Smartwatches / Compare
Amazfit Active 2 (Round) vs Redmi Watch 5 Active
Product A: Amazfit
70 of 150 known
Change Amazfit Active 2 (Round)
Product B: Redmi
57 of 150 known
Change Redmi Watch 5 Active
68 of 141 fields differ
- 30 different values
- 38 known for one only
- 11 the same
- 62 missing for both
Biggest differences
Each bar uses the scale of all 101 smartwatches.
- Peak brightnessA: 2,000nitsB: 500nitsAmazfit is 4 times higher.
- Battery lifeA: 240hB: 432hRedmi is 192 h higher.
- Pixel densityA: 353ppiB: 250ppiAmazfit is 103 ppi higher.
Size, drawn to scale
Front and side.
- AAmazfit: 43.9 × 43.9 mm
- BRedmi: 40.4 × 49.1 mm
Weight
0 to 80 g
Weight (case only)
A29.5g
B30.6g
All 150 fields
Every value links to where we found it.


General
8 of 10 differ
Series
Model numbers
A2433, A2437, W2437GL3N, W2437GL1N, ACTIVE2RBK-C0208005007, ACTIVE2RLE-C02080350012Owner's manualsupport.amazfit.com/en/amazfit_active_2%28round%29/imgs/electronic_manual.pdfRead 5 October 2026Printed page 6 identifies NFC model A2433 and non-NFC A2437. Exact retail SKU mappings come from current regional product pages. Shared NFC/payment flags are omitted because they are not variant-enabled and cannot safely describe both editions.7Maker product pageus.amazfit.com/products/active-2-roundRead 5 October 20268Maker product pagede.amazfit.com/products/amazfit-active-2Read 5 October 2026
GTIN / EAN
Not available
Not available
Announced
27 August 20246Spec databasegsmarena.com/xiaomi_redmi_watch_5_active-13286.phpRead 20 October 2026Launch: announced 2024, August 27. This is the India announcement.7Press articlegsmarena.com/redmi_watch_5_active_debuts_with_bluetooth_calling_and_up_to_18days_of_battery_life-news-64292.phpRead 20 October 2026GSMArena, 27 August 2024: Redmi announced the watch in India that day, with sales from 3 September. It lists INR 2,799 (about 33 USD), which is not a US launch price and is not stored.
Status
Not available
Predecessor
Not available
Not available
Successor
Not available
Not available
Launch price (EU)
Not available
€32.998Spec databasenextpit.de/smartwatches/xiaomi-redmi-watch-5-activeRead 20 October 2026Nextpit Germany: unverbindlicher Verkaufspreis 32,99 EUR, market start September 2024. A German recommended retail price including VAT. A later market price is lower and is not used.9Press articlesmartzone.de/redmi-watch-5-active-vorgestellt-guenstig-und-smartRead 20 October 2026Smartzone, 9 October 2024: the watch costs about 33 EUR at launch in Germany. Matches the 32.99 EUR recommended price.
Markets
US, DE7Maker product pageus.amazfit.com/products/active-2-roundRead 5 October 20268Maker product pagede.amazfit.com/products/amazfit-active-2Read 5 October 2026
Not available
Colours
Red Sport Silicone, Black Sport Silicone, Black Leather – Premium1Maker product pageus.amazfit.com/products/active-2-roundRead 5 October 2026Three marketed combinations are stated in the technical table. Exact current US and German retail SKUs prove the represented sold configurations.
Segment
OS updates promised
Not available
Not available
Security updates until
Not available
Case
6 of 8 differ
Case size
Not available
Case shape
Rectangular1Maker product pagemi.com/global/product/redmi-watch-5-active/specsRead 20 October 2026The Overview describes a square screen in a square watch shape. Nextpit calls the case rectangular.8Spec databasenextpit.de/smartwatches/xiaomi-redmi-watch-5-activeRead 20 October 2026Housing shape: eckig (angular, rectangular).
Case material
Case material (as published)
Stainless steel bezel and polymer middle frame1Maker product pageus.amazfit.com/products/active-2-roundRead 5 October 2026
Plastic (with metal spray coating)1Maker product pagemi.com/global/product/redmi-watch-5-active/specsRead 20 October 2026Frame row, as printed.
Back
Not available
Not available
Case dimensions
Height43.9Width43.9Thickness9.9mm(1.7 × 1.7 × 0.4 in)1Maker product pageus.amazfit.com/products/active-2-roundRead 5 October 2026Technical Specifications / Design explicitly excludes the heart-rate sensor base from the 9.9 mm thickness.
Height49.1Width40.4Thickness11.4mm(1.9 × 1.6 × 0.4 in)1Maker product pagemi.com/global/product/redmi-watch-5-active/specsRead 20 October 2026Dimensions: 49.1mm x 40.4mm x 11.4mm. Footnote: height, width and thickness exclude the strap and protrusions.
