Home Phone comparison Xiaomi 15 Ultra and Xiaomi Poco F6 - Which is better?

Xiaomi 15 Ultra vs Xiaomi Poco F6

95 out 100
Xiaomi 15 Ultra
VS
72 out 100
Xiaomi Poco F6
Xiaomi 15 Ultra
Xiaomi Poco F6

Compared 2 smartphones : Xiaomi 15 Ultra Manufactured in February, 2025, with display 6.73 with chipsetQualcomm Snapdragon 8 Elite, vs Xiaomi Poco F6, Manufactured in May, 2024 with chipsetQualcomm Snapdragon 8s Gen 3. 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 5000mAh
  • Newer Bluetooth version: 6.0 vs 5.4
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Built-in eSIM
Reasons to choose Xiaomi Poco F6
  • Lighter design: 179g vs 226g

Versions

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

Review

Key Specs Xiaomi 15 Ultra and Xiaomi Poco F6
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 F6

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.73 in 6.67 in
Resolution 1440x3200 pixels 1220x2712 pixels
Aspect ratio 20:9 20:9
Pixel density 522 ppi 446 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (30-120 Hz)
Max brightness n/a 2400 nits
HDR support Yes Dolby Vision Yes Dolby Vision
Touch Sampling Rate 300 Hz 480 Hz
Screen-to-body ratio 90 % 89.9 %
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 F6
1208 nits
sRGB gamut99.7 %99.1 %
PWM (Flicker)120 Hz60 Hz
Response time1 ms1 ms
Contrast∞ Infinite∞ Infinite
Sources: NotebookCheck [Xiaomi 15 Ultra], [Xiaomi Poco F6]

Design & Build

Design and ergonomics comparison
Height 161.3 mm (6.35 in) 160.5 mm (6.32 in)
Width 75.3 mm (2.96 in) 74.4 mm (2.93 in)
Thickness 9.35 mm (0.37 in) 7.8 mm (0.31 in)
Weight 226 g (7.97 oz) 179 g (6.31 oz)
Water resistance IP68 IP64
Cooling system Vapor chamber Vapor chamber
Back panel Glass Plastic
Frame Metal Plastic
Colors - White
- Black
- Silver
- Green		 - Black
- Gray
- Green
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Xiaomi 15 Ultra
90 %
Xiaomi Poco F6
89.9 %

Performance

Testing Xiaomi 15 Ultra and Xiaomi Poco F6 In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 8s Gen 3
Max Frequency 4320 MHz 3000 MHz
CPU Cores 8 (2 + 6) 8 (1 + 4 + 3)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))		 - 3/2 (Cortex-A520)
- 4/2.8 (Cortex-A720)
- 1/3 (Cortex-X4)
Process TSMC TSMC
Transistor Size 3 nm 4 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 830 Adreno 735
GPU Cores 1536 768
GPU Frequency 1100 MHz 1100 MHz
FLOPS 3379.2 GFLOPS 1689.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi 15 Ultra
3008
Xiaomi Poco F6
1978
Geekbench 6 (Multi-Core)
Xiaomi 15 Ultra
9065
Xiaomi Poco F6
4982
Geekbench 6 (Single-Core)30081978
Geekbench 6 (Multi-Core)90654982
Geekbench Compute (GPU)n/a9966
Sources: Geekbench v6 [Xiaomi 15 Ultra], [Xiaomi Poco F6]
AnTuTu 10
AnTuTu 10
Xiaomi 15 Ultra
2544373
Xiaomi Poco F6
1489956
CPU558586392861
GPU1040161502368
Memory520300325309
UX425326269418
NanoReview Score25443731489956

Memory

RAM
RAM Size 12 GB - 8 GB
- 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 5333 MHz 4200 MHz
Channels 2 4
Storage
Storage Capacity256 GB- 256 GB
- 512 GB
Storage TypeUFS 4.1UFS 4.0
Memory CardNoNo

Software

OS Android 15 Android 14 (Upgradeable to Android 15)
OS Size 23.9 GB 23 GB
UI Skin HyperOS 2.0 HyperOS 2.0

Battery

Volume 5410 mAh 5000 mAh
Max Charging Power 90 W 90 W
Battery Type Silicon Carbon (Si/C) Li-Po
Removable No No
Wireless Charging Yes (80 W) No
Reverse Charging Yes (Wireless) No
Fast Charging Yes (72% in 30 min) Yes (50% in 12 min)
Full Charge Time 0:51 h 0:37 h
Battery Life Test
Battery Life
Xiaomi 15 Ultra
30:03
Xiaomi Poco F6
17:19
Web Browsing12:19 h06:19 h
Video Playback18:43 h10:39 h
Games06:45 h05:08 h
Standby Mode141 h86 h

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Optical, 4.3x Digital
Flash Dual LED Dual LED
Stabilization Optical Optical
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) 240 fps (1080p)
Wide-angle lens 115 ° n/a
Lenses count Standard: 50 MP
Telephoto: 200 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
Matrix50 MP50 MP
Aperturef/1.63f/1.6
Focal length23 mm26 mm
SensorSony LYT-900Sony IMX882
Sensor size1/1.01/1.95
Pixel size1.6 μm0.8 μm
AutofocusLaser autofocusPhase autofocus
StabilizationOpticalOptical
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 S5KJN5Sony IMX355
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 F6
n/a
Video quality
Xiaomi 15 Ultra
134
Xiaomi Poco F6
n/a
Overall camera score
Xiaomi 15 Ultra
153
Xiaomi Poco F6
n/a
Bokeh80n/a
Preview89n/a
Sources: DxOMark [Xiaomi 15 Ultra]

Front camera

Matrix 32 MP 20 MP
Photo resolution 6528x4896 pixels 5184x3888 pixels
Aperture f/2.0 f/2.2
Focal length 22 mm n/a
Sensor Omnivision OV32B Omnivision OV20B
Sensor size 1/3.14 n/a
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 MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 6.0 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 No
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 *YesNo
Hybrid SlotNoNo
2G BandsGSM 2/3/5/8GSM 850/900/1800/1900MHz
3G BandsWCDMA 1/2/4/5/6/8/19WCDMA B1/2/4/5/6/8/19
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/B18/B19/B20/B26/B28/B38/B40/B41/B42/B48/B66)
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 F6
90.5 dB

Other

Class Flagship Mid-range
Announced February, 2025 yr May, 2024 yr
Release Date February, 2025 yr May, 2024 yr
Launch Price ($) n/a 379
MSRP ($) 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 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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