I wore the best Garmin and Amazfit smartwatches for a month – is the $250 price gap noticeable?


Amazfit vs Garmin

Matthew Miller/ZDNET

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The Garmin Fenix 8 has been one of my favorite sports watches for the past couple of years, and while it is on sale as we anticipate the Fenix 9 release, it is still an expensive watch. Amazfit has been challenging Garmin with affordable watches. The company recently started releasing flagship models priced closer to Garmin’s flagship offerings, but they can still save you a couple of hundred dollars.

For the past month, I have been running, biking, hiking, and living with flagship watches from both companies to see if Amazfit is worth saving some money as the brand continues a steady launch of watches in 2026.

Also: I tested the best sports watches in 2026: Here are the latest and greatest watches, no matter your budget

The Amazfit Cheetah 2 Ultra is available for $600, while the 47mm Garmin Fenix 8 AMOLED (similar size) is priced at $850. Amazfit recently announced the Balance Ultra at the same price ($600). Garmin has a more expensive Fenix 8 Pro model with LTE and satellite support. 

We’ll focus on two flagship watches with similar features and functionality to see if Amazfit’s most expensive watch is a better bet for you than a Garmin flagship.

Specifications

Amazfit Cheetah 2 Ultra

Garmin Fenix 8

Display

1.5-inch AMOLED, 480×480 pixels

1.4-inch AMOLED, 454×454 pixels

Weight (without strap)

52g

59g

Dimensions

47.4 x 47.4 x 15.6 mm           

47 x 47 x 13.8 mm

Battery life (GPS) 33 hours 35 hours
Battery life (smartwatch) 30 days 16 days
Water resistance 5 ATM 10 ATM
LED flashlight Two colors Two colors
Price $599.99 $849.99

You should buy the Amazfit Cheetah 2 Ultra if…

Describe what's shown in the image.

Matthew Miller/ZDNET

1. You are a Hyrox athlete

Amazfit is the official wearable partner of Hyrox and recently renewed the partnership for another three years. Hyrox combines running and functional workouts, so if you have an Amazfit wearable, you can train and compete in Hyrox with your device tracking your event. You can choose to compete in single, double, or team relay modes with the watch across eight workout disciplines.

Also: I did not expect this Amazfit watch to match my Garmin in functionality – but it delivered

The Cheetah 2 Ultra boasts a long battery life and a sleek form factor with a large, bright display so you can view your Hyrox status as you compete. The retail package includes both silicone and fabric watch bands, allowing you to wear what works best for your routine. I’m a huge fan of comfortable fabric bands, but the silicone one also has plenty of openings for sweat and comfort. 

2. You enjoy trail running and training plans

The Cheetah series of Amazfit watches focuses on runners, while the Cheetah 2 Ultra targets trail runners. There is a unique trail-running mode on the Cheetah 2 Ultra that applies load factor calculations for gradient, terrain resistance, and vertical gain, with slick, color-coded elevation maps to show severe ascents or challenging descents.

Set up your workout screens with the data you want

Matthew Miller/ZDNET

While Garmin has a few established training plans, Amazfit takes things further with customized training plans that you can set up through the Zepp smartphone app’s AI-based Zepp Coach, large default training plan library, custom training templates, or third-party training plans. 

I’ve enjoyed using the fully customizable Zepp Coach plans, which let you define how much and when you want to train to improve your performance. The plan syncs with the watch, and then customized data pages on the watch help you succeed. 

3. You want to save money

Although the Cheetah 2 Ultra is the most expensive Amazfit watch currently available, it still costs less than either the Garmin Fenix 8 or Forerunner 970. The lightweight and durable Cheetah 2 Ultra is made with premium materials, including a titanium body, titanium buttons, fiber-reinforced polymer pieces, and a sapphire glass display. Garmin charges a high premium for these materials.

Also: Whoop vs. Fitbit Air: I used both to track my health and fitness for a month – this one’s better

There is no annual subscription for access to advanced training metrics, Zepp Coach, nutrition and food logging, and other elements in the Zepp app. There is a low subscription fee (often $39.99 per year) that provides advanced sleep analysis and relaxation tools through the Zepp Aura service. I’ve been using Amazfit watches for years, and since I have no issues falling asleep or getting good sleep, I only use Zepp Aura’s free features.