Weight (case only)
Weight with strap
Not available
Not available
Durability
1 of 8 differ
Water resistance
Water resistance standard
Dust and water rating
Not available
Not available
Dive rating
Not available
Not available
Max dive depth
Not available
Not available
MIL-STD-810
Not available
Not available
MIL-STD-810 tests
Not available
Not available
Operating temperature
Display
9 of 14 differ
Display type
Display type (as published)
Screen size
Resolution
Pixel density
Display area
Not available
Not available
Touchscreen
Yes3Owner's manualmanualslib.tech/guide/854528/xiaomi-redmi-watch-5-active-manual.htmlRead 20 October 2026Safety Precautions: the touchscreen of the watch does not support underwater operations.7Press articlegsmarena.com/redmi_watch_5_active_debuts_with_bluetooth_calling_and_up_to_18days_of_battery_life-news-64292.phpRead 20 October 2026The launch report calls it a 2-inch IPS LCD touchscreen.8Spec databasenextpit.de/smartwatches/xiaomi-redmi-watch-5-activeRead 20 October 2026Bedienung: Touchscreen ja.
Max refresh rate
Not available
Not available
Min refresh rate
Not available
Not available
Peak brightness
Minimum brightness
Not available
Not available
Always-on display
Not available
Display cover
Not available
Display cover (as published)
Tempered glass with anti-fingerprint coating1Maker product pageus.amazfit.com/products/active-2-roundRead 5 October 2026Standard tempered glass and Premium sapphire are explicitly distinguished in the technical table and exact supplied-strap variants.
Not available
Platform
6 of 15 differ
Platform
OS at launch
Not available
Software
Not available
Not available
Latest OS
Not available
Works with
Phone requirement
Android 7.0 or iOS 14.0 and later.1Maker product pageus.amazfit.com/products/active-2-roundRead 5 October 2026
Android 8.0 and above, or iOS 12.0 and above1Maker product pagemi.com/global/product/redmi-watch-5-active/specsRead 20 October 2026Specifications, Compatibility: only supports smartphones with Android 8.0 and above, iOS 12.0 and above. One India report says Android 6.0 and above, which the global page does not.
App store
Yes1Maker product pageus.amazfit.com/products/active-2-roundRead 5 October 2026Maker app section and full manual printed page 36 explicitly support installed Mini Apps from the Zepp app store.3Owner's manualsupport.amazfit.com/us/amazfit_active_2(round)/files/user-manual.pdf.pdfRead 5 October 2026Printed page 36 Mini App installation and uninstallation uses the Zepp device app store.
Not available
Voice assistants
Chipset
Not available
Not available
Process
Not available
Not available
CPU cores
Not available
Not available
CPU configuration
Not available
Not available
Max CPU clock
Not available
Not available
GPU
Not available
Not available
Low-power coprocessor
Not available
Not available
Memory
None of 2 known
RAM
Not available
Not available
Storage
Not available
Not available
Health sensors
2 of 8 differ
Heart rate sensor
BioTracker 6.0 PPG, two LEDs and five photodiodes1Maker product pageus.amazfit.com/products/active-2-roundRead 5 October 20264Press releaseus.amazfit.com/blogs/news/amazfit-announces-the-active-2-the-ultimate-everyday-smartwatch-for-active-and-healthy-livingRead 5 October 2026Cutting-Edge Technology explicitly states two LEDs and five photodiodes for BioTracker 6.0.
Heart rate sensor (with blood oxygen sensor)1Maker product pagemi.com/global/product/redmi-watch-5-active/specsRead 20 October 2026Sensors: Heart rate sensor (with blood oxygen sensor) and accelerometer.
ECG capability
Not available
Not available
Blood oxygen sensing
Skin temperature sensing
Not available
Blood pressure feature
Not available
Not available
Body composition sensor
Not available
Not available
Skin conductance (EDA)
Not available
Not available
Medical clearances
Not available
Not available
Motion and environment sensors
4 of 9 differ
Accelerometer
Accelerometer range
Not available
Not available
Gyroscope
Not available
Barometric altimeter
Not available
Ambient light sensor
Not available
Depth gauge
Not available
Not available
Depth gauge range
Not available
Not available
Water temperature sensor
Not available
Not available
Health and fitness
4 of 5 differ
Health features
Continuous heart rate, Heart rate alerts, Blood oxygen app, Heart rate variability, Sleep tracking, Sleep stages, Stress tracking, Readiness score, Cycle tracking1Maker product pageus.amazfit.com/products/active-2-roundRead 5 October 2026Technical health table explicitly supports all retained functions. HRV is sleep HRV. Readiness is a daily wellness score. Note 3 requires enabling periodic HR/SpO2/stress and setting alert thresholds, with movement and fit restrictions. These are wellness functions. Sleep-breathing quality is not clinical sleep-apnea notification.3Owner's manualsupport.amazfit.com/us/amazfit_active_2(round)/files/user-manual.pdf.pdfRead 5 October 2026Printed pages 25-28 explain daily readiness from HR, stress, sleep, HRV and temperature, and explicit sleep stages including REM. No clinical apnea claim is inferred.
