Galaxy S24 Ultra vs Galaxy S23 Ultra: Samsung is making all the right moves

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Galaxy S24 Ultra and Galaxy S23 Ultra next to each other on a table

Intro


The Galaxy S24 Ultra is one of the best phone releases of 2024. Succeeding the Samsung Galaxy S23 Ultra, it is an exceptional Android flagship phone that covers all the bases: great performance, superb and versatile camera, top battery life, and tons of features that enrich the Android experience. 

Easily one of the best phones of 2024, period. 

But should you consider upgrading from the Galaxy S23 Ultra? If cooler heads prevail, you'd probably be wise to hold off on upgrading, as the differences in-between such close device generations are not that big. And yet, who's to say the Galaxy S24 Ultra wouldn't be the hottest commodity on the market come 2024? 

Let's see how the new Samsung Galaxy S24 Ultra stacks up against the aging but still perfectly capable Galaxy S23 Ultra:


As we already in late 2024, it's time to turn our heads to Samsung's next top super-premium flagship device––the Galaxy S25 Ultra. Coming in early 2025, this one will continue the evolution process. We expect the yearly hardware improvements as well as a slightly revamped design language that will see the sharp, flat edges at the bottom substituted for rounded ones. 

However, the overall changes won't be major, so we don't expect Galaxy S24 Ultra to find themselves in a "must-upgrade" situation. Generally, the same could apply to the Galaxy S23 Ultra, but that remains to be seen. 
  
Table of Contents:

Galaxy S24 Ultra with 512GB is now $321 off on Amazon

The S24 Ultra is at discounted prices on Amazon. You can now save $321 on the model with 512GB of storage. Not all colors arrive at the same discount.

Galaxy S24+, 256GB: Now $153 off at Amazon

The Galaxy S24+ is also available on Amazon. At the moment, the exciting Samsung device with 256GB of storage sells for 15% off, saving you $153.

Galaxy S24, 256GB: Now $80 off at Amazon

The Samsung Galaxy S24 with 256GB of storage is now $80 cheaper than usual at Amazon. At present, the only discounted color option is the one in Marble Gray.

Galaxy S24 Ultra is up to $750 off with trade-in

You can purchase a fully unlocked Galaxy S24 Ultra via the official Samsung store. The almighty AI genius arrives for up to $750 off with an eligible phone trade-in. This is the 256GB model.
$549 99
$1299 99
Buy at Samsung

Galaxy S24+: up to $600 off with eligible trade-in

If you don't care much for the latest and greatest flagship model from Samsung, consider the S24+. The middle member of the S24 family is currently up to $600 off with eligible trade-ins.
$519 99
$1119 99
Buy at Samsung

Galaxy S24: save up to $400 with a trade-in

The S24 arrives at Samsung as well. Right now, there are no discounts available before trade-ins, but you can trade in an eligible device to save up to $400. Online exclusive colors available.
$399 99
$799 99
Buy at Samsung

Galaxy S23 Ultra (512GB) is $180 off at Amazon

The 256GB Galaxy S23 Ultra in Green is available at Amazon. The smartphone retails for $180 off its usual price, but there are limited quantities available.

Design and Size

Not many changes, but expect some important changes
With the Galaxy S24 Ultra, Samsung keeps the same general design language as the Galaxy S23 Ultra, but ditches aluminum in favor of titanium, the premium new material to grace super high-end phones. The display on the Galaxy S24 Ultra is now completely flat, whereas the one on the Galaxy S23 Ultra has a very slight curve to the extreme sides: the Galaxy S24 Ultra is therefore more utilitarian. 

Both phones feel excellent in the hand, with the Galaxy S24 Ultra providing a bit more grip thanks to the brushed titanium frame. Yet, let's face it: you'll slap a case on it, so it doesn't really matter. 
 

There is still an S Pen on the Galaxy S24 Ultra, but there isn't anything new in terms of features in comparison with the Galaxy S23 Ultra. Speaking of features that persist, the IP68 water- and dust-resistance is here to stay.

