Home Phone comparison Xiaomi 18 Fold and Xiaomi Poco F9 Ultra - Which is better?

Xiaomi 18 Fold vs Xiaomi Poco F9 Ultra

89 out 100
Xiaomi 18 Fold
VS
91 out 100
Xiaomi Poco F9 Ultra
Xiaomi 18 Fold
Xiaomi Poco F9 Ultra

Compared 2 smartphones : Xiaomi 18 Fold Manufactured in September, 2026, with display 7.58 with chipsetXRing O3, vs Xiaomi Poco F9 Ultra, Manufactured in September, 2026 with 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 18 Fold
  • Larger display: 7.58in
  • Lighter design: 219g vs 235g
Reasons to choose Xiaomi Poco F9 Ultra
  • Higher pixel density: 416ppi
  • Higher refresh rate: 185Hz
  • Higher battery capacity: 8050mAh vs 6000mAh
  • Built-in eSIM

Versions

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

Review

Key Specs Xiaomi 18 Fold and Xiaomi Poco F9 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 18 Fold
vs
Xiaomi Poco F9 Ultra

Display

Display quality comparison
Type AMOLED AMOLED
Size 7.58 in 6.9 in
Resolution 2364x1672 pixels 1200x2608 pixels
Aspect ratio 3:2 19.5:9
Pixel density 382 ppi 416 ppi
Refresh rate 120 Hz 185 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes
Max brightness n/a 2200 nits
HDR support Yes, Dolby Vision Yes, Dolby Vision
Touch Sampling Rate n/a 480 Hz
Screen-to-body ratio 88.7 % 91.6 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi 18 Fold
n/a
Xiaomi Poco F9 Ultra
4368 nits

Design & Build

Design and ergonomics comparison
Height 163.8 mm (6.45 in) 163.49 mm (6.44 in)
Width 117.8 mm (4.64 in) 77.94 mm (3.07 in)
Thickness 5.02 mm (0.2 in) 7.94 mm (0.31 in)
Weight 219 g (7.72 oz) 235 g (8.29 oz)
Water resistance IP59 IP68
Cooling system Vapor chamber Vapor chamber
Back panel Glass n/a
Frame Metal Metal
Colors - Silver
- Gray
- Red
- Rose Gold		 - Black
- Red
Fingerprint sensor Yes, In-Button Yes, In-Display
Screen-to-body ratio
Xiaomi 18 Fold
88.7 %
Xiaomi Poco F9 Ultra
91.6 %

Performance

Testing Xiaomi 18 Fold and Xiaomi Poco F9 Ultra In benchmarks
Processor
Chipset XRing O3 Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 4350 MHz 4600 MHz
CPU Cores 10 (2 + 4 + 4) 8 (2 + 6)
Architecture - 4/3.15 (C1-Pro)
- 4/3.68 (C1-Premium)
- 2/4.35 (C1-Ultra)		 - 6/3.63 (Oryon Gen 3 Performance)
- 2/4.74 (Oryon Gen 3 Prime)
Process TSMC TSMC
Transistor Size 3 nm 3 nm
Neural Processor Yes Hexagon
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi 18 Fold
3636
Xiaomi Poco F9 Ultra
3629
Geekbench 6 (Multi-Core)
Xiaomi 18 Fold
13491
Xiaomi Poco F9 Ultra
11080
Geekbench 6 (Single-Core)36363629
Geekbench 6 (Multi-Core)1349111080
Sources: Geekbench v6 [Xiaomi 18 Fold], [Xiaomi Poco F9 Ultra]
AnTuTu 10
AnTuTu 10
Xiaomi 18 Fold
5228014
Xiaomi Poco F9 Ultra
4165108
CPU1359147962447
GPU21435821453812
Memory941063974305
UX784222774544
NanoReview Score52280144165108

Memory

RAM
RAM Size 12 GB 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency n/a 5300 MHz
Channels 4 4
Storage
Storage Capacity256 GB256 GB
Storage TypeUFS 4.1UFS 4.1
Memory CardNoNo

Software

OS Android 17 Android 16
OS Size n/a 36 GB
UI Skin HyperOS 4 HyperOS 3

Battery

Volume 6000 mAh 8050 mAh
Max Charging Power 67 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 Yes (61% in 30 min)
Full Charge Time n/a 0:54 h
Battery Life Test
Battery Life
Xiaomi 18 Fold
n/a
Xiaomi Poco F9 Ultra
44:02
Web Browsingn/a23:02 h
Video Playbackn/a25:48 h
Gamesn/a10:54 h
Standby Moden/a171 h

Main camera

Matrix 200 MP 200 MP
Zoom Optical, 3.5x Optical, 5x
Flash n/a Dual LED
Stabilization Optical Optical
8K Recording n/a Yes (Up to 30 fps)
4K Recording n/a Yes (Up to 60 fps)
1080p Recording n/a Yes (Up to 60 fps)
Slow Motion n/a 1920 fps (1080p)
Wide-angle lens n/a 102 °
Lenses count Standard: 200 MP
Telephoto: 50 MP
Ultra-wide: 50 MP		 Standard: 200 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix200 MP200 MP
Aperturef/1.7f/1.7
Focal length23 mm24 mm
SensorSamsung ISOCELL HP5Samsung ISOCELL HP5
Sensor size1/1.56 (0.64)1/1.56 (0.64)
Pixel size0.5 μm0.5 μm
AutofocusLaser autofocusPhase autofocus
StabilizationOpticalOptical
Telephoto
Matrix50 MP50 MP
Aperturef/2.8f/3.0
Focal length80 mm120 mm
SensorSamsung S5KJN5Samsung S5KJN5
Sensor size1/2.76 (0.36)1/2.76 (0.36)
Pixel size0.64 μm0.64 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix50 MP50 MP
Aperturef/2.4f/2.4
Focal lengthn/a17 mm
SensorOmnivision OV50MOmniVision OV50M40
Sensor size1/2.76 (0.36)1/2.88 (0.35)
Pixel size0.61 μm0.61 μm
StabilizationDigitalDigital

Front camera

Matrix 16 MP 32 MP
Aperture f/2.2 f/2.2
Focal length 21 mm 21 mm
Sensor n/a OmniVision OV32D
Sensor size n/a 1/3.44 (0.29)
Pixel size n/a 0.64 μm
Autofocus n/a No
Stabilization Digital Digital
Video resolution n/a 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 6.0 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		 - 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 *NoYes
Hybrid SlotNoNo
2G BandsGSM B2 / B3 / B5 / B8GSM 2/3/5/8
3G BandsWCDMA B1 / B2 / B4 / B5 / B6 / B8 / B19WCDMA 1/2/4/5/8/6/19
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/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)
5G SupportYesYes

Sound

Speakers n/a 2.1
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes Yes

Other

Class Flagship Flagship
Announced September, 2026 yr September, 2026 yr
Release Date September, 2026 yr September, 2026 yr
MSRP ($) 1640 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, 67 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?
0 (0%)
0 (0%)
Total Votes: 0

User comments

Share your opinion or ask questions below