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Xiaomi 15 Ultra
Xiaomi Xiaomi 15 Ultra
512GB · 16GB RAM
4.3
From $1,099
View Details
OnePlus 13
OnePlus OnePlus 13
256GB · 12GB RAM
4.2
From $899
View Details
★ Our Pick

Our Verdict

Analysis

OnePlus 13 has the larger battery; OnePlus 13 has the bigger display; Xiaomi 15 Ultra has the more RAM; OnePlus 13 has the cheaper price.

Overall Winner
OnePlus 13
Display Winner
OnePlus 13
Performance Winner
Xiaomi 15 Ultra
Camera Winner
Tie
Battery Winner
OnePlus 13
Value Winner
OnePlus 13

Specifications Comparison

Feature Xiaomi 15 Ultra OnePlus 13
Display size (in) 6.73 6.82
Battery (mAh) 5410 6000
Charging (W) 90 100
RAM (GB) 16 12
Storage (GB) 512 256
Weight (g) 226 210
Thickness (mm) 9.35 8.50
OS Android 15, HyperOS 2 Android 15, OxygenOS 15

Pros & Cons

Xiaomi 15 Ultra

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

OnePlus 13

  • Very fast charging
  • Large battery
  • Smooth software
  • Limited zoom range vs rivals
  • No microSD
  • Polarising design

Every Spec, Side by Side

Specification
Xiaomi
Xiaomi 15 Ultra
OnePlus
OnePlus 13
Battery 3 specs
Type
Market-dependent versions:· Si/C Li-Ion 5410 mAh - Global· Si/C Li-Ion 6000 mAh - China
Si/C Li-Ion 6000 mAh
Capacity
5410 mAh
6000 mAh
Charging
90W wired, 80W wireless
100W wired, 50W wireless
Body 5 specs
Build
Glass front, glass-fiber reinforced plastic back or silicone polymer back (eco leather), aluminum frame
Glass front (Ceramic Guard), glass back or silicone polymer back (eco leather), aluminum frame
SIM
· Nano-SIM + Nano-SIM· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)
· Nano-SIM + Nano-SIM + eSIM (max 2 at a time)· Nano-SIM + Nano-SIM
 
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Aerospace-grade glass fiber
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
Weight
226 g
210 g
Dimensions
161.3 x 75.3 x 9.35 mm
162.9 x 76.5 x 8.5 mm
Connectivity 8 specs
WLAN
Wi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band or tri-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac/6/7, dual or tri-band, Wi-Fi Direct
Bluetooth
6.0, A2DP, LE, aptX HD, aptX Adaptive, LHDC 5
5.4, A2DP, LE, aptX HD, LHDC 5
Positioning
GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASS
GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC
Infrared port
Yes
Yes
Radio
No
No
USB
USB Type-C 3.2 Gen 2, DisplayPort, OTG
USB Type-C 3.2, OTG
5G
Yes
Yes
NFC
Yes
Yes
Display 5 specs
Type
LTPO AMOLED
LTPO AMOLED
Protection
Xiaomi Shield Glass 2.0, Mohs level 6
Ceramic Guard glass, Mohs level 4
Size
6.73 inches
6.82 inches
Resolution
1440 x 3200 pixels
1440 x 3168 pixels
 
Ultra HDR image support
Eu Label 4 specs
Energy
Class A
Class A
Battery
58:58h endurance, 1000 cycles
61:36h endurance, 1000 cycles
Free fall
Class C (90 falls)
Class D (45 falls)
Repairability
Class C
Class B
Features 2 specs
Sensors
Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass, barometer
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
 
Two-way satellite communication (China model only)
Launch 2 specs
Announced
2025, February 27
2024, October 31
Status
Available. Released 2025, February 27
Available. Released 2024, November 01
Main Camera 4 specs
Features
Laser AF, color spectrum sensor, Leica lenses, Dual-LED flash, HDR, panorama, 67mm filter ring holder (optional)
Laser focus, Hasselblad Color Calibration, color spectrum sensor, Dual-LED flash, HDR, panorama
Video
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)
8K@30fps, 4K@30/60fps, 1080p@30/60/240/480fps, Auto HDR, gyro-EIS, Dolby Vision
Quad
50 MP + 50 MP + 200 MP + 50 MP
Triple
50 MP + 50 MP + 50 MP
Memory 5 specs
Card slot
No
No
Internal
256GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 24GB RAM
 
UFS 4.1
UFS 4.0
RAM
16GB
12GB
Storage
512GB
256GB
Misc 5 specs
Colors
Black, White, Silver Chrome, Green
Black Eclipse, Arctic Dawn, Midnight Ocean
Models
25010PN30G
CPH2655, CPH2653, PJZ110, CPH2649
SAR EU
1.00 W/kg (head)     1.00 W/kg (body)    
Price
$ 693.75 / £ 1,295.00 / € 812.34
$ 799.99 / £ 619.99 / € 739.90 / ₹ 57,999
SAR
1.13 W/kg (head)     1.15 W/kg (body)    
Network 7 specs
Technology
GSM / HSPA / LTE / 5G
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - International
4G bands
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
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 38, 39, 40, 41, 48, 66, 71 - International
 
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
1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA - China, India
5G bands
1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 48, 66, 71, 75, 77, 78, 79 SA/NSA - International
1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 30, 38, 40, 41, 48, 66, 71, 75, 77, 78 SA/NSA/Sub6 - International
Speed
HSPA, LTE, 5G
HSPA, LTE, 5G
Our Tests 4 specs
Loudspeaker
-24.1 LUFS (Very good)
-23.5 LUFS (Very good)
Battery
Active use score 16:13h
Active use score 15:28h
Performance
AnTuTu: 2690491 (v10) GeekBench: 9278 (v6) 3DMark: 6615 (Wild Life Extreme)
Display
1204 nits max brightness (measured)
Platform 4 specs
GPU
Adreno 830
Adreno 830
CPU
Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
OS
Android 15, HyperOS 2
Android 15, OxygenOS 15
Chipset
Snapdragon 8 Elite
Snapdragon 8 Elite
Selfie Camera 3 specs
Features
HDR, panorama
HDR, panorama
Video
4K@30/60fps, 1080p@30/60fps, gyro-EIS
4K@30/60fps, 1080p@30/60fps, gyro-EIS
Single
32 MP
32 MP
Sound 3 specs
Loudspeaker
Yes, with stereo speakers
Yes, with stereo speakers
3.5mm jack
No
No
 
24-bit/192kHz Hi-Res & Hi-Res Wireless audio Qualcomm XPAN (24-bit/96kHz audio)
24-bit/192kHz Hi-Res audio

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Common Questions

Which phone is the best in this comparison?

OnePlus 13 has the larger battery; OnePlus 13 has the bigger display; Xiaomi 15 Ultra has the more RAM; OnePlus 13 has the cheaper price.

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.