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Apple iPhone Air
Apple Apple iPhone Air
2.6
Price TBA
View Details
Xiaomi 15 Ultra
Xiaomi Xiaomi 15 Ultra
512GB · 16GB RAM
4.3
From $1,099
View Details
★ Our Pick

Our Verdict

Analysis

Xiaomi 15 Ultra has the bigger display.

Overall Winner
Xiaomi 15 Ultra
Display Winner
Xiaomi 15 Ultra
Performance Winner
Tie
Camera Winner
Tie
Battery Winner
Tie
Value Winner
Tie

Specifications Comparison

Feature Apple iPhone Air Xiaomi 15 Ultra
Display size (in) 6.50 6.73
Charging (W) 50 90
Main camera (MP) 48.00 50.00
Selfie (MP) 18.00 32.00
Weight (g) 165 226
Thickness (mm) 5.60 9.35
Chipset Apple A19 Pro (3 nm) Snapdragon 8 Elite
OS iOS 26, upgradable to iOS 26.5 Android 15, HyperOS 2

Pros & Cons

Apple iPhone Air

Xiaomi 15 Ultra

  • Outstanding camera versatility
  • Fast wired and wireless charging
  • Bright display
  • Heavy
  • Software still polishing animations
  • Limited availability in some regions

Every Spec, Side by Side

Specification
Apple
Apple iPhone Air
Xiaomi
Xiaomi 15 Ultra
Battery 3 specs
Type
Li-Ion 3149 mAh
Market-dependent versions:· Si/C Li-Ion 5410 mAh - Global· Si/C Li-Ion 6000 mAh - China
Charging
Wired, PD2.0, 50% in 30 min 20 wireless MagSafe/Qi2, 50% in 30 min (15W - China) 4.5W reverse wired
90W wired, 80W wireless
Capacity
5410 mAh
Body 5 specs
Dimensions
156.2 x 74.7 x 5.6 mm (6.15 x 2.94 x 0.22 in)
161.3 x 75.3 x 9.35 mm
Weight
165 g (5.82 oz)
226 g
Build
Glass front (Ceramic Shield 2), titanium frame (grade 5), glass back (Ceramic Shield)
Glass front, glass-fiber reinforced plastic back or silicone polymer back (eco leather), aluminum frame
SIM
eSIM + eSIM (8 or more, max 2 at a time)
· Nano-SIM + Nano-SIM· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)
 
IP68 dust tight and water resistant (immersible up to 6m for 30 min) Apple Pay (Visa, MasterCard, AMEX certified)
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Aerospace-grade glass fiber
Connectivity 8 specs
WLAN
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, hotspot
Wi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band or tri-band, Wi-Fi Direct
Bluetooth
6.0, A2DP, LE
6.0, A2DP, LE, aptX HD, aptX Adaptive, LHDC 5
Positioning
GPS, GALILEO, GLONASS, QZSS, BDS, NavIC
GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASS
NFC
Yes
Yes
Radio
No
No
USB
USB Type-C 2.0
USB Type-C 3.2 Gen 2, DisplayPort, OTG
Infrared port
Yes
5G
Yes
Display 5 specs
Type
LTPO Super Retina XDR OLED, 120Hz, HDR10, Dolby Vision, 1000 nits (typ), 1600 nits (HBM), 3000 nits (peak)
LTPO AMOLED
Size
6.5 inches, 104.9 cm2 (~89.9% screen-to-body ratio)
6.73 inches
Resolution
1260 x 2736 pixels, 19.5:9 ratio (~460 ppi density)
1440 x 3200 pixels
Protection
Ceramic Shield 2, Mohs level 5
Xiaomi Shield Glass 2.0, Mohs level 6
 
Anti-reflective coating
Eu Label 4 specs
Free fall
Class B (180 falls)
Class C (90 falls)
Repairability
Class C
Class C
Energy
Class A
Class A
Battery
40:00h endurance, 1000 cycles
58:58h endurance, 1000 cycles
Features 2 specs
Sensors
Face ID, accelerometer, gyro, proximity, compass, barometer
Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass, barometer
 
