Home Phone comparison Xiaomi 15 Ultra and Xiaomi Poco F4 GT - Which is better?

Xiaomi 15 Ultra vs Xiaomi Poco F4 GT

95 out 100
Xiaomi 15 Ultra
VS
63 out 100
Xiaomi Poco F4 GT
Xiaomi 15 Ultra
Xiaomi Poco F4 GT

Compared 2 smartphones : Xiaomi 15 Ultra Manufactured in February, 2025, with display 6.73 with chipsetQualcomm Snapdragon 8 Elite, vs Xiaomi Poco F4 GT, Manufactured in April, 2022 with chipsetQualcomm Snapdragon 8 Gen 1. 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 15 Ultra
  • Larger display: 6.73in
  • Higher pixel density: 522ppi
  • Higher battery capacity: 5410mAh vs 4700mAh
  • Newer Bluetooth version: 6.0 vs 5.2
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Built-in eSIM
Reasons to choose Xiaomi Poco F4 GT
  • Lighter design: 210g vs 226g

Versions

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

Review

Key Specs Xiaomi 15 Ultra and Xiaomi Poco F4 GT
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 15 Ultra
vs
Xiaomi Poco F4 GT

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.73 in 6.67 in
Resolution 1440x3200 pixels 1080x2400 pixels
Aspect ratio 20:9 20:9
Pixel density 522 ppi 395 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) No
Max brightness n/a 500 nits
HDR support Yes Dolby Vision Yes HDR10+
Touch Sampling Rate 300 Hz 480 Hz
Screen-to-body ratio 90 % 86.2 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi 15 Ultra
1599 nits
Xiaomi Poco F4 GT
753 nits
sRGB gamut99.7 %98.7 %
PWM (Flicker)120 Hz121 Hz
Response time1 ms1 ms
Contrast∞ Infinite∞ Infinite
Sources: NotebookCheck [Xiaomi 15 Ultra], [Xiaomi Poco F4 GT]

Design & Build

Design and ergonomics comparison
Height 161.3 mm (6.35 in) 162.5 mm (6.4 in)
Width 75.3 mm (2.96 in) 76.7 mm (3.02 in)
Thickness 9.35 mm (0.37 in) 8.5 mm (0.33 in)
Weight 226 g (7.97 oz) 210 g (7.41 oz)
Water resistance IP68 No
Cooling system Vapor chamber Vapor chamber
Back panel Glass Glass
Frame Metal Metal
Colors - White
- Black
- Silver
- Green		 - Black
- Silver
- Yellow
Fingerprint sensor Yes In-Display Yes In-Button
Screen-to-body ratio
Xiaomi 15 Ultra
90 %
Xiaomi Poco F4 GT
86.2 %

Performance

Testing Xiaomi 15 Ultra and Xiaomi Poco F4 GT In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 8 Gen 1
Max Frequency 4320 MHz 3000 MHz
CPU Cores 8 (2 + 6) 8 (1 + 3 + 4)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))		 - 4/1.8 (Cortex-A510)
- 3/2.5 (Cortex-A710)
- 1/3 (Cortex-X2)
Process TSMC Samsung
Transistor Size 3 nm 4 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 830 Adreno 730
GPU Cores 1536 1024
GPU Frequency 1100 MHz 818 MHz
FLOPS 3379.2 GFLOPS 1675.3 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi 15 Ultra
3008
Xiaomi Poco F4 GT
992
Geekbench 6 (Multi-Core)
Xiaomi 15 Ultra
9065
Xiaomi Poco F4 GT
3660
Geekbench 6 (Single-Core)3008992
Geekbench 6 (Multi-Core)90653660
Sources: Geekbench v6 [Xiaomi 15 Ultra]
AnTuTu 10
AnTuTu 10
Xiaomi 15 Ultra
2544373
Xiaomi Poco F4 GT
1182484
CPU558586314651
GPU1040161443364
Memory520300206516
UX425326217953
NanoReview Score25443731182484
3DMark Wild Life
3DMark Wild Life
Xiaomi 15 Ultra
n/a
Xiaomi Poco F4 GT
9325
Max Surface Temp.n/a40.7 °C
Stabilityn/a50 %
Graphics Testn/a55 fps
Graphics Scoren/a9325
Sources: 3DMark [Xiaomi Poco F4 GT]
PCMark 3.0
PCMark 3.0
Xiaomi 15 Ultra
n/a
Xiaomi Poco F4 GT
13091
Writing scoren/a15018
Web scoren/a11649
Video editingn/a7469
Data manipulationn/a9824
NanoReview Scoren/a13091

