Home Phone comparison Xiaomi 13 Ultra and Vivo iQOO 15 - Which is better?

Xiaomi 13 Ultra vs Vivo iQOO 15

81 out 100
Xiaomi 13 Ultra
VS
94 out 100
Vivo iQOO 15
Xiaomi 13 Ultra
Vivo iQOO 15

Compared 2 smartphones : Xiaomi 13 Ultra Manufactured in April, 2023, with display 6.73 with chipsetQualcomm Snapdragon 8 Gen 2, vs Vivo iQOO 15, Manufactured in October, 2025with chipsetQualcomm Snapdragon 8 Elite Gen 5. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose Xiaomi 13 Ultra
  • Higher pixel density: 522ppi
  • Supports Dolby Atmos
Reasons to choose Vivo iQOO 15
  • Larger display: 6.85in
  • Higher refresh rate: 144Hz
  • Lighter design: 220g vs 227g
  • Higher battery capacity: 7000mAh vs 5000mAh
  • Newer Bluetooth version: 6.0 vs 5.3

Versions

Available versions and configurations
Memory Options - 12/256 GB
- 12/512 GB
- 16/512 GB
- 16/1024 GB		 - 12/256 GB
- 12/512 GB
- 16/256 GB
- 16/512 GB
- 16/1024 GB

Review

Key Specs Xiaomi 13 Ultra and Vivo iQOO 15
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
Customize your score
Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Xiaomi 13 Ultra
vs
Vivo iQOO 15

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.73 in 6.85 in
Resolution 1440x3200 pixels 1440x3168 pixels
Aspect ratio 20:9 20:9
Pixel density 522 ppi 508 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate Yes Yes (1-120 Hz)
Max brightness 1300 nits 2600 nits
HDR support Yes Dolby Vision Yes, HDR10+
Touch Sampling Rate 240 Hz n/a
Screen-to-body ratio 89.7 % 90.2 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi 13 Ultra
1201 nits
Vivo iQOO 15
n/a
sRGB gamut97.4 %n/a
PWM (Flicker)120 Hzn/a
Response time1 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Xiaomi 13 Ultra]

Design & Build

Design and ergonomics comparison
Height 163.18 mm (6.42 in) 163.65 mm (6.44 in)
Width 74.64 mm (2.94 in) 76.8 mm (3.02 in)
Thickness 9.06 mm (0.36 in) 8.1 mm (0.32 in)
Weight 227 g (8.01 oz) 220 g (7.76 oz)
Water resistance IP68 IP69
Cooling system Vapor chamber Vapor chamber
Back panel Eco Leather n/a
Frame Metal Metal
Colors - White
- Black
- Green		 - White
- Black
- Blue
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi 13 Ultra
89.7 %
Vivo iQOO 15
90.2 %

Performance

Testing Xiaomi 13 Ultra and Vivo iQOO 15 In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Gen 2 Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 3200 MHz 4600 MHz
CPU Cores 8 (1 + 2 + 2 + 3) 8 (2 + 6)
Architecture - 3/2 (Cortex-A510)
- 2/2.8 (Cortex-A710)
- 2/2.8 (Cortex-A715)
- 1/3.2 (Cortex-X3)		 6/3.63 ()
Process TSMC TSMC
Transistor Size 4 nm 3 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 740 Adreno 840
GPU Cores 1536 1536
GPU Frequency 680 MHz 1200 MHz
FLOPS 2089 GFLOPS 3686.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi 13 Ultra
1995
Vivo iQOO 15
3641
Geekbench 6 (Multi-Core)
Xiaomi 13 Ultra
5419
Vivo iQOO 15
10982
Geekbench 6 (Single-Core)19953641
Geekbench 6 (Multi-Core)541910982
Geekbench Compute (GPU)n/a27923
Sources: Geekbench v6 [Vivo iQOO 15]
AnTuTu 10
AnTuTu 10
Xiaomi 13 Ultra
1524921
Vivo iQOO 15
4009400
CPU3891401102463
GPU5964051429688
Memory297015516447
UX242361960802
NanoReview Score15249214009400
3DMark Wild Life
3DMark Wild Life
Xiaomi 13 Ultra
11992
Vivo iQOO 15
n/a
Max Surface Temp.52 °Cn/a
Stability89 %n/a
Graphics Test71 fpsn/a
Graphics Score11992n/a
Sources: 3DMark [Xiaomi 13 Ultra]

