With over 150 sports activities modes, dual-frequency GPS monitoring, 15 MIL-STD-810G take a look at certifications, 24/7 coronary heart and stress monitoring, and epic battery life, the T-Rex 2 has unimaginable worth for its listing worth. It’s not as smooth because the stainless-steel Ultra, however it’s almost as powerful.
ForAffordably priced for what it offersMilitary-grade sturdinessUltra-bright displayMore colorsLonger battery lifeAgainstPolymer as an alternative of steelNo wi-fi downloads
The Amazfit T-Rex Ultra is not that totally different from the T-Rex 2. But due to its stainless-steel design, it may stand up to extra water strain and temperature variation, making it well-suited for diving and mountaineering. Just be prepared for one of many heaviest smartwatches ever.
ForStainless-steel designAdjustable lugs on caseDiving certificationsBetter efficiency in low temperaturesWireless downloadsAgainstTwice the priceMassively heavy
Amazfit is finest identified for its price range watches and trackers, however for individuals who like Zepp software program however desire a extra high-end expertise, the Amazfit T-Rex lineup has you coated. The T-Rex 2 delivers high-quality options at an affordable $230 worth level, whereas the T-Rex Ultra leaps to $399 largely due to extra premium supplies and some key software program upgrades.Simply from a price-to-value ratio, the Amazfit T-Rex 2 is the best choice, whereas the T-Rex Ultra prices nearer to different premium smartwatches with restricted upside. But relying on what you need, the Ultra should name to you. Let’s break down the Amazfit T-Rex Ultra vs. T-Rex 2.Amazfit T-Rex Ultra vs. T-Rex 2: Design and displayWhy you may belief Android Central
Our professional reviewers spend hours testing and evaluating services and products so you may select the most effective for you. Find out extra about how we take a look at.The Amazfit T-Rex 2 (Image credit score: Chris Wedel/Android Central)Both the Amazfit T-Rex Ultra and T-Rex 2 have a 1.39-inch touchscreen show with 454 x 454 decision and 1,000 nits of brightness. Their 326 pixels per inch put them on par with hottest AMOLED health smartwatches, together with the Galaxy Watch 5 (330ppi).Each watch additionally has related design selections that make them extremely rugged. They each handed 15 MIL-STD-810G checks, together with these for warmth, chilly, humidity, salt spray, ice, and shock — although solely the T-Rex Ultra is “mud-proof.” Along with 10ATM water resistance, each watches are rated to outlive in 70ºC (158ºF) warmth or -40ºC (-40ºF) chilly. For the latter, there is a low-temperature mode energetic at as much as -30ºC (-22ºF) the place each watches nonetheless perform, making them nice for mountain climbers or survivalists. Interestingly, the Amazfit T-Rex Ultra lasts 5 days longer on this mode than the T-Rex 2 (14 days vs. 9 days), regardless of the T-Rex 2 lasting longer in regular situations.Both the T-Rex Ultra and T-Rex 2 share these design perks, the identical 22mm silicone watch band, and sport 4 buttons positioned at every nook of the show. So the place do they differ? Primarily of their supplies and weight. The Amazfit T-Rex Ultra (Image credit score: Michael Hicks / Android Central)The Amazfit T-Rex 2 makes use of a hardened polymer alloy for its supplies — most health smartwatches use polymer over metallic as a result of it is lower-weight and saves on prices — however has a “metal-sprayed” bezel. Upgrade to the T-Rex Ultra, and also you get 316L “marine grade” stainless-steel throughout the bezel, bridge, again panel, and buttons which can be designed for chemical or underwater functions — although parts of it nonetheless use the identical polymer. It can stand up to strain and corrosive compounds and usually appears to be like extra trendy. Plus, it has adjustable lugs in an effort to make sure the Ultra rests squarely in your wrist.While the Ultra appears to be like fairly trendy, it is also fairly probably the heaviest