Home Phone comparison Xiaomi 13 Ultra and Realme 15 5G - Which is better?

Xiaomi 13 Ultra vs Realme 15 5G

81 out 100
Xiaomi 13 Ultra
VS
70 out 100
Realme 15 5G
Xiaomi 13 Ultra
Realme 15 5G

Compared 2 smartphones : Xiaomi 13 Ultra Manufactured in April, 2023, with display 6.73 with chipsetQualcomm Snapdragon 8 Gen 2, vs Realme 15 5G, Manufactured in July, 2025 with chipsetMediaTek Dimensity 7300 Plus. 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 newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Supports Dolby Atmos
Reasons to choose Realme 15 5G
  • Larger display: 6.8in
  • Higher refresh rate: 144Hz
  • Lighter design: 187g vs 227g
  • Higher battery capacity: 7000mAh vs 5000mAh
  • Newer Bluetooth version: 5.4 vs 5.3

Versions

Available versions and configurations
Memory Options - 12/256 GB
- 12/512 GB
- 16/512 GB
- 16/1024 GB		 - 8/128 GB
- 8/256 GB
- 12/256 GB
- 12/512 GB

Review

Key Specs Xiaomi 13 Ultra and Realme 15 5G
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
Realme 15 5G

Display

Display quality comparison
Type AMOLED OLED
Size 6.73 in 6.8 in
Resolution 1440x3200 pixels 1280x2800 pixels
Aspect ratio 20:9 19.5:9
Pixel density 522 ppi 453 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate Yes Yes
Max brightness 1300 nits 1800 nits
HDR support Yes Dolby Vision Yes, HDR10+
Touch Sampling Rate 240 Hz 240 Hz
Screen-to-body ratio 89.7 % 91.9 %
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
Realme 15 5G
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) 162.27 mm (6.39 in)
Width 74.64 mm (2.94 in) 76.16 mm (3 in)
Thickness 9.06 mm (0.36 in) 7.66 mm (0.3 in)
Weight 227 g (8.01 oz) 187 g (6.6 oz)
Water resistance IP68 IP68
Cooling system Vapor chamber n/a
Back panel Eco Leather n/a
Frame Metal Plastic
Colors - White
- Black
- Green		 - Silver
- Green
- Purple
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi 13 Ultra
89.7 %
Realme 15 5G
91.9 %

Performance

Testing Xiaomi 13 Ultra and Realme 15 5G In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Gen 2 MediaTek Dimensity 7300 Plus
Max Frequency 3200 MHz 2600 MHz
CPU Cores 8 (1 + 2 + 2 + 3) 8 (4 + 4)
Architecture - 3/2 (Cortex-A510)
- 2/2.8 (Cortex-A710)
- 2/2.8 (Cortex-A715)
- 1/3.2 (Cortex-X3)		 - 4/2 (Cortex-A55)
- 4/2.5 (Cortex-A78)
Process TSMC TSMC
Transistor Size 4 nm 4 nm
Neural Processor Hexagon MediaTek APU 655
Graphics Adreno 740 Mali-G615 MP2
GPU Cores 1536 256
GPU Frequency 680 MHz 1047 MHz
FLOPS 2089 GFLOPS 536.1 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi 13 Ultra
1995
Realme 15 5G
1014
Geekbench 6 (Multi-Core)
Xiaomi 13 Ultra
5419
Realme 15 5G
2916
Geekbench 6 (Single-Core)19951014
Geekbench 6 (Multi-Core)54192916
Geekbench Compute (GPU)n/a2497
Sources: Geekbench v6 [Realme 15 5G]
AnTuTu 10
AnTuTu 10
Xiaomi 13 Ultra
1524921
Realme 15 5G
728221
CPU389140212437
GPU596405149032
Memory297015185085
UX242361181667
NanoReview Score1524921728221
3DMark Wild Life
3DMark Wild Life
Xiaomi 13 Ultra
11992
Realme 15 5G
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		 8 GB
Memory Type LPDDR5X LPDDR4X
Memory Frequency 3200 MHz 2133 MHz
Channels 4 2
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB		128 GB
Storage TypeUFS 4.0UFS 3.1
Memory CardNoNo

Software

OS Android 13 (Upgradeable to Android 14) Android 15
UI Skin HyperOS 1.0 Realme UI 6.0

Battery

Volume 5000 mAh 7000 mAh
Max Charging Power 90 W 80 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging Yes (50 W) No
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
Realme 15 5G
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 Digital
Flash Dual LED Dual LED
Stabilization Optical Optical
8K Recording Up to 24FPS No
4K Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 1920 fps (1080p) n/a
Wide-angle lens 122 ° 112 °
Lenses count Standard: 50.3 MP
Telephoto: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Depth		 Standard: 50 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
Main lens
Matrix503 MP50 MP
Aperturef/1.9 - 4.0f/1.8
Focal length23 mm24 mm
SensorSony IMX989Sony IMX896
Sensor size1/11/2
Pixel size1.6 μmn/a
AutofocusLaser autofocusPhase autofocus
StabilizationOpticalOptical
Telephoto
Matrix50 MPn/a
Aperturef/3.0n/a
Focal length120 mmn/a
SensorSony IMX858n/a
Sensor size1/2.51n/a
Pixel size0.64 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix50 MP8 MP
Aperturef/1.8f/2.2
Focal length12 mm16 mm
SensorSony IMX858n/a
Sensor size1/2.51n/a
Pixel size0.64 μmn/a
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Xiaomi 13 Ultra
138
Realme 15 5G
n/a
Video quality
Xiaomi 13 Ultra
137
Realme 15 5G
n/a
Overall camera score
Xiaomi 13 Ultra
140
Realme 15 5G
n/a
Bokeh65n/a
Preview72n/a
Zoom147n/a
Sources: DxOMark [Xiaomi 13 Ultra]

Front camera

Matrix 32 MP 50 MP
Photo resolution 6528x4896 pixels 8192x6144 pixels
Aperture f/2.0 n/a
Focal length 22 mm n/a
Sensor CMOS CMOS
Sensor size 1/3.14 n/a
Pixel size 0.7 μm n/a
Autofocus Phase autofocus n/a
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 60 fps 2160p (4K) at 30 fps
TOF 3D sensor No No
Selfie camera DxOMark results
Photo quality
Xiaomi 13 Ultra
123
Realme 15 5G
n/a
Video quality
Xiaomi 13 Ultra
137
Realme 15 5G
n/a

Connectivity

Wi-Fi version Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
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 5.4
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 3.2 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort Yes DP 1.2 No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes No
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 850/900/1800MHz
3G BandsWCDMA B1 / B4 / B5 / B6 / B8 / B19WCDMA 1/5/8
LTE Bands*LTE (B1/B3/B4/B5/B7/B8/B12/B17/B18/B19/B26/B34/B38/B39/B40/B41/B42)LTE (B1/B3/B5/B8/B40/B41)
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
Realme 15 5G
n/a

Other

Class Flagship Mid-range
Announced April, 2023 yr July, 2025 yr
Release Date April, 2023 yr July, 2025 yr
Launch Price ($) 1499 n/a
MSRP ($) n/a 280
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, 80 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi 13 Ultra the clear winner in this comparison.

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