Realme 14 5G vs Xiaomi 15 Ultra

66 out 100
Realme 14 5G
VS
95 out 100
Xiaomi 15 Ultra

Compared 2 smartphones : Realme 14 5G Manufactured in March, 2025, with display 6.67 with chipsetQualcomm Snapdragon 6 Gen 4, vs Xiaomi 15 Ultra, Manufactured in February, 2025with chipsetQualcomm Snapdragon 8 Elite. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Realme 14 5G
  • Lighter design: 196g vs 226g
  • Higher battery capacity: 6000mAh vs 5410mAh
Reasons to choose Xiaomi 15 Ultra
  • Larger display: 6.73in
  • Higher pixel density: 522ppi
  • Newer Bluetooth version: 6.0 vs 5.2
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Supports Dolby Atmos
  • Infrared port
  • Built-in eSIM

Versions

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

Review

Key Specs Realme 14 5G and Xiaomi 15 Ultra
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.
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Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
vs

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.67 in 6.73 in
Resolution 1080x2400 pixels 1440x3200 pixels
Aspect ratio 20:9 20:9
Pixel density 395 ppi 522 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (60-120 Hz) Yes (1-120 Hz)
Max brightness 2000 nits n/a
HDR support n/a Yes Dolby Vision
Touch Sampling Rate 180 Hz 300 Hz
Screen-to-body ratio 87 % 90 %
Features - DCI-P3
- Always-On Display
- DC dimming
- DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Realme 14 5G
n/a
Xiaomi 15 Ultra
1599 nits
sRGB gamutn/a99.7 %
PWM (Flicker)n/a120 Hz
Response timen/a1 ms
Contrastn/a∞ Infinite

Design & Build

Design and ergonomics comparison
Height 163.1 mm (6.42 in) 161.3 mm (6.35 in)
Width 75.7 mm (2.98 in) 75.3 mm (2.96 in)
Thickness 8 mm (0.31 in) 9.35 mm (0.37 in)
Weight 196 g (6.91 oz) 226 g (7.97 oz)
Water resistance IP69 IP68
Cooling system n/a Vapor chamber
Back panel Plastic Glass
Frame Plastic Metal
Colors - Silver
- Gray
- Pink
- White
- Black
- Silver
- Green
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Realme 14 5G
87 %
Xiaomi 15 Ultra
90 %

Performance

Testing Realme 14 5G and Xiaomi 15 Ultra In benchmarks
Processor
Chipset Qualcomm Snapdragon 6 Gen 4 Qualcomm Snapdragon 8 Elite
Max Frequency 2300 MHz 4320 MHz
CPU Cores 8 (1 + 3 + 4) 8 (2 + 6)
Architecture - 4/1.8 (Kryo Silver (Cortex-A520))
- 3/2.2 (Kryo Gold (Cortex-A720))
- 1/2.3 (Kryo Prime (Cortex-A720))
- 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))
Process TSMC TSMC
Transistor Size 4 nm 3 nm
Neural Processor Yes Hexagon
Graphics Adreno 810 Adreno 830
GPU Cores 256 1536
GPU Frequency 895 MHz 1100 MHz
FLOPS 458.2 GFLOPS 3379.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Realme 14 5G
1067
Xiaomi 15 Ultra
3008
Geekbench 6 (Multi-Core)
Realme 14 5G
3080
Xiaomi 15 Ultra
9065
Geekbench 6 (Single-Core)10673008
Geekbench 6 (Multi-Core)30809065
AnTuTu 10
AnTuTu 10
Realme 14 5G
684046
Xiaomi 15 Ultra
2544373
CPU253546558586
GPU1753781040161
Memory117189520300
UX137933425326
NanoReview Score6840462544373

Memory

RAM
RAM Size 12 GB 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 2133 MHz 5333 MHz
Channels 2 2
Storage
Storage Capacity- 256 GB
- 512 GB
256 GB
Storage TypeUFS 3.1UFS 4.1
Memory CardNoNo