The Galaxy S24 Ultra colors are Titanium Yellow, Titanium Violet, Titanium Black, and Titanium Gray; the intriguing Titanium Orange, Titanium Green, and Titanium Blue are exclusive to the Samsung.com store. Meanwhile, the Galaxy S23 Ultra is available in Lavender, Cream, Phantom Black, and Green; there are a few more Galaxy S23 Ultra colors exclusively available on Samsung.com.

Display Differences

Bright future ahead of us


The Galaxy S24 Ultra doesn't change the essential display specs and comes with the same 6.8-inch LTPO 3.0 OLED display with a dynamically switching 1-120Hz refresh rate, which definitely improves the viewing experience and is an altogether a nice-to-have feature. 

This makes its screen smooth, vibrant, and gorgeous. In all honesty, the Galaxy S23 Ultra isn't that much different, but it has a slight drawback.

The Galaxy S24 Ultra's display can achieve the super-high peak brightness of 2,600 nits. After two years of mostly staying one step behind most of the competition when it comes to maximum display brightness, Samsung finally joins the eye-scorching club. 

This would make the Galaxy S24 Ultra a phone that's perfectly legible in even the brightest environments. It's yet another top Android phone that employs superb peak brightness, just like the OnePlus 12 and the Google Pixel 8 Pro

Display Measurements:


In our display tests, the Galaxy S24 Ultra fares much better than the Galaxy S23 Ultra, achieving higher maximum brightness as well as better default color accuracy. 

While Samsung advertises peak brightness levels above 2,000 nits, you may notice that the brightness levels we've achieved are significantly lower. That's because we measure maximum brightness at 100% APL, which means the whole display is displaying a static white image at maximum brightness. Manufacturers usually measure over a smaller portion of the display, which enables the display diodes to draw more power and get brighter.

The lower reflectivity of the Gorilla Glass Armor also does an outstanding job at keeping those pesky reflections away. This is especially helpful under direct sunlight, elevating screen legibility to the next level.

No changes in the biometrics department: an ultrasonic fingerprint scanner built into the display is the main biometrics unlocking mechanism of choice on the Galaxy S24 Ultra. Face unlock is also on deck, so generally, no changes in comparison with the Galaxy S23 Ultra.

Performance and Software

Crouching tiger, hidden Snapdragon

Unlike the Galaxy S24 and Galaxy S24 Plus, the Galaxy S24 Ultra is powered by the Qualcomm Snapdragon 8 Gen 3 for Galaxy in all regions around the globe (the smaller phones only have this one in the US).

Just like the S23 Ultra's Snapdragon 8 Gen 2 for Galaxy chip, which was a slightly spiced-up version chip that most other Android flagships got, the Galaxy S24 Ultra gets a slightly better Snapdragon from the get-go as well.

The Snapdragon 8 Gen 3 for Galaxy is an octacore chip consisting of a prime Cortex-X4 core running at 3.3GHz, triple high-performance Cortex-A720 3.15GHz cores, dual Cortex-A720 clocked at 2.96GHz, and two efficiency Cortex-A520 cores that hum at 2.27GHz. 

The chipset will boast the Adreno 750 GPU, which is much faster than the one on the previous Snapdragon generation. Samsung boasts a much better performance in ray-traced graphics, as well as optimization for some of the most popular mobile games out there, good news for gamers worldwide.

In our benchmark tests, the Galaxy S24 Ultra totally dominates its predecessor in both Geekbench 6 and 3DMark Extreme. In real life, however, both phones feel quite snappy, so you might not notice such a large difference between the two devices. 

Performance Benchmarks:


Geekbench 6
SingleHigher is better
Samsung Galaxy S24 Ultra2187
Samsung Galaxy S23 Ultra1971
Geekbench 6
MultiHigher is better
Samsung Galaxy S24 Ultra6669
Samsung Galaxy S23 Ultra5115
3DMark Extreme(High)Higher is better
Samsung Galaxy S24 Ultra4960
Samsung Galaxy S23 Ultra3828
3DMark
Extreme(Low)Higher is better
Samsung Galaxy S24 Ultra2710
Samsung Galaxy S23 Ultra1951

In terms of storage and RAM, the Galaxy S24 Ultra comes with 12GB of RAM in all 256, 512GB, and 1TB storage versions. At the same time, the Galaxy S23 Ultra was available with 8GB of RAM in its most basic version, but also came with 12GB of RAM in the 256GB, 512GB, and 1TB storage tiers. 

