Home Phone comparison Xiaomi 15 and Xiaomi Poco F8 Ultra - Which is better?

Xiaomi 15 vs Xiaomi Poco F8 Ultra

93 out 100
Xiaomi 15
VS
93 out 100
Xiaomi Poco F8 Ultra
Xiaomi 15
Xiaomi Poco F8 Ultra

Compared 2 smartphones : Xiaomi 15 Manufactured in October, 2024, with display 6.36 with chipsetQualcomm Snapdragon 8 Elite, vs Xiaomi Poco F8 Ultra, Manufactured in November, 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 15
  • Higher pixel density: 460ppi
  • Lighter design: 191g vs 218g
  • Supports Dolby Atmos
Reasons to choose Xiaomi Poco F8 Ultra
  • Larger display: 6.9in
  • Higher battery capacity: 6500mAh vs 5400mAh
  • Newer Bluetooth version: 6.0 vs 5.4

Versions

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

Review

Key Specs Xiaomi 15 and Xiaomi Poco F8 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.
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
vs
Xiaomi Poco F8 Ultra

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.36 in 6.9 in
Resolution 1200x2670 pixels 1200x2608 pixels
Aspect ratio 20:9 19.5:9
Pixel density 460 ppi 416 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes
Max brightness 1500 nits 2000 nits
HDR support Yes Dolby Vision Yes, Dolby Vision
Touch Sampling Rate 300 Hz 480 Hz
Screen-to-body ratio 90.1 % 91.9 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi 15
1508 nits
Xiaomi Poco F8 Ultra
3501 nits
sRGB gamut99.5 %n/a
PWM (Flicker)120 Hzn/a
Response time1 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Xiaomi 15]

Design & Build

Design and ergonomics comparison
Height 152.3 mm (6 in) 163.3 mm (6.43 in)
Width 71.2 mm (2.8 in) 77.8 mm (3.06 in)
Thickness 8.08 mm (0.32 in) 7.9 mm (0.31 in)
Weight 191 g (6.74 oz) 218 g (7.69 oz)
Water resistance IP68 IP68
Cooling system Vapor chamber Vapor chamber
Back panel Glass n/a
Frame Metal Metal
Colors - White
- Black
- Silver
- Green
- Purple		 - White
- Black
- Blue
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi 15
90.1 %
Xiaomi Poco F8 Ultra
91.9 %

Performance

Testing Xiaomi 15 and Xiaomi Poco F8 Ultra In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 4320 MHz 4600 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))		 6/3.63 ()
Process TSMC TSMC
Transistor Size 3 nm 3 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 830 Adreno 840
GPU Cores 1536 1536
GPU Frequency 1100 MHz 1200 MHz
FLOPS 3379.2 GFLOPS 3686.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi 15
2934
Xiaomi Poco F8 Ultra
3553
Geekbench 6 (Multi-Core)
Xiaomi 15
8762
Xiaomi Poco F8 Ultra
10883
Geekbench 6 (Single-Core)29343553
Geekbench 6 (Multi-Core)876210883
Geekbench Compute (GPU)2450727420
Sources: Geekbench v6 [Xiaomi 15], [Xiaomi Poco F8 Ultra]
AnTuTu 10
AnTuTu 10
Xiaomi 15
2620144
Xiaomi Poco F8 Ultra
3865467
CPU5847251163106
GPU11423811394796
Memory519406546277
UX373632761288
NanoReview Score26201443865467
3DMark Wild Life
3DMark Wild Life
Xiaomi 15
20823
Xiaomi Poco F8 Ultra
n/a
Sources: 3DMark [Xiaomi 15]
PCMark 3.0
PCMark 3.0
Xiaomi 15
18292
Xiaomi Poco F8 Ultra
n/a
Writing score22508n/a
Web score18826n/a
Video editing8060n/a
Data manipulation14605n/a
NanoReview Score18292n/a

Memory

RAM
RAM Size - 12 GB
- 16 GB		 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency n/a 5300 MHz
Channels 2 4
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB		256 GB
Storage TypeUFS 4.0UFS 4.1
Memory CardNoNo

Software

OS Android 15 Android 16
OS Size 21 GB n/a
UI Skin HyperOS 2.0 HyperOS 3

Battery

Volume 5400 mAh 6500 mAh
Max Charging Power 90 W 100 W
Battery Type Silicon Carbon (Si/C) Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (50 W) Yes (50 W)
Reverse Charging Yes (Wireless) Yes, (Wireless)
Fast Charging Yes (83% in 30 min) Yes (78% in 15 min)
Full Charge Time 0:45 h 0:39 h
Battery Life Test
Battery Life
Xiaomi 15
31:54
Xiaomi Poco F8 Ultra
32:38
Web Browsing13:20 h15:14 h
Video Playback19:22 h22:44 h
Games07:10 h08:06 h
Standby Mode150 h124 h

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Optical, 2.6x Optical, 5x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
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 (720p) 960 fps (1080p)
Wide-angle lens 115 ° 102 °
Lenses count Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP		 Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.6f/1.7
Focal length23 mm23 mm
SensorOmniVision OVX9000 Light Fusion 900Omnivision Light Hunter 950
Sensor size1/1.311/1.31 (0.76)
Pixel size1.2 μm1.2 μm
AutofocusLaser autofocusPhase autofocus (Dual Pixel)
StabilizationOpticalOptical
Telephoto
Matrix50 MP50 MP
Aperturef/2.0f/3.0
Focal length60 mm115 mm
SensorSamsung S5KJN5Samsung S5KJN5
Sensor size1/2.761/2.76 (0.36)
Pixel size0.64 μm0.64 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix50 MP50 MP
Aperturef/2.2f/2.4
Focal length14 mm18 mm
SensorSamsung S5KJN1n/a
Sensor size1/2.761/2.88 (0.35)
Pixel size0.64 μm0.61 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Xiaomi 15
150
Xiaomi Poco F8 Ultra
n/a
Video quality
Xiaomi 15
133
Xiaomi Poco F8 Ultra
n/a
Overall camera score
Xiaomi 15
147
Xiaomi Poco F8 Ultra
n/a
Bokeh75n/a
Preview87n/a
Zoom152n/a
Sources: DxOMark [Xiaomi 15]

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 Omnivision OV32B CMOS
Sensor size 1/3.14 1/3.44 (0.29)
Pixel size 0.7 μm 0.64 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 2160p (4K) at 30 fps
TOF 3D sensor No No

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 5.4 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 Yes
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 *YesYes
Hybrid SlotNoNo
2G BandsGSM B2/B3/B5/B8n/a
3G BandsWCDMA B1/B2/B4/B5/B6/B8/B19n/a
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)n/a
5G SupportYesYes

Sound

Speakers Stereo 2.1
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes n/a
Speaker Test
Max Volume
Xiaomi 15
91.3 dB
Xiaomi Poco F8 Ultra
n/a

Other

Class Flagship Flagship
Announced October, 2024 yr November, 2025 yr
Release Date October, 2024 yr November, 2025 yr
Launch Price ($) 757 n/a
MSRP ($) n/a 729
Sensors - 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

No clear favorite identified yet; updates may follow as new data arrives.

Survey

Which smartphone would you pick?
16 (48.48%)
17 (51.52%)
Total Votes: 33

User comments

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