
| IP Rating | IP6X; 50m water resistance | 10 ATM water resistance |
| Strap | — | Silicone |
| Weight | 42mm: 36.5 g; 46mm: 44.9 g | 69 g (without strap) |
DISPLAY6 fields
| Specification | Watch Series 12 | T-Rex Dual Solar |
|---|---|---|
| Always-on display | Yes | — |
| Brightness | 2000 nits peak; 1 nit minimum | Up to 3,000 nits (peak) |
| Protection | Sapphire crystal | Sapphire crystal |
| Resolution | 46 mm: 416 x 496 pixels; 42 mm: 374 x 446 pixels (~326 ppi density) | 466 x 466 pixels |
| Size | 46 mm: 1196 mm2 display area; 42 mm: 970 mm2 display area | 1.32 inches |
| Type | LTPO3 OLED, always-on Retina | AMOLED |
PLATFORM4 fields
| Specification | Watch Series 12 | T-Rex Dual Solar |
|---|---|---|
| CPU | 64-bit dual-core | — |
| Chipset | Apple S11 | — |
| Neural engine | 4 cores | — |
| OS | watchOS | Zepp OS |
MEMORY1 field
| Specification | Watch Series 12 | T-Rex Dual Solar |
|---|---|---|
| Internal | 64GB | — |
SOUND2 fields
| Specification | Watch Series 12 | T-Rex Dual Solar |
|---|---|---|
| Loudspeaker | Yes | Yes |
| Microphones | — | Yes |
COMMUNICATION4 fields
| Specification | Watch Series 12 | T-Rex Dual Solar |
|---|---|---|
| Bluetooth | 5.3 | 5.2, BLE (Bluetooth calls) |
| NFC | — | Yes, Zepp Pay contactless payments (European version, supported countries/regions) |
| Positioning | L1 GPS, GLONASS, Galileo, QZSS, BeiDou | Dual-band GNSS, six satellite systems |
| WLAN | Wi-Fi 4, 2.4/5GHz | Wi-Fi 2.4GHz |
FEATURES2 fields
| Specification | Watch Series 12 | T-Rex Dual Solar |
|---|---|---|
| Health Features: | — | Blood-oxygen monitoring, Training Load, Training Effect, VO2 Max, recovery time, 180+ workout modes, automatic dive detection |
| Sensors | Electrical and optical heart sensors, blood oxygen, temperature, compass, altimeter, accelerometer, gyroscope, ambient light, depth, water temperature | BioTracker 6.0 PPG heart-rate sensor, barometric altimeter, compass, temperature sensor, gyroscope, accelerometer |
BATTERY4 fields
| Specification | Watch Series 12 | T-Rex Dual Solar |
|---|---|---|
| Battery Life | — | Up to 25 days typical use; up to 41 hours in Accuracy GPS Mode; up to 34 days with front solar and up to 51 days with rear solar (3 hours a day at 50,000 lux); up to 180 days in Outdoor Extreme Mode with rear solar |
| Capacity | — | 660 mAh |
| Charging Type | Wireless (magnetic fast charging), 0-80% in about 30 min; 15 min charge for up to 12 hours | Dual-sided solar charging (display and glass-ceramic back plate); USB Type-C-compatible charging base |
| Type | Rechargeable lithium-ion | — |
ADDITIONAL INFORMATION6 fields
| Specification | Watch Series 12 | T-Rex Dual Solar |
|---|---|---|
| Compatibility | iPhone 11 or newer, or iPhone SE (2nd generation or newer), with iOS 27 or newer | Zepp App; Android 7.0 or later, iOS 15.0 or later. NFC contactless payments (Zepp Pay) only on the European version, in supported countries (31 European countries incl. UK, Germany, France) |
| Environmental | — | Packaging sleeve made from 100% recyclable materials; mineral-free inks; no extra cable in the box, to cut unneeded materials (Amazfit) |
| Launch Price (USD) | — | $649.99 (US launch) |
| Models | — | A2570 |
| Models and regions | — | A2570 (one model for all markets; certified by the US FCC, Malaysia SIRIM, South Korea RRA, Indonesia SDPPI and the Eurasian Economic Union) |
| Price in Nigeria | ₦979,000 | ₦910,000 (estimate, converted from US launch price) |
TESTS1 field
| Specification | Watch Series 12 | T-Rex Dual Solar |
|---|---|---|
| Battery Endurance | — | Typical use: up to 25 days; heavy use: up to 13 days; Accuracy GPS mode: up to 41 h; trail running: up to 48 h (normal) / 33 h (heavy); Outdoor Extreme Mode: up to 40 days; low-temperature mode: 31 h sports / 26 days standby (Amazfit manufacturer figures, without solar) |