Software-wise, the Galaxy S24 Ultra will likely come with One UI 6 based on Android 14, and will be supported for the massive amount of 7 years! This is huge, as it means you will be able to use your next Galaxy until the end of the decade and beyond if you wish so! 

Samsung announced that Android 15 and One UI 7 will arrive in early 2025, along with the Galaxy S25 range. We suppose that neither the Galaxy S24 Ultra, nor the Galaxy S23 Ultra will have to wait that long for the Android 15 update to reach them (a few weeks or a month, probably).

Camera

Upgrades… or downgrades?


We've run both the Galaxy S24 Ultra and the Galaxy S23 Ultra through our new PhoneArena Camera test, which tests both phones cameras in various situations, and the winner is clear: it's the Galaxy S24 Ultra that takes the cake. The Galaxy S23 Ultra, while great, lags behind in most tests, so if you want the very best, it's the Galaxy S24 Ultra that you should consider. 

PhoneArena Camera Score:


Photo
Video
Phone Camera
Score
Photo
Score
Main
(wide)
Ultra
Wide
Selfie Zoom
Samsung Galaxy S24 Ultra 156 162 83 24 28 28
Samsung Galaxy S23 Ultra 147 150 77 22 27 25
Phone Camera
Score
Video
Score
Main
(wide)
Ultra
Wide
Selfie Zoom
Samsung Galaxy S24 Ultra 156 151 77 21 28 24
Samsung Galaxy S23 Ultra 147 144 75 21 26 22
Find out more details about photo and video scores for all phones we have tested on our PhoneArena Camera Score page
 
Samsung made some radical changes to the camera setup on the back of the Galaxy S24 Ultra. It got rid of the 10X periscope and instead opted for a 5X telephoto camera with significantly improved resolution, enabling optical-grade zoom up to 10X. 

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This is a departure from most previous Galaxy Ultra phones, where the 10X periscope camera was the standout feature, delivering 100X Space Zoom. As luck would have it, the Galaxy S24 Ultra's 50MP telephoto still supports 100X Space Zoom.

The main camera on the Galaxy S24 Ultra sticks to 200MP, but boasts more capable software, supercharged by AI. Samsung boasts much greater low-light capabilities (Nightography) on the Galaxy S24 Ultra, for example. 

There's also a plethora of AI features that aim to make the Galaxy S24 Ultra camera experience better than before. Some of these include Magic Eraser, Generative Edits, and improved remaster are coming to the Galaxy S24 Ultra. You can also remove reflections from photos with the power of on-device Galaxy AI

As a refresher, the Galaxy S23 Ultra came with a 200MP F1.7 main camera, a 10MP 3X F2.4 telephoto, a 10MP 10X F4.9 periscope, and a 12MP ultra-wide camera, along with a 12MP front-facing camera.

Let's check out some real-world examples: 

Main Camera - Day



With the Galaxy S24 Ultra, Samsung is toning down the image processing in comparison with last year's Galaxy S23 Ultra. We can observe a much more natural image processing on the newer phone, with a more natural color rendition as well as less sharpening. 

Compared with that, the Galaxy S23 Ultra looks overdone and a bit too much, all things considered, but if over-sharpened details and boosted colors are your thing, there's nothing wrong with liking how the Galaxy S23 Ultra camera produce looks.

Main Camera - Low-light



In low-light conditions, we can see that the Galaxy S24 Ultra and the Galaxy S23 Ultra perform mostly the same, though the newer phone has slightly better dynamics and preserves more information in the shadows. With the Galaxy S23 Ultra, you don't get the same level of low-light dynamics. Still, the difference isn't that grand.

