Oppo ’s top - end uncovering X8 Ultra is official – but how does it equate to the similarly television camera - focused Xiaomi 15 Ultra ?
While both are undoubtedly some of thebest camera phonesaround in 2025 , offer huge sensors and telling zoom capabilities , there are cardinal difference between the two that could rock your decision one direction or the other . That let in not only element like camera tech and accessories , but battery lifespan and even handiness .
Here ’s how theOppo discovery X8 Ultracompares to theXiaomi 15 Ultraon paper .
Xiaomi 15 Ultra Camera Kit
Pricing and availability
Unlike the Oppo breakthrough X8 Pro that launch widely in the UK and Europe , Oppo ’s happen X8 Ultra is China - exclusive – for now , anyway . It ’ll likely persist that way , as was the fount with last year ’s discover X7 Ultra , but we can hold out hope .
The Xiaomi 15 Ultra is comparatively well-heeled to get a handle of . The phone was revealed at MWC in March , and went on sale in the UK and Europe shortly after . It ’s dear , though , come in at £ 1,299 with 512 GB of storage .
The Oppo Find X8 Ultra is thinner and more durable
Though neither phone could be report as truly thin and light , the Oppo breakthrough X8 Ultra is the slimmer of the two . It measures 8.8 millimeter compact compare to the 9.4 mm of the Xiaomi 15 Ultra , though both weigh in at the same 226 g.
Where the Find X8 Ultra truly stands out is with the camera bump ; despite lodging a 1 - column inch detector and multiple periscope camera , the television camera housing is comparatively shallow equate to that of the Xiaomi 15 Ultra – based on our unforesightful hands - on time with the X8 Ultra , anyway .
It ’s not just thinner , either . With combined IP68 and IP69 dust and water resistance , the Oppo flagship can be dunked in 1.5 K of water system for up to 30 minutes and handle high - pressure pee spirt .
Xiaomi 15 Ultra Camera Kit
The Xiaomi 15 Ultra ’s IP68 mean it can jibe the former , but not the latter . It also utilize Xiaomi ’s proprietary Shield Glass 2.0 compared to the Gorilla Glass offered by Oppo ’s flagship .
Elsewhere , the breakthrough X8 Ultra is available in Pure White , Matte Black and Shell Pink , while the Xiaomi 15 Ultra comes in pitch-black , White , Green or a exceptional Leica - root on Silver Chrome finish – though handiness differs between regions .
The two phones are fairly evenly matched in the camera department
Both the Oppo Find X8 Ultra and Xiaomi 15 Ultra are camera - focused flagship with the hardware to demonstrate it . Though , rather ironically , despite offering good camera tech than most smartphones on the market place , the hardware is reasonably similar between the two .
Both offer a 50MP main camera plump for by a large 1 - inch tv camera sensor , a low density in the smartphone securities industry , double-dyed with two-fold pixel PDAF and OIS . The X8 Ultra ’s f/1.8 aperture is n’t as wide as the f/1.6 of the 15 Ultra , but that should n’t make much of a conflict in real - world enjoyment .
There are a few differences when it comes to the auxiliary lenses , and the zoom lens system in particular . Both extend the same 50MP 3x zoom lens , though Oppo ’s 1/1.56 - in sensor is larger than the 1/2.51 - column inch option from Xiaomi .
Oppo also use periscope technology in place of Xiaomi ’s floating telephoto engineering . This should grant for better quality zoom between the 3x and 6x Gospel According to Mark from the former , while the latter should handle telemacro snapshot better .
When it comes to the 2nd rapid climb lens , it seems Xiaomi has the upper hand . At 200MP , the 4.3x periscope lens is n’t just high Re than the 50MP 6x alternative from Oppo , but with a 1/2.76 - inch sensor , it ’s larger than Oppo ’s 1/1.95 - in sensor . This should render to good soar carrying out , but we ca n’t say for indisputable until we thoroughly test the Find X8 Ultra .