Memory

RAM
RAM Size 12 GB - 8 GB
- 12 GB
Memory Type LPDDR5X LPDDR5
Memory Frequency 5333 MHz 3200 MHz
Channels 2 4
Storage
Storage Capacity256 GB- 128 GB
- 256 GB
Storage TypeUFS 4.1UFS 3.1
Memory CardNoNo

Software

OS Android 15 Android 12 (Upgradeable to Android 14)
OS Size 23.9 GB 33 GB
UI Skin HyperOS 2.0 HyperOS 2.0

Battery

Volume 5410 mAh 4700 mAh
Max Charging Power 90 W 120 W
Battery Type Silicon Carbon (Si/C) Li-ion
Removable No No
Wireless Charging Yes (80 W) No
Reverse Charging Yes (Wireless) No
Fast Charging Yes (72% in 30 min) Yes (50% in 8 min)
Full Charge Time 0:51 h 0:17 h
Battery Life Test
Battery Life
Xiaomi 15 Ultra
30:03
Xiaomi Poco F4 GT
16:47
Web Browsing12:19 h06:53 h
Video Playback18:43 h11:18 h
Games06:45 h04:25 h
Standby Mode141 h73 h

Main camera

Matrix 50 MP 64 MP
Photo resolution 8192x6144 pixels 9248x6936 pixels
Zoom Optical, 4.3x Digital
Flash Dual LED Dual LED
Stabilization Optical Digital
8K Recording Yes (Up to 30 fps) No
4K Recording Yes (Up to 120 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 1920 fps (1080p) 960 fps (720p)
Wide-angle lens 115 ° 120 °
Lenses count Standard: 50 MP
Telephoto: 200 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Depth		 Standard: 64 MP
Ultra-wide: 8 MP
Macro: 2 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP64 MP
Aperturef/1.63f/1.7
Focal length23 mm26 mm
SensorSony LYT-900Sony IMX686
Sensor size1/1.01/1.73
Pixel size1.6 μm0.8 μm
AutofocusLaser autofocusPhase autofocus
StabilizationOpticalDigital
Telephoto
Matrix200 MPn/a
Aperturef/2.6n/a
Focal length100 mmn/a
SensorSamsung ISOCELL S5KHP9n/a
Sensor size1/1.4n/a
Pixel size0.56 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix50 MP8 MP
Aperturef/2.2f/2.2
Focal length14 mmn/a
SensorSamsung S5KJN5Omnivision OV8856
Sensor size1/2.761/4.0
Pixel size0.64 μm1.12 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Xiaomi 15 Ultra
158
Xiaomi Poco F4 GT
n/a
Video quality
Xiaomi 15 Ultra
134
Xiaomi Poco F4 GT
n/a
Overall camera score
Xiaomi 15 Ultra
153
Xiaomi Poco F4 GT
n/a
Bokeh80n/a
Preview89n/a
Sources: DxOMark [Xiaomi 15 Ultra]

Front camera

Matrix 32 MP 20 MP
Photo resolution 6528x4896 pixels n/a
Aperture f/2.0 f/2.4
Focal length 22 mm n/a
Sensor Omnivision OV32B Sony IMX596
Sensor size 1/3.14 1/2
Pixel size 0.7 μm 0.8 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 1080p (Full HD) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) Wi-Fi 6E (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 Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 6.0 5.2
Bluetooth features LE LE, HID, A2DP
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 n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
NFC* Yes Varies by region
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesNo
Hybrid SlotNoNo
2G BandsGSM 2/3/5/8GSM 2 / 3 / 5 / 8
3G BandsWCDMA 1/2/4/5/6/8/19WCDMA 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)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B18/B19/B20/B26/B28/B38/B40/B41)
LTE categoryn/a20
5G SupportYesYes

Sound

Speakers n/a Stereo
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Xiaomi 15 Ultra
92.1 dB
Xiaomi Poco F4 GT
86.6 dB

Other

Class Flagship Flagship
Announced February, 2025 yr April, 2022 yr
Release Date February, 2025 yr April, 2022 yr
Launch Price ($) n/a 500
MSRP ($) 1099 n/a
Sensors - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 90 W Yes 120 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.

Survey

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1 (100%)
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Total Votes: 1

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