Zoom Quality



In good daylight, both the Galaxy S24 Ultra and Galaxy S23 Ultra perform similarly when it comes to zooming. Surprisingly, 10X looks equally good on both the new and the old phone, so one should totally not mourn the lack of a 10X dedicated periscope. Using the 50MP 5X telephoto seems to deliver mostly similar results, which is great. 



The same can be observed at nighttime. One can see some slight differences here and there, but those could be attributed to the marginal differences in taking the sample photos with each device.

Ultra-wide Camera






Selfies



If you're one that occasionally dabbles with selfies, then you won't really be disappointed with either, as both the Galaxy S24 Ultra and the Galaxy S23 Ultra are more than capable of capturing a superb selfie. 

Video quality


Video Thumbnail

Both phones capture excellent video. Colors, dynamics, and sharpness are exceptional; both are also quite competent and can zoom up to 10X during video recording at 4K@30fps. The Galaxy S24 Ultra does a slightly better job at exposing the scene and delivers better dynamics. That's especially true for the Galaxy S24 Ultra at night, which is noticeably better. The Galaxy S23 Ultra still does an outstanding job as well. 

Audio Quality and Haptics


Like the Galaxy S23 Ultra, Samsung's next flagship phone employs a dual speaker configuration. If it's anything like its predecessor, we'd be happy campers, as the Galaxy S23 Ultra is one of the better-sounding flagships of 2023, so our hopes for the Galaxy S24 Ultra are quite high. The same applies to the haptic feedback as well: Samsung has nailed the accurate vibrations, which enrich the premium flagship experience. 

Battery Life and Charging

No changes in battery size, but some changes in battery 

If you've been hoping that Samsung could have pulled out a magic wand and magically enlarged the Galaxy S24 Ultra's battery to larger proportions, then you're out of luck. There's a 5,000mAh battery making the rounds on the newest Galaxy flagship, which is just as much as the battery on the Galaxy S23 Ultra.

The Galaxy S24 Ultra doesn't last considerably longer than the Galaxy S23 Ultra on a single charge, which isn't a bad thing at all: the latter isn't too shabby when it comes to battery endurance, and we probably shouldn't expect such major gains.

In our custom browsing benchmark test, which has us replicate a regular browsing experience with the screen set at 200 nits, the Galaxy S23 Ultra surprisingly comes on top of its successor with a slightly better result. However, in our custom video playback test, the Galaxy S24 Ultra successfully regains some lost ground.

PhoneArena Battery and Charging Test Results:


Battery Life
Charging
Phone Battery Life
estimate
Browsing Video
Samsung Galaxy S24 Ultra
5000 mAh
7h 39min 20h 6min 8h 18min
Samsung Galaxy S23 Ultra
5000 mAh
7h 17min 18h 57min 8h 54min
Phone Full Charging 30 min Charge
Wired Wireless Wired Wireless
Samsung Galaxy S23 Ultra
5000 mAh
1h 6min 1h 56min 68% 26%
Samsung Galaxy S24 Ultra
5000 mAh
1h 9min 1h 58min 68% 33%
Find out more details about battery and charging for all phones we have tested on our PhoneArena Battery Score page

Charging-wise, Samsung sticks to 45W wired charging and 15W wireless charging, as well as reverse wireless charging that can top up your Galaxy Watch or earbuds. We didn't get a boost in charging speeds, but then again, we didn't expect to score one either, so it's mostly all good. You don't get a charger in the box of either phone, too. 


Specs Comparison


Below, you will find a brief summary of the Galaxy S23 Ultra vs Galaxy S24 Ultra specs



Summary



When it comes to breaking the existing state of affairs, the Galaxy S24 Ultra has actually solidified Samsung's spot at the very top.

The latest Samsung flagship touches upon the more important pillars of a great smartphone experience, delivering improved performance, a brighter display, and a camera experience enhanced by AI. 

However, the core essence of the large S Pen-wielding Samsung flagship remains largely unchanged––and that's actually great!

In reality, all Samsung had to do to make the Galaxy S24 Ultra great is slightly improve everything that made the Galaxy S23 Ultra so good in the first place, and that's precisely what has happened here.

Here's to hoping the company will capture the same mojo with the Galaxy S25 Ultra, too. 
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