Continuous heart rate, Blood oxygen app, Sleep tracking, Stress tracking2Maker product pagemi.com/global/product/redmi-watch-5-activeRead 20 October 2026Overview: 24-hour heart rate monitoring, all-day blood oxygen and stress monitoring. High-precision sleep monitoring and sleep breathing quality monitoring are in the battery footnotes. The page says the features are not for medical use.
Fitness features
Automatic workout detection, VO2 max, Training load, Recovery advice, Pool swim, Open water swim, Strength rep counting, Interval workouts, Route navigation, Turn-by-turn navigation, Trackback3Owner's manualsupport.amazfit.com/us/amazfit_active_2(round)/files/user-manual.pdf.pdfRead 5 October 2026Printed pages 12-15 define interval/rest/repeat training, route import, turn prompts and return along the recorded track. Pages 17/18 explicitly define pool/open-water SWOLF and stroke recognition. Page 19 automatically records eight recognized workouts. Pages 20-23 specify VO2 max, EPOC load and recovery. VO2 max requires qualifying running with HR at least 75 percent of maximum. The maker launch explicitly proves automatic strength rep/set counts.4Press releaseus.amazfit.com/blogs/news/amazfit-announces-the-active-2-the-ultimate-everyday-smartwatch-for-active-and-healthy-livingRead 5 October 2026Fitness section explicitly counts reps, sets and rest time during recognized strength exercises.
Dive modes
Not available
Not available
External sensors
Heart rate strap, Power meter, Speed and cadence1Maker product pageus.amazfit.com/products/active-2-roundRead 5 October 2026Technical table and note 18 explicitly support BLE heart-rate belts, running/cycling power meters, cycling speed and cadence sensors. External power-meter compatibility is not built-in running-power proof.
Not available
Safety
None of 6 known
Fall detection
Not available
Not available
Car crash detection
Not available
Not available
Emergency SOS
Not available
Not available
Emergency siren
Not available
Not available
Live location sharing
Not available
Not available
Dedicated LED flashlight
Not available
Not available
Positioning
3 of 3 differ
Positioning
Not available
Connectivity
5 of 15 differ
Bluetooth
Not available
Bluetooth version
Wi-Fi
Not available
Wi-Fi standard
Not available
Not available
Wi-Fi bands
Not available
Not available
Cellular
Not available
Network
Not available
Not available
4G bands
Not available
Not available
5G bands
Not available
Not available
NFC
Not available
No4Regulatory filingi02.appmifile.com/502_operatorx_operatorx_xm/29/08/2026/2fcc090840966c72db4fc1b0b1b1e0df.pdfRead 20 October 2026The declaration applies only ETSI EN 300 328 for radio spectrum use. It has no EN 300 330 entry for a 13.56 MHz radio. The maker's spec tables list no NFC row. GSMArena says NFC No.6Spec databasegsmarena.com/xiaomi_redmi_watch_5_active-13286.phpRead 20 October 2026Comms: NFC No.
Contactless payments
Not available
Not available
Payment services
Not available
Not available
Ultra-wideband
Not available
Not available
Satellite
Not available
Not available
ANT+
Not available
Not available
Audio
2 of 4 differ
Speaker
Microphones
Not available
Calls on the watch
Controls
3 of 5 differ
Buttons
Named operating buttons
Crown
Rotating bezel
Not available
Not available
Gestures
Not available
Battery and charging
6 of 13 differ
Battery capacity
Claimed battery life
AAmazfit Active 2 (Round)
| Mode | With solar | Hours (h) |
|---|---|---|
| Smartwatch | No | 240 |
| Low power | No | 456 |
| Heavy use | No | 120 |
| GPS | No | 21 |
BRedmi Watch 5 Active
| Mode | With solar | Hours (h) |
|---|---|---|
| Smartwatch | No | 432 |
| Heavy use | No | 288 |
Source1Maker product pagemi.com/global/product/redmi-watch-5-active/specsRead 20 October 2026Specs: Typical use time 18 days. The Overview adds heavy usage 12 days. Days are stored as hours. Footnotes: typical use has high-precision sleep, sleep breathing quality, all-day stress and all-day blood oxygen monitoring off, heart rate every 10 minutes, 100 messages, 2 calls and 3 alarms a day, 200 wrist raises, 15 minutes of calls and 90 minutes of exercise a week. Heavy use has high-precision sleep and sleep breathing quality monitoring on, heart rate every 11 minutes, 200 messages, 4 calls and 4 alarms a day, 30 minutes of calls and 150 minutes of exercise a week. Static dial and factory default settings.2Maker product pagemi.com/global/product/redmi-watch-5-activeRead 20 October 2026Overview: 18 days on typical usage and 12 days on heavy usage, with the test conditions in the footnotes.
