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UleFone Armor 29 Ultra vs Xiaomi 15 Ultra

What Armor 29 Ultra does better (9) and where 15 Ultra wins (19) — every spec side by side.

UleFone Armor 29 Ultra
UleFone · 2025Armor 29 Ultra
9.1Score
9 advantages≈ $820
vs
Xiaomi 15 Ultra
Xiaomi · 202515 Ultra
9.6Score
19 advantages≈ $900
Higher score
8.6Display9.0
7.6Camera9.7
9.7Battery9.3
8.5Features9.5
Dimensions

Size comparison

Armor 29 Ultra15 Ultra
85.6 × 177.333.875.3 × 161.39.4
Armor 29 Ultra15 UltraDifference
Height177.3 mm161.3 mm+16 mm
Width85.6 mm75.3 mm+10.3 mm
Thickness33.8 mm9.4 mm+24.4 mm
Weight688 g226 g+462 g

Drawn to the same scale from the official dimensions (front and side).

Why is Armor 29 Ultra better than 15 Ultra?

  1. Battery capacity21,200 mAh vs 5,410 mAh3.9×
  2. Wired charging120 W vs 90 W+33%
  3. Storage (base)1,024 GB vs 256 GB4×
  4. Memory card slotYes · 15 Ultra: No
  5. 3.5 mm headphone jackYes · 15 Ultra: No
  6. Repairability classB vs C
  7. Drop resistance classA vs C
  8. Endurance per cycle112 h vs 59 h+91%
  9. Selfie camera50 MP vs 32 MP+56%

Why is 15 Ultra better than Armor 29 Ultra?

  1. Weight688 g vs 226 g3×
  2. Optical stabilisationNo · Armor 29 Ultra: Yes
  3. Telephoto cameraNo · Armor 29 Ultra: Yes
  4. Wireless chargingNo · Armor 29 Ultra: Yes
  5. Stereo speakersNo · Armor 29 Ultra: Yes
  6. Peak brightness2,200 nits vs 3,200 nits+45%
  7. Thickness33.8 mm vs 9.4 mm3.6×
  8. 4K video frame rate30 fps vs 120 fps4×
  9. Pixel density395 ppi vs 522 ppi+32%
  10. CPU frequency3.4 GHz vs 4.32 GHz+27%
  11. 4K selfie videoNo · Armor 29 Ultra: Yes
  12. eSIMNo · Armor 29 Ultra: Yes
Specifications

Side by side

Xiaomi 15 UltraXiaomi 15 Ultra≈ $9009.6
Design
Weight688 g226 g
Thickness33.8 mm9.4 mm
Height177.3 mm161.3 mm
Width85.6 mm75.3 mm
Frame—Aluminium
Back—Silicone polymer
Ingress protectionIP68IP68
Water resistance (IPx)IPx8IPx8
Glass protectionCorning Gorilla Glass 5Xiaomi Shield Glass 2.0
ColoursBlackBlack, White, Silver Chrome, Green
Display
Screen size6.7″6.7″
PanelAMOLEDLTPO AMOLED
OLED panelYesYes
LTPO (adaptive 1–120 Hz)—Yes
Resolution (width)1,080 px1,440 px
Resolution (height)2,400 px3,200 px
Pixel density395 ppi522 ppi
Refresh rate120 Hz120 Hz
Peak brightness2,200 nits3,200 nits
Measured brightness—1,588 nits
Screen-to-body ratio70.8%89.7%
HDR—Yes
Performance
ChipsetMediatek Dimensity 9300+Qualcomm SM8750-AB Snapdragon 8 Elite
Chip makerMediaTekQualcomm
Process4 nm3 nm
CPU cores88
CPU frequency3.4 GHz4.32 GHz
GPUImmortalis-G720 MC12Adreno 830
AnTuTu score—3,030,376
Geekbench 6 (multi-core)—9,710
3DMark Wild Life Extreme—5,626
Memory
RAM16 GB16 GB
Storage (max)1,024 GB1,024 GB
Storage (base)1,024 GB256 GB
Storage typeUFS 4.0UFS 4.1
Memory card slotYesNo
Camera
Main camera50 MP50 MP
Main camera aperturef/1.9f/1.6
Main sensor size1"1"
Rear cameras34
Optical stabilisationNoYes
Ultra-wide cameraYesYes
Telephoto cameraNoYes
Optical zoom—4.3×
Max video8K8K
4K video frame rate30 fps120 fps
Selfie camera50 MP32 MP
4K selfie videoNoYes
Battery
Battery capacity21,200 mAh5,410 mAh
Battery typeLi-PoSi/C
Active use (test)—16.2 h
Wired charging120 W90 W
Charged in 30 min60%72%
Wireless chargingNoYes
Wireless charging power—80 W
Reverse wireless charging—Yes
Connectivity
5GYesYes
eSIMNoYes
Dual SIMYesYes
Wi-Fi standardWi-Fi 7Wi-Fi 7
Bluetooth5.46
NFCYesYes
USBUSB Type-C 3.2 Gen2USB Type-C 3.2 Gen 2
USB version3.23.2
Video output—Yes
Satellite messaging—Yes
Infrared port—Yes
Dual-band GPS—Yes
Satellite navigationGLONASS, GALILEO, BDS, QZSS, NavICGLONASS, GALILEO, BDS, QZSS, NavIC
Features
Stereo speakersNoYes
3.5 mm headphone jackYesNo
Loudspeaker loudness—-24.1 LUFS
Fingerprint sensorSideUnder display, ultrasonic
BarometerYesYes
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometerFingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass, barometer
SAR (head)—1 W/kg
Software
OS at launchAndroid 15Android 15
PlatformAndroidAndroid
Interface—HyperOS 3
Major OS updates promised—4
EU label
Energy classAA
Battery charge cycles1,0001,000
Endurance per cycle112 h59 h
Repairability classBC
Drop resistance classAC
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