Software

OS Android 15 Android 15
OS Size n/a 23.9 GB
UI Skin Realme UI 6.0 HyperOS 2.0

Battery

Volume 6000 mAh 5410 mAh
Max Charging Power 45 W 90 W
Battery Type Silicon Carbon (Si/C) Silicon Carbon (Si/C)
Removable No No
Wireless Charging No Yes (80 W)
Reverse Charging No Yes (Wireless)
Fast Charging Yes (50% in 30 min) Yes (72% in 30 min)
Full Charge Time 1:19 h 0:51 h
Battery Life Test
Battery Life
Realme 14 5G
n/a
Xiaomi 15 Ultra
30:03
Web Browsingn/a12:19 h
Video Playbackn/a18:43 h
Gamesn/a06:45 h
Standby Moden/a141 h

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Digital Optical, 4.3x
Flash LED Dual LED
Stabilization Optical Optical
8K Recording No Yes (Up to 30 fps)
4K Recording Yes (Up to 30 fps) Yes (Up to 120 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 120 fps (1080p) 1920 fps (1080p)
Wide-angle lens n/a 115 °
Lenses count Standard: 50 MP
Depth: 2 MP
Standard: 50 MP
Telephoto: 200 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Depth
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.63
Focal length27 mm23 mm
SensorOmnivision OV50D40 Light Hunter 400Sony LYT-900
Sensor size1/2.881/1.0
Pixel size0.61 μm1.6 μm
AutofocusPhase autofocusLaser autofocus
StabilizationOpticalOptical
Telephoto
Matrixn/a200 MP
Aperturen/af/2.6
Focal lengthn/a100 mm
Sensorn/aSamsung ISOCELL S5KHP9
Sensor sizen/a1/1.4
Pixel sizen/a0.56 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrixn/a50 MP
Aperturen/af/2.2
Focal lengthn/a14 mm
Sensorn/aSamsung S5KJN5
Sensor sizen/a1/2.76
Pixel sizen/a0.64 μm
Stabilizationn/aDigital
Main camera DxOMark results
Photo quality
Realme 14 5G
n/a
Xiaomi 15 Ultra
158
Video quality
Realme 14 5G
n/a
Xiaomi 15 Ultra
134
Overall camera score
Realme 14 5G
n/a
Xiaomi 15 Ultra
153
Bokehn/a80
Previewn/a89

Front camera

Matrix 16 MP 32 MP
Photo resolution 4920x3264 pixels 6528x4896 pixels
Aperture f/2.4 f/2.0
Focal length 24 mm 22 mm
Sensor Sony IMX480 Omnivision OV32B
Sensor size 1/3.09 1/3.14
Pixel size 1 μm 0.7 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 6 (802.11 a/b/g/n/ac/ax) 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 5.2 6.0
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 2 3.2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
DisplayPort No Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
NFC* Yes Yes
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G Bandsn/aGSM 2/3/5/8
3G Bandsn/aWCDMA 1/2/4/5/6/8/19
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B18/B19/B20/B26/B28/B34/B38/B39/B40/B41/B42/B48/B66)
5G SupportYesYes

Sound

Speakers Stereo n/a
3.5 mm Jack No No
FM Radio No No
Dolby Atmos n/a Yes
Speaker Test
Max Volume
Realme 14 5G
n/a
Xiaomi 15 Ultra
92.1 dB

Other

Class Mid-range Flagship
Announced March, 2025 yr February, 2025 yr
Release Date March, 2025 yr February, 2025 yr
Launch Price ($) 410 n/a
MSRP ($) n/a 1099
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 45 W Yes 90 W

Note

Xiaomi 15 Ultra:

The Chinese version of the Xiaomi 15 Ultra has a 6000 mAh battery, while the international model comes with 5410 mAh, leading to a noticeable difference in battery life.

* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi 15 Ultra the clear winner in this comparison.

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