Home Phone comparison Xiaomi 17 Ultra and Xiaomi 18 Fold - Which is better?

Xiaomi 17 Ultra vs Xiaomi 18 Fold

95 out 100
Xiaomi 17 Ultra
VS
89 out 100
Xiaomi 18 Fold
Xiaomi 17 Ultra
Xiaomi 18 Fold

Compared 2 smartphones : Xiaomi 17 Ultra Manufactured in December, 2025, with display 6.9 with chipsetQualcomm Snapdragon 8 Elite Gen 5, vs Xiaomi 18 Fold, Manufactured in September, 2026 with chipsetXRing O3. 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 17 Ultra
  • Higher pixel density: 416ppi
  • Higher battery capacity: 6800mAh vs 6000mAh
  • Built-in eSIM
Reasons to choose Xiaomi 18 Fold
  • Larger display: 7.58in
  • Lighter design: 219g vs 224g
  • Newer Bluetooth version: 6.0 vs 5.4

Versions

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

Review

Key Specs Xiaomi 17 Ultra and Xiaomi 18 Fold
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 17 Ultra
vs
Xiaomi 18 Fold

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.9 in 7.58 in
Resolution 1200x2608 pixels 2364x1672 pixels
Aspect ratio 19.5:9 3:2
Pixel density 416 ppi 382 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (1-120 Hz)
Max brightness 1200 nits n/a
HDR support Yes, Dolby Vision Yes, Dolby Vision
Screen-to-body ratio 92.4 % 88.7 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 162.9 mm (6.41 in) 163.8 mm (6.45 in)
Width 77.6 mm (3.06 in) 117.8 mm (4.64 in)
Thickness 8.29 mm (0.33 in) 5.02 mm (0.2 in)
Weight 224 g (7.9 oz) 219 g (7.72 oz)
Water resistance IP69 IP59
Cooling system Vapor chamber Vapor chamber
Back panel Eco Leather Glass
Frame Metal Metal
Colors - White
- Black
- Green
- Purple		 - Silver
- Gray
- Red
- Rose Gold
Fingerprint sensor Yes, In-Display Yes, In-Button
Screen-to-body ratio
Xiaomi 17 Ultra
92.4 %
Xiaomi 18 Fold
88.7 %

Performance

Testing Xiaomi 17 Ultra and Xiaomi 18 Fold In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Gen 5 XRing O3
Max Frequency 4610 MHz 4350 MHz
CPU Cores 8 (2 + 6) 10 (2 + 4 + 4)
Architecture 6/3.63 () - 4/3.15 (C1-Pro)
- 4/3.68 (C1-Premium)
- 2/4.35 (C1-Ultra)
Process TSMC TSMC
Transistor Size 3 nm 3 nm
Neural Processor Hexagon Yes
Graphics Adreno 840 n/a
GPU Cores 1536 n/a
GPU Frequency 1200 MHz n/a
FLOPS 3686.4 GFLOPS n/a
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi 17 Ultra
3510
Xiaomi 18 Fold
3636
Geekbench 6 (Multi-Core)
Xiaomi 17 Ultra
10993
Xiaomi 18 Fold
13491
Geekbench 6 (Single-Core)35103636
Geekbench 6 (Multi-Core)1099313491
Sources: Geekbench v6 [Xiaomi 18 Fold]
AnTuTu 10
AnTuTu 10
Xiaomi 17 Ultra
3963774
Xiaomi 18 Fold
5228014
CPU11986531359147
GPU14582672143582
Memory501472941063
UX805382784222
NanoReview Score39637745228014

Memory

RAM
RAM Size 12 GB 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 5300 MHz n/a
Channels 4 4
Storage
Storage Capacity512 GB256 GB
Storage TypeUFS 4.1UFS 4.1
Memory CardNoNo

Software

OS Android 16 Android 17
UI Skin HyperOS 3 HyperOS 4

Battery

Volume 6800 mAh 6000 mAh
Max Charging Power 90 W 67 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

Main camera

Matrix 50 MP 200 MP
Photo resolution 8192x6144 pixels n/a
Zoom Optical, 4.3x Optical, 3.5x
Flash Dual LED n/a
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) n/a
4K Recording Yes (Up to 120 fps) n/a
1080p Recording Yes (Up to 120 fps) n/a
Slow Motion 1920 fps (720p) n/a
Wide-angle lens 115 ° n/a
Lenses count Standard: 50 MP
Telephoto: 200 MP
Ultra-wide: 50 MP		 Standard: 200 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP200 MP
Aperturef/1.7f/1.7
Focal length23 mm23 mm
Sensorn/aSamsung ISOCELL HP5
Sensor size1/1 (1)1/1.56 (0.64)
Pixel size1.6 μm0.5 μm
AutofocusLaser autofocusLaser autofocus
StabilizationOpticalOptical
Telephoto
Matrix200 MP50 MP
Aperturef/2.4 - 3.0f/2.8
Focal length100 mm80 mm
Sensorn/aSamsung S5KJN5
Sensor size1/1.4 (0.71)1/2.76 (0.36)
Pixel size0.56 μm0.64 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix50 MP50 MP
Aperturef/2.2f/2.4
Focal length14 mmn/a
SensorOmniVision OV50M40Omnivision OV50M
Sensor size1/2.88 (0.35)1/2.76 (0.36)
Pixel size0.61 μm0.61 μm
StabilizationDigitalDigital

Front camera

Matrix 50 MP 16 MP
Photo resolution 8192x6144 pixels n/a
Aperture f/2.2 f/2.2
Focal length n/a 21 mm
Sensor CMOS n/a
Sensor size 1/2.88 (0.35) n/a
Pixel size 0.61 μm n/a
Autofocus Phase autofocus n/a
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps n/a
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
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 B2 / B3 / B5 / B8GSM B2 / B3 / B5 / B8
3G BandsWCDMA B1 / B2 / B4 / B5 / B6 / B8 / B19WCDMA B1 / B2 / B4 / B5 / B6 / B8 / B19
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B66/B71)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)
5G SupportYesYes

Sound

3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes Yes

Other

Class Flagship Flagship
Announced December, 2025 yr September, 2026 yr
Release Date December, 2025 yr September, 2026 yr
MSRP ($) n/a 1640
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, 100 W Yes, 67 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