Ultra Wideband (UWB) support (gen2 chip) Emergency SOS, Messages and Find My via satellite
Two-way satellite communication (China model only)
Launch 2 specs
Announced
2025, September 09
2025, February 27
Status
Available. Released 2025, September 19
Available. Released 2025, February 27
Main Camera 4 specs
Single
48 MP, f/1.6, 26mm (wide), 1/1.56", 1.0µm, dual pixel PDAF, sensor-shift OIS
Features
Dual-LED dual-tone flash, HDR (photo/panorama)
Laser AF, color spectrum sensor, Leica lenses, Dual-LED flash, HDR, panorama, 67mm filter ring holder (optional)
Video
4K@24/25/30/60fps, 1080p@25/30/60/120/240fps, HDR, Dolby Vision HDR (up to 60fps), stereo sound rec.
8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240/480/960/1920fps, gyro-EIS, Dolby Vision HDR 10-bit rec. (4K@60fps, 1080p)
Quad
50 MP + 50 MP + 200 MP + 50 MP
Memory 5 specs
Card slot
No
No
Internal
256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM
256GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
 
NVMe
UFS 4.1
RAM
16GB
Storage
512GB
Misc 5 specs
Colors
Space Black, Cloud White, Light Gold, Sky Blue
Black, White, Silver Chrome, Green
Models
iPhone18,4, A3517, A3260, A3518, A3516
25010PN30G
SAR
1.19 W/kg (head)     1.19 W/kg (body)    
SAR EU
1.49 W/kg (head)     1.49 W/kg (body)    
1.00 W/kg (head)     1.00 W/kg (body)    
Price
$ 760.81 / C$ 1,198.00 / £ 631.00 / € 725.38
$ 693.75 / £ 1,295.00 / € 812.34
Network 7 specs
Technology
GSM / CDMA / HSPA / EVDO / LTE / 5G
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900
 
1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 30, 38, 40, 41, 48, 66, 70, 75, 77, 78, 79 SA/NSA/Sub6 - A3518
1, 2, 3, 5, 7, 8, 12, 20, 26, 28, 38, 40, 41, 48, 66, 77, 78, 79, 80, 81, 83, 84, 89 SA/NSA - China
3G bands
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 34, 38, 39, 40, 41, 42, 48, 53, 66 - A3517
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 48, 66, 71 - International
5G bands
1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 30, 38, 40, 41, 48, 53, 66, 70, 75, 77, 78, 79 SA/NSA/Sub6 - A3517
1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 48, 66, 71, 75, 77, 78, 79 SA/NSA - International
Speed
HSPA, LTE, 5G, EV-DO Rev.A 3.1 Mbps
HSPA, LTE, 5G
Our Tests 3 specs
Display
998 nits max brightness (measured)
Loudspeaker
-29.8 LUFS (Average)
-24.1 LUFS (Very good)
Battery
Active use score 12:44h
Active use score 16:13h
Platform 4 specs
OS
iOS 26, upgradable to iOS 26.5
Android 15, HyperOS 2
Chipset
Apple A19 Pro (3 nm)
Snapdragon 8 Elite
CPU
Hexa-core (2x4.26 GHz + 4x2.60 GHz)
Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPU
Apple GPU (5-core graphics)
Adreno 830
Selfie Camera 3 specs
Single
18 MP multi-aspect, f/1.9, 20mm (ultrawide), PDAF SL 3D, (depth/biometrics sensor)
32 MP
Features
HDR, Dolby Vision HDR, 3D (spatial) audio, stereo sound rec.
HDR, panorama
Video
4K@24/25/30/60fps, 1080p@25/30/60/120fps, gyro-EIS
4K@30/60fps, 1080p@30/60fps, gyro-EIS
Sound 3 specs
Loudspeaker
Yes
Yes, with stereo speakers
3.5mm jack
No
No
 
24-bit/192kHz Hi-Res & Hi-Res Wireless audio Qualcomm XPAN (24-bit/96kHz audio)

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Common Questions

Which phone is the best in this comparison?

Xiaomi 15 Ultra has the bigger display.

How are the comparison winners decided?

We compare measurable specs (display size, battery capacity, RAM, charging, weight) and price (USD). When two phones tie or data is missing we mark the category "Depends".

Which is more affordable?

The cheaper option is shown as the value winner above. Prices are USD and may vary by region or retailer.