Memory

RAM
RAM Size - 12 GB
- 16 GB		 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 3200 MHz 5300 MHz
Channels 4 4
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB		256 GB
Storage TypeUFS 4.0UFS 4.1
Memory CardNoNo

Software

OS Android 13 (Upgradeable to Android 14) Android 16
UI Skin HyperOS 1.0 OriginOS 6

Battery

Volume 5000 mAh 7000 mAh
Max Charging Power 90 W 100 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (50 W) Yes (40 W)
Reverse Charging Yes No
Fast Charging Yes (58% in 15 min) Yes
Full Charge Time 0:40 h n/a
Battery Life Test
Battery Life
Xiaomi 13 Ultra
23:30
Vivo iQOO 15
n/a
Web Browsing09:36 hn/a
Video Playback13:10 hn/a
Games05:28 hn/a
Standby Mode117 hn/a

Main camera

Matrix 503 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Optical, 5x Optical, 3x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K Recording Up to 24FPS Yes (Up to 30 fps)
4K Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 1920 fps (1080p) 240 fps (1080p)
Wide-angle lens 122 ° n/a
Lenses count Standard: 50.3 MP
Telephoto: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Depth		 Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix503 MP50 MP
Aperturef/1.9 - 4.0f/1.9
Focal length23 mm23 mm
SensorSony IMX989n/a
Sensor size1/11/1.56
Pixel size1.6 μm1 μm
AutofocusLaser autofocusPhase autofocus
StabilizationOpticalOptical
Telephoto
Matrix50 MP50 MP
Aperturef/3.0f/2.7
Focal length120 mmn/a
SensorSony IMX858n/a
Sensor size1/2.511/1.95
Pixel size0.64 μm0.8 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix50 MP50 MP
Aperturef/1.8f/2.1
Focal length12 mm15 mm
SensorSony IMX858n/a
Sensor size1/2.511/2.76
Pixel size0.64 μm0.64 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Xiaomi 13 Ultra
138
Vivo iQOO 15
n/a
Video quality
Xiaomi 13 Ultra
137
Vivo iQOO 15
n/a
Overall camera score
Xiaomi 13 Ultra
140
Vivo iQOO 15
n/a
Bokeh65n/a
Preview72n/a
Zoom147n/a
Sources: DxOMark [Xiaomi 13 Ultra]

Front camera

Matrix 32 MP 32 MP
Photo resolution 6528x4896 pixels n/a
Aperture f/2.0 f/2.2
Focal length 22 mm 21 mm
Sensor CMOS CMOS
Sensor size 1/3.14 n/a
Pixel size 0.7 μm n/a
Autofocus Phase autofocus No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 60 fps 2160p (4K) at 60 fps
TOF 3D sensor No No
Selfie camera DxOMark results
Photo quality
Xiaomi 13 Ultra
123
Vivo iQOO 15
n/a
Video quality
Xiaomi 13 Ultra
137
Vivo iQOO 15
n/a

Connectivity

Wi-Fi version Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.3 6.0
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 3.2 3.2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort Yes DP 1.2 Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM B3 / B5 / B8GSM 850/900/1800/1900MHz
3G BandsWCDMA B1 / B4 / B5 / B6 / B8 / B19WCDMA B1/B2/B4/B5/B6/B8/B19
LTE Bands*LTE (B1/B3/B4/B5/B7/B8/B12/B17/B18/B19/B26/B34/B38/B39/B40/B41/B42)LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B38/B40/B41/B42/B66)
LTE category20n/a
5G SupportYesYes

Sound

Speakers Stereo n/a
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes n/a
Speaker Test
Max Volume
Xiaomi 13 Ultra
89.5 dB
Vivo iQOO 15
n/a

Other

Class Flagship Flagship
Announced April, 2023 yr October, 2025 yr
Release Date April, 2023 yr October, 2025 yr
Launch Price ($) 1499 n/a
MSRP ($) n/a 590
Sensors - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 90 W Yes, 100 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Vivo iQOO 15 the clear winner in this comparison.

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