You should buy the Garmin Fenix 8 if…

Describe what's shown in the image.

Matthew Miller/ZDNET

1. You are a diver or mountain biker

It’s that time of year when people go on vacation and spend time diving to check out the amazing underwater world below the waves. The Garmin Fenix 8 offers high-level water resistance and a 40-meter dive rating, in part thanks to its updated button design. The Fenix 8 also supports scuba and apnea dive activities. Surfline Sessions compatibility means it’s perfect for surfing.

Also: This Garmin beat my Apple Watch Ultra in almost every way (and it’s just as rugged)

The Fenix 8 is optimized for other rugged outdoor adventures, with support for Grit and Flow measurements when you ride your mountain bike, an activity profile for rucking with your pack, and Garmin Outdoor Maps Plus if you need more than the free maps offer. 

2. You live in the Garmin ecosystem

Garmin wearables have been around for a long time, and the company has built a fantastic ecosystem. If you like diving into all the data captured by your watch on a large display rather than a smartphone, then you will love logging in to the Garmin Connect website to track trends, run reports, and check your results.

The Garmin ecosystem is extensive and useful

Matthew Miller/ZDNET

Garmin watches connect with external Garmin sensors, Garmin bike computers, Oakley Meta sunglasses, Engo A/R glasses, bike trainers, and much more, so your watch can serve as just one element of a full fitness regime. You can connect your sleep data with an Index Sleep Monitor, track your weight with an Index Scale, and record your blood pressure in Garmin Connect with an Index Blood Pressure Monitor.

Also: How the Oakley Meta smart glasses beat my Ray-Bans on a 5-mile test walk

3. You use your watch for music, payments, and apps

Since Garmin is a large company, it has established deals with subscription-based music services to provide offline music on its devices. You can set up your compatible credit card and use your watch for wireless payments on the go. 

The third-party ecosystem continues to grow in the Garmin store, meaning you can pay for your coffee or snack after a run with the Starbucks app. Google Maps is also available as you walk around a city, with directions showing up on your watch.

Writer’s choice

The presence of a dedicated LED flashlight was once a key feature that would have me pick one watch over another, but now that Amazfit includes this tool on several watches, the light is no longer a distinguishing feature for Garmin. I enjoy using other devices in the Garmin ecosystem, but I currently find the Zepp smartphone application to be a bit more useful for providing key information at a glance.

The Amazfit Cheetah 2 Ultra has lasted a couple of weeks between charges, even with the always-on display activated. That capability means I can leave the charger behind as I travel around this summer. The Garmin Fenix 8 has a longer battery for continuous GPS tracking. However, the Cheetah 2 Ultra doubles battery performance for typical daily use, and that power sways me more than other features.





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Recent Reviews


1,000W, 10-port charger for $45... predictably disappointing.

1,000W, 10-port charger for $45… predictably disappointing. 

Adrian Kingsley-Hughes/ZDNET

Follow ZDNET: Add us as a preferred source on Google.


ZDNET’s key takeaways

  • Things that look “too good to be true” invariable are just that.
  • This example got dangerously hot in a short period of time before dying. 
  • There’s no legitimate charger that comes close to delivering on the 1,000W promise.

Being a tech reviewer for a living means that I get offered some very interesting things. Not interesting as in Bugatti supercars or jewel-encrusted Fabergé eggs, but interesting as in “this thing could easily be a fire hazard — want to take a look?”

Also: The best GaN chargers of 2026: Expert tested

Submissively, I often say yes. And I’m glad I did with the most recent pitch, because it was very interesting indeed.

Meet the “interesting” charger

This time around, the thing of interest was a charger that claimed to deliver an incredible 1,000W through its ten ports — four 140W USB-C ports, four 100W USB-C ports, and two 20W USB-A ports. 

The person who bought this charger told me that they’d plugged it in, used it to charge their phone for “a few minutes,” got worried when it became “a little hot,” and unplugged it.