Smartwatch mode (claimed)
240h
432h
AOD battery life (up to)
Not available
Not available
GPS mode (claimed)
21h
Not available
Solar charging
Not available
Not available
Charging method
Magnetic pins1Maker product pageus.amazfit.com/products/active-2-roundRead 5 October 2026Quick guide printed page 4 explicitly describes metal charging contacts mating with the magnetic base. The USB-C socket is on the base, not the watch.2Owner's manualsupport.amazfit.com/en/amazfit_active_2%28round%29/imgs/electronic_manual.pdfRead 5 October 2026Printed page 4 explicitly identifies metal charging contacts fitting closely to the charging base.
Not available
Charging guidance
Not available
Not available
Max charging power (watch)
Not available
Not available
Fast charging
Not available
Not available
Quick charge claim
Not available
Not available
Charge 0 to 80% (claimed)
Not available
Not available
Measured
1 of 4 differ
Peak brightness (measured)
Not available
Not available
Battery life (measured)
Not available
Not available
Battery tests (measured)
Not available
Not available
Strap
5 of 6 differ
Lug width
Not available
Quick-release strap
Not available
Strap system
Not available
Not available
Strap material
Strap
Not available
Strap sizes
AAmazfit Active 2 (Round)
| Wrist (min) (mm) | Wrist (max) (mm) |
|---|---|
| 135 | 195 |
BRedmi Watch 5 Active
| Size | Wrist (min) (mm) | Wrist (max) (mm) |
|---|---|---|
| TPU strap | 135 | 205 |
Regulatory
1 of 3 differ
FCC ID
Not available
Not available
SAR limb (US)
Not available
Not available
SAR limb (EU)
Not available
Not available
Other certifications
Not available
EU RED 2014/53/EU conformity, RoHS 2011/65/EU conformity4Regulatory filingi02.appmifile.com/502_operatorx_operatorx_xm/29/08/2026/2fcc090840966c72db4fc1b0b1b1e0df.pdfRead 20 October 2026Declares RE Directive 2014/53/EU and RoHS Directive 2011/65/EU conformity.
In the box
1 of 2 differ
In the box
Smartwatch with supplied strap, Magnetic charging base, Instruction manual1Maker product pageus.amazfit.com/products/active-2-roundRead 5 October 2026Technical packing list includes watch with standard strap, charging base and instruction manual. USB-C cable and power adapter are absent. The original launch additionally supplies a red silicone strap with the US Premium package, recorded only in that variant row.4Press releaseus.amazfit.com/blogs/news/amazfit-announces-the-active-2-the-ultimate-everyday-smartwatch-for-active-and-healthy-livingRead 5 October 2026Launch design paragraph explicitly includes an additional red silicone strap in the Premium package. Retained only for the represented US Premium configuration.
Redmi Watch 5 Active, Magnetic charging cable, User manual (including warranty notice)1Maker product pagemi.com/global/product/redmi-watch-5-active/specsRead 20 October 2026Package contents: Redmi Watch 5 Active, magnetic charging cable and user manual including the warranty notice.
Links
Not compared
Product page
Spec sheet
Not available
Manual
support.amazfit.com/us/amazfit_active_2(round)/files/user-manual.pdf.pdf3Owner's manualsupport.amazfit.com/us/amazfit_active_2(round)/files/user-manual.pdf.pdfRead 5 October 2026Original complete Active 2 (Round) user guide, 38 pages. It is not the Square manual. A map-download instruction incorrectly refers to Wi-Fi although exact quick parameters and maker connectivity table do not publish Wi-Fi. Wi-Fi standards/bands are omitted rather than inherited from this instruction.
www.manualslib.tech/guide/854528/xiaomi-redmi-watch-5-active-manual.html3Owner's manualmanualslib.tech/guide/854528/xiaomi-redmi-watch-5-active-manual.htmlRead 20 October 2026User manual for model M2351W1 in a public document mirror. Xiaomi's own manual page is not reachable and the mirror carries the printed manual text, including Specifications and Safety Precautions.
EPREL registration number
Not available
Not available
Warranty
1 of 1 differ
Manufacturer warranty (source market)
Not available
Both are also in the API. Back to all smartwatches.