smartwatch we have ever examined. With the strap, it weighs 89g/ 3.14oz, a full 23g/ 0.8oz heavier than the “chunky” T-Rex 2; it additionally measures 0.2mm thicker, although at 13.65mm, it isn’t as thick as some Garmin and COROS watches we have examined.Frankly, you are going to discover the wrist weight no matter which Amazfit T-Rex you choose, however the T-Rex Ultra goes past what some folks will tolerate. The solely different distinction value noting is that the Amazfit T-Rex 2 has extra shade choices than the Ultra. Both have Black and desert-themed choices, however the T-Rex 2 has a Wild Green end and a Black & Gold choice with gold-colored buttons. Amazfit T-Rex Ultra vs. T-Rex 2: Software and sensorsSwipe to scroll horizontallyHeader Cell – Column 0 Amazfit T-Rex UltraAmazfit T-Rex 2Dimensions47.3 x 47.3 x 13.45 mm47.1 x 47.1 x 13.65 mmWeight89 grams66.5 gramsMaterialsStainless metal bezel, again panel, bridge, buttons; Polymer alloy center bodyPolymer alloyDisplayTouchscreen AMOLED, 1.39 inches, 454 x 454 (326 PPI), 1,000 nitsTouchscreen AMOLED, 1.39 inches, 454 x 454 (326 PPI), 1,000nitsColorsAbyss Black, SaharaAstro Black and Gold, Ember Black, Wild Green, Desert KhakiOperating SystemZepp OSZepp OSButtons44Strap22 mm, silicone22 mm, siliconeBattery500mAh, 20 days (smartwatch mode), 46 hours (GPS solely), 28 hours (Dual-band GPS)500mAh, 24 days (smartwatch mode), 50 hours (GPS solely), 26 hours (Dual Band GPS)ConnectivityBluetooth 5.0 BLE, WLAN 2.4GHzBluetooth 5.0 BLESensorsBioTracker 3.0 PPG biometric sensor, acceleration, gyroscope, geomagnetic, barometric, ambient lightBioTracker 3.0 PPG biometric sensor, acceleration, gyroscope, geomagnetic, barometric, ambient lightHealth trackingSpO2, coronary heart fee, stressSpO2, coronary heart fee, stressTrackable sport modes162 (33 good recognition modes)158 (33 good recognition modes)Water Resistance10 ATM (100 meters, floor swimming, and snorkeling)10 ATM (100 meters, floor swimming, and snorkeling)Sturdiness15 MIL-STD-810G certifications15 MIL-STD-810G certificationsLocationDual-band 5 satellite tv for pc positioningDual-band 5 satellite tv for pc positioningBy and huge, each Amazfit T-Rex watches provide the identical software program expertise, from the lots of of sports activities modes to the identical well being knowledge tracked within the Zepp app. The solely distinctive software program characteristic on the Amazfit T-Rex Ultra (and Amazfit Falcon) is the AI Zepp Coach beta, however we will assume the T-Rex 2 will get it will definitely.You get a ridiculous 158 tracked actions on the Amazfit T-Rex 2 throughout Running, Cycling, Swimming, Dance, Combat Sports, Gym actions, Ball Sports, Water Sports, Winter Sports, and even Board Games like Chess. Both the Amazfit T-Rex 2 and Ultra have automated Smart Recognition of eight actions — Running, Cycling, Swimming, Indoor/Outdoor Walking, Treadmill, Rowing Machine, and Elliptical — and 25 energy coaching modes. With the Amazfit T-Rex Ultra, you get a watch with EN13319 & ISO6245 certifications, that means it may be used for diving right down to 30 meters deep. Even although the T-Rex 2 has a 10ATM resistance (aka 100 meters of water strain), solely the Ultra ought to actually be examined at that depth due to its 316L metal. Plus, solely the Ultra has sports activities modes for Outdoor freediving, Indoor freediving, Spearfishing, and Skydiving. That brings its whole sports activities modes whole to 162. (Image credit score: Chris Wedel/Android Central)When it involves location monitoring for outside actions, each watches have Dual Band GPS on each L1 and L5 frequencies and might join to 2 satellite tv for pc programs directly — each of that are common settings on lots of the finest Garmin watches. We examined the GPS Accuracy mode on the T-Rex Ultra and located it fairly correct in comparison with the Forerunner 265, and the identical ought to maintain true with the T-Rex 2. Both watches will provide you with 24/7 monitoring