That's a lot of promise... but (spoilers), they don't deliver!

That’s a lot of promise… but (spoilers), they don’t deliver!

Adrian Kingsley-Hughes/ZDNET

The unit was suspiciously light and plasticky, especially given its built-in power supply. Compare this to Ugreen’s Nexode 500W charger, which weighs a hair under 5 lb.

There was also a slight whiff of melty plastic, which made me think that this had been a bit more than a little hot. 

Also: This $4 router reboot timer is the cheap internet fix I didn’t know I needed – and it works reliably

Color me suspicious, but I had a gut feeling that the only way this charger would be able to push out 1,000W would be if it caught fire. 

Turns out I wasn’t far wrong.

How long would it last? Answer: Minutes

Talk is cheap. It was time to test the charger. 

So I plugged it in, turned it on, and started using it. Within a couple of minutes of starting to use it, I noticed a few things:

  • No matter what I tried, I couldn’t persuade the charger to deliver more than about 60W from any of the ports. 
  • As for peak output, I managed to get close to 250W.
  • The power output was very uneven and noisy, fluctuating wildly. The more ports I used, the worse it got.
  • The unit got very hot to the touch very quickly, even under light loads. 
  • But… before I could get the thermal camera out to check how hot it got, there was a pop and the unmistakable smell of “Magic Smoke.” The charger had been sent to Silicon Heaven within minutes.

Annnnd… POP! This is the moment the charger gave up the ghost.

Adrian Kingsley-Hughes/ZDNET

Diagnosis time

Time to take it apart and have a look inside. For an item that plugged into the mains power, this unit was shockingly easy to take apart. 

A thin sheet of easily removable plastic is a that separates curious hands from live AC power.

A thin sheet of easily removable plastic is a that separates curious hands from live AC power.

Adrian Kingsley-Hughes/ZDNET

And even unplugged and broken, it was capable of delivering zaps! If the case came off while this was plugged into an outlet, it could very easily be deadly.

There’s charge still in some of the capacitors, and these could deliver quite a zap despite the unit being broken and unplugged!

Adrian Kingsley-Hughes/ZDNET

After getting inside, the unit was filled with a grey goo that I’d seen in a previous disappointing charger I’d taken apart. This is a thermal paste that’s used to try to dissipate the heat generated by the components. 

It’s not really going to work because it’s sealed in a plastic box with no effective heatsink. It’s a token gesture at best. At worst, it creates a mass that’ll slowly heat up and hold temperature because it’s got no way to get rid of it.

Behold the grey goo!

Adrian Kingsley-Hughes/ZDNET

Next to this goo was a bank of capacitors — the black cylinders in the photo — which were the cause of the failure. They’d clearly overheated, with three of them showing signs of bulging.

The problem!

Adrian Kingsley-Hughes/ZDNET

Well there’s the problem!

I also noticed that two of the components — bridge rectifiers that are used to turn AC mains into DC — have been fixed on an angle to make the touch a metal heatsink. It’s not really an effective way to cool down components.

The bottom line

Another “too good to be true” device bites the dust. It’s not the first one I’ve come across, and it won’t be the last.

Moral of the story here is that manufactures are using big number marketing — in this case 1,000W and masses of ports — to scalewash poor quality products. 

This might be a half-decent product if it was built to deliver 100W, but there’s no end of competition at that end of the market. Silkscreen “1,000W” on the outside, sprinkle in a few reviews that feel scripted and fake, and all of a sudden it’s interesting and exciting… right up until it blows up. 

Also: My top 7 laptop-bag essentials now, after decades of remote work

I know of no 1,000W charger. In fact, the 500W Ugreen Nexode is the highest-power charger that I’ve tested that’s legit. And the price is also legit — $250. 

But it’s built to deliver on what it promises and is packed with safety features, including “tip-over protection,” which cuts the output when the unit tips over and prevents it from falling on its side, where it can’t dissipate heat effectively. Now that’s an attention to safety that I like to see in a product that handles that much power. 

But if you want 1,000W of output, you’ll have to buy two and duct tape them together.





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