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InnoReviews

OnePlus Ace 6 vs Xiaomi 15 Ultra

OnePlus Ace 6
67.3Inno Score
VS
WINNER
Xiaomi 15 Ultra

Xiaomi

Xiaomi 15 Ultra

$1,499

75.9Inno Score
64.4Performance79.1
68Display69.1
42.6Camera73.2
85.9Battery79
86.7Features78.7
6 spec wins — OnePlus Ace 66 spec wins — Xiaomi 15 Ultra

InnoReviews verdict

Xiaomi 15 Ultra wins this phone face-off, 75.9 to 67.3, pulling ahead mainly in camera (+31) and performance (+15). OnePlus Ace 6 still makes sense if its price or standout specs fit your needs better.

Which would you pick?

Key differences

Reasons to pick the OnePlus Ace 6

  • Stronger battery score: 86 vs 79
  • Stronger features score: 87 vs 79
  • 44% higher capacity: 7,800 mAh vs 5,410 mAh
  • 38% higher Refresh rate: 165 Hz vs 120 Hz
  • 33% higher Wired charging: 120 W vs 90 W

Reasons to pick the Xiaomi 15 Ultra

  • Stronger performance score: 79 vs 64
  • Stronger camera score: 73 vs 43
  • 525% higher ultra-wide: 50 MP vs 8 MP
  • 330% higher Optical zoom: 4.3 x vs 1 x
  • 100% higher Front camera: 32 MP vs 16 MP

Display

Display comparison: OnePlus Ace 6 versus Xiaomi 15 Ultra
SpecOnePlus Ace 6Xiaomi 15 Ultra
Screen size6.83 ″+1%6.73 ″
Panel typeAMOLEDLTPO AMOLED
Resolution1272x28001440x3200
Pixel density450 ppi522 ppi+16%
Refresh rate165 Hz+38%120 Hz
Peak brightness1,800 nits3,200 nits+78%
Screen-to-body—90 %

Performance

Performance comparison: OnePlus Ace 6 versus Xiaomi 15 Ultra
SpecOnePlus Ace 6Xiaomi 15 Ultra
ChipsetSnapdragon 8 EliteSnapdragon 8 Elite
AnTuTu—2,650,000
Geekbench 6 (single)—3,050Top 12%
Geekbench 6 (multi)—9,600Top 11%
RAM (max)16 GB16 GB
Storage options256/512GB/1TB256/512GB/1TB
Storage typeUFS 4.1UFS 4.1

Camera

Camera comparison: OnePlus Ace 6 versus Xiaomi 15 Ultra
SpecOnePlus Ace 6Xiaomi 15 Ultra
Main camera50 MP50 MP
Main aperturef/1.8f/1.63
Ultra-wide8 MP50 MP+525%
Telephoto—200 MP
Optical zoom1 x4.3 x+330%
Max video—8K@30fps
Front camera16 MP32 MP+100%
OISYesYes

Battery

Battery comparison: OnePlus Ace 6 versus Xiaomi 15 Ultra
SpecOnePlus Ace 6Xiaomi 15 Ultra
Capacity7,800 mAh+44%5,410 mAh
Wired charging120 W+33%90 W
Wireless charging0 W80 W
Active use endurance—12 h

Design

Design comparison: OnePlus Ace 6 versus Xiaomi 15 Ultra
SpecOnePlus Ace 6Xiaomi 15 Ultra
Weight213 g+6%226 g
Thickness8.3 mm+11%9.4 mm
IP ratingIP66/IP68/IP69/IP69KIP68
Frame materialMetalAluminum

Connectivity

Connectivity comparison: OnePlus Ace 6 versus Xiaomi 15 Ultra
SpecOnePlus Ace 6Xiaomi 15 Ultra
5GYesYes
Wi-FiWi-Fi 7Wi-Fi 7
Bluetooth5.46.0
NFCYesYes
USBUSB-C 2.0USB-C 3.2
eSIM—Yes

Software

Software comparison: OnePlus Ace 6 versus Xiaomi 15 Ultra
SpecOnePlus Ace 6Xiaomi 15 Ultra
OS at launchAndroid 16 (ColorOS 16)Android 15 (HyperOS 2)
OS update pledge—4 years

Audio

Audio comparison: OnePlus Ace 6 versus Xiaomi 15 Ultra
SpecOnePlus Ace 6Xiaomi 15 Ultra
Stereo speakersYesYes
3.5mm jack—No

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