Garmin Forerunner 245 vs. 645 – Comparison of 2023

When it comes to first-class smartwatches, few can stand in comparison with Garmin.
The multinational tech company was established in 1989 in October, in the United States.
It is known to make some remarkable high-tech accessories, including Fitbit, Suunto, etc. However, one of its bestsellers is Forerunner.

Launched in 2003, the Forerunner is the perfect combo of elegance and class! And two of the most popular Garmin Garmin Forerunner 245 vs. 645products, the 245 and 645, are debatably the best of the series!
Now, you must be wondering which is better? To answer that, we came up with this article: Garmin 245 vs. 645.
We have thoroughly reviewed both the items and shall finally be putting an end to the whole ruckus!
Garmin Forerunner 245 vs 645 Comparison of 2023
Garmin Forerunner 245 | Garmin Forerunner 645 | |
---|---|---|
LENS MATERIAL | Corning® Gorilla® Glass 3 | chemically strengthened glass |
BEZEL MATERIAL | fiber-reinforced polymer | stainless steel |
GPS mode | Up to 24 hours | Up to 14 hours |
FACE ITâ„¢ WATCH FACE CREATOR | No | Yes |
GPS TIME SYNC | Yes | Yes |
FITNESS AGE | yes (in app) | No |
CONNECTIVITY | Bluetooth®, ANT+® | Bluetooth®, ANT+®, Wi-Fi® |
LIVE EVENT SHARING | Androidâ„¢ Only | No |
Price | Check Price | Check Price |
Garmin Forerunner 245
If you want an amazing smartwatch that has literally everything that you want, then this is it, my friend! Just like a traditional watch, this masterpiece allows you to check the time and date.
But that is not all it can do! The item is your best friend in the gym that will track your progress as you do your running.
It is a perfect accessory that comes with an advanced technology, which enables it to track whether you are undertraining or overtraining.
Plus, it comes with features such as stride length, ground contact time balance, vertical ratio, and more.
Thus, you will be getting a clear picture of your workout with all the relevant details.
Plus, the watch comes with a big display. It has a high-resolution screen that has a sizeable dimension of 1.2 inches in diameter, which lets you view and understand all the information with ease.
And it comes with a battery that powers the entire contraption for almost seven days (in smartwatch mode).
In addition to that, the device comes with a good wrist fitting. The watch can perfectly fit a wrist size from 127mm to 204mm, which should be sufficient for most users to wear the item without any complication.
Besides, the invention assures quick and easy usage, and thus, is a spectacular product for everyone to use.
It can also act as a music system. Just sync it with your music streaming app, and never get demotivated or bored while working out!
Finally, once you make the purchase, you get free content on workout routines from Garmin’s coaches and professional trainers.
And you can also custom make your workout regimen using the device.
Specifications:
Brand | Garmin |
Are Batteries Included | Yes |
Screen Size | 1.2 Inches |
Human Interface Input | Buttons |
Display Type | LCD |
Item Dimensions | 1.7 x 1.7 x 0.5 inches |
Map Type | Worldwide |
Connectivity Technology | GPS |
PROS
CONS
Related Comparison: Garmin Forerunner 235 vs. Vivoactive HR
Garmin Forerunner 645
Many smartwatches pale in comparison with the Garmin’s 645! Now, you must be thinking, why? You see, when manufacturers were making this gem, they made sure to give it everything, which includes top-notch performance, quick processing, swift connectivity, sleek design, and so much more! Let’s get more into details.
One of the most noteworthy things that this item has is its connectivity. It comes with huge memory, which enables you to save an ample number of songs (up to 500 if you need a specific estimate).
So, whenever you are doing your exercise, you will have your favorite songs motivating you to push further.
By the way, did you know this device has its own payment system? Yes, you read that right! Garmin’s Pay permits you to purchase just with a touch on your watch.
So, there is no need to worry if you have forgotten your wallet or phone at home.
Besides, the item is a masterpiece when it comes to its monitoring technology.
Due to this attribute, you can check and observe your health conditions while you do your exercise and get a clear idea of the progress that you are making!
We forgot to mention one more thing! With the help of this device, you will never miss important texts, calls, social media updates, email, or anything.
You see, the device is compatible with your phone, which allows you to connect it to your phone.
So, say bye-bye to checking your phone continuously while doing your workout.
Specifications:
Brand | Garmin |
Are Batteries Included | Yes |
Screen Size | 1.2 Inches |
Human Interface Input | Buttons |
Display Type | Sunlight-visible, transflective memory-in-pixel (MIP) |
Item Dimensions | 1.7 x 0.5 x 1.7 inches |
Map Type | Worldwide |
Connectivity Technology | Wi-Fi, Bluetooth, ANT+ |
PROS
CONS
Related Guide: Garmin Forerunner 935 vs. Fenix 5
Garmin 645 or 245 Smartwatch?

As you can see from the reviews, both the products are excellent, but here we shall find out which one of the two is the better option.
Therefore, no more beating around the bush!
Cost
Pricewise, both the products are similar! Both of them cost from 260-300 dollars.
However, the 645 is a little less pricy though the price difference between the two is barely significant.
Related Topic: Forerunner 230 vs 235
Looks
Both the products also have a similar look. They both have a black classic watch-like look and are quite sleek.
Nevertheless, we feel the 245 takes the win in the sector as it has a much cleaner yet rugged outlook, which makes it extremely desirable by both men and women.
In short, the 245 takes the win with its good looks and attractive design.
Connectivity
By now, it should be quite evident to you that both the 245 and 645 have excellent connectivity.
Both of them can effortlessly connect to almost all smart devices and give you all the health functionalities and perks! Yet, the 245 has one feature that gives it the edge over the 645, and it is its connectivity with online music streams.
The 245 is compatible with Spotify, which authorizes your access to an infinite number of songs. On the other hand, the 645 does come with a sizeable amount of memory to store your favorite songs.
Eventually, that space will be taken up, and you have to input new songs, delete the old ones, etc. That sounds like a hassle!
Suggested Comparison: Vivoactive 3 or Forerunner 45
Frequently Asked Questions
Here we have the most commonly asked queries regarding the two Garmin products:
Do you need to run with your phone for the watch to operate?
No, you do not! These watches have a built-in GPS, which enables you to get pin-point accurate results and information without having to run with your phone on you.
Is it difficult to connect to your smartphones?
You could do it with your eyes shut! All you have to do is connect it to your phone via Bluetooth and pick the exercise you will be doing, and you are good to go.
Are these fragile?
They have a pretty sturdy build, but the screen might break if too much pressure is applied.
Can these watches be heavy?
On average, a smartwatch doesn’t weigh more than 1.5 ounces, meaning they are quite light.u003cbru003eu003cbru003eIf they were heavy, using them would have been a tricky task!
How to know if the product you just bought is genuine or not?
If you thoroughly check, we are sure that you will find some information regarding the product somewhere on the watch.u003cbru003eu003cbru003eThe information authenticates the product, and it is original only if it has that.
Conclusion
From our comparison, we are quite sure that you understand which one is the better choice.
Therefore, in Garmin 245 vs. 645, the 245 is victories. It aces the 645 by a little bit, and you now know which one you should be eyeing for when you plan to buy a smartwatch.