The quad photographic camera apparatus on both earphone is fill out out by near - identical 50MP ultrawide lens , complete with PDAF , for scenic prospect and group selfies .
The Xiaomi 15 Ultra works with a dedicated Camera Kit
Xiaomi really embraces the 15 Ultra ’s photographic camera - first nature with the Xiaomi 15 Ultra Camera Kit , an optional £ 179 outfit that take the shooting experience to the next level . It includes a stylized caseful with a grippy simulated leather finish that earmark you to add a even 67 mm DSLR genus Lens filter to the rear lenses – but that ’s not all .
There ’s also what Xiaomi calls a photography suitcase , which essentially turns the phone into a digital camera . The snip - on accessory features strong-arm control for shutter ascendence and video recording , a soar lever that can flip focal lengths , and a customisable telephone dial that can master EV , shutter speed , ISO , and blanched balance on the fly .
This essentially means that you no longer postulate to interact with the phone ’s filmdom when taking photos . It also has low-toned latency thanks to a unmediated USB - C joining and a built - in 2000mAh barrage that can even provide extra succus to the phone when required .
Nothing of the kind is useable for the Oppo Find X8 Ultra – in terms of first - party accessories , anyway – pay the Xiaomi 15 Ultra an boundary , even if it is an optional accessory .
Both offer Snapdragon 8 Elite power
The Oppo Find X8 Ultra and Xiaomi 15 Ultra are equally matched in term of power , with both using Qualcomm ’s latest and gravid Snapdragon 8 Elite .
As we ’ve seen from our Xiaomi 15 Ultra testing , the chipset is exceptionally powerful . It offer a massive class - on - class leap compared to last class ’s Snapdragon 8 Gen 3 and well performance than Apple ’s A18 Pro – and we expect similar performance from the X8 Ultra .
Both phones can make good usance of the chipset with 12- or 16 GB of RAM available , and both propose up to 1 TB of storage too – though availability varies between regions . Hey , you ’ll need all the space you could get for all those fantastical photos you ’ll be capture !
The Oppo Find X8 Ultra has a bigger battery and faster charging
Both the Find X8 Ultra and Xiaomi 15 Ultra boast the newer Si C barrage engineering that allows for high mental ability battery in flimsy grade , and as such , both offer massive battery .
That say , Xiaomi ’s 15 Ultra has a different capacity depending on where you buy it . If you nibble it up in China , you ’ll get a humongous 6000mAh cell , though in the UK and Europe , it ’s limited to 5410mAh – likely due to battery shipping regulations in the EU .
The X8 Ultra , on the other hand , proffer a large 6100mAh battery than both variants of 15 Ultra . As it ’s not coming to the UK or EU , there ’s no need for a scurvy capacity edition either .
The Find X8 Ultra also has faster wired excite at 100W compared to Xiaomi ’s 90W , though both need proprietary battery charger to hit those top speeds . The Find X8 Ultra also offers 50W wireless and 10W reverse wireless charging , falling slightly behind the 80W wireless and 10W reverse charging of the 15 Ultra .
Early thoughts
Both the Oppo breakthrough X8 Ultra and Xiaomi 15 Ultra are camera - focalize flagship at the top of their respective game , with very little between them .
The photographic camera tech is comparable , as is the general operation . Instead , your determination will belike be influenced by smaller factor like the camera technical school within individual sensors and the availability of photographic camera - concentre accessories – as well as accessibility , of course .
That say , we ’ll obtain off on deliver our net sound judgment until we ’ve expend some more time with the Oppo Find X8 Ultra .
Xiaomi 15 Ultra Camera Kit
Xiaomi 15 Ultra. Image Credit (Trusted Reviews)
Oppo Find X8 Ultra. Image Credit (Trusted Reviews)
Xiaomi 15 Ultra Camera Kit
Xiaomi 15 Ultra. Image Credit (Trusted Reviews)
Oppo Find X8 Ultra. Image Credit (Trusted Reviews)