of your coronary heart fee, blood oxygen ranges, and stress ranges. And every has the identical sensors, together with a barometric altimeter, accelerometer, gyroscope, and compass. In concept, the T-Rex Ultra might supply extra correct knowledge as a result of the adjustable lugs assist it relaxation flatter in your wrist, however it’s additionally heavy sufficient that you just most likely would not need to put on it for sleep monitoring. The major software program distinction value noting between them is that the T-Rex Ultra permits Wi-Fi downloads on a 2.4GHz band, whereas the T-Rex 2 depends on the comparatively outdated Bluetooth 5.0 customary. Whether you are importing your exercise knowledge, downloading offline maps, or updating your watch, this knowledge velocity increase makes them extra handy. Amazfit T-Rex Ultra vs. T-Rex 2: Battery life(Image credit score: Michael Hicks / Android Central)Both watches have the identical 500mAh battery dimension. That’s fairly massive for a conventional health smartwatch, solely falling brief of some fashions we have examined just like the Samsung Galaxy Watch 5 Pro and Mobvoi TicWatch Pro 3 Ultra GPS. And it comes throughout of their longevity. First, we’ll lay out Amazfit’s personal estimates: the T-Rex 2 lasts 24 days in smartwatch mode, 10 days with heavy use, 50 hours with GPS-only mode, or 26 hours with Dual-Band GPS activated. The T-Rex Ultra drops to 20 days in smartwatch mode or 9 days with heavy use, together with 46 hours for GPS-only mode. The Ultra does barely higher with Dual-Band GPS, hitting 28 hours.In apply, our T-Rex 2 reviewer “enabled all of the health features to monitor 24 hours, always on display, and used automatic sleep tracking every night,” in addition to some GPS-tracked exercises, and hit “nearly two weeks of battery life.” Evidently, he’d want to make use of the T-Rex 2 much more steadily to hit Amazfit’s 10-day estimate. We have not totally examined the T-Rex Ultra battery but, however it’s clear that the watch does have a tendency to make use of extra battery when idling. Still, you may usually rely on this watch to final far longer than most competing health smartwatches. Both watches use a proprietary magnetic charger and may soar again to full in a few hours. Amazfit T-Rex Ultra vs. T-Rex 2: Which must you purchase?(Image credit score: Chris Wedel/Android Central)Most of the distinctive T-Rex Ultra options we managed to identify — scuba diving certification, mud-proofing, higher low-temperature battery life — are the definition of “niche.” Extreme outside sports activities sorts might need to improve, however for folks utilizing the opposite lots of of sports activities modes on the market, the T-Rex 2 checks off your entire bins for considerably much less.You can select the Amazfit T-Rex Ultra for its stainless-steel design and the adjustable lugs, which helps you put on it extra loosely for on a regular basis use after which swap to a tighter match throughout a exercise. You’ll need to get used to the load, however anybody used to the bigger Garmin Fenix or Enduro fashions will not discover it an excessive amount of heavier, and it will prevent lots of in comparison with these watches.Still, in case you think about the most effective Amazfit smartwatches, most of them have affordable worth tags, and the T-Rex 2 matches the invoice higher on that entrance. We want it had wi-fi downloads just like the Ultra, however we will bear slower updates at this worth level.
Choose the Amazfit T-Rex 2 if you’d like a lighter smartwatch design, together with a ton of helpful health modes and software program for much less. Don’t select it if you’d like the Ultra’s fancier look or cannot stand sluggish obtain speeds.
Choose the Amazfit T-Rex Ultra in case you’re a diver or rugged outdoorsman who desires the very best safety from the weather, or in case you actually care about aesthetics. Don’t select it if you cannot stand heavy watches otherwise you’re on a price range.