Home Phone comparison Xiaomi Redmi K90 Max and Xiaomi 18 Fold - Which is better?

Xiaomi Redmi K90 Max vs Xiaomi 18 Fold

89 out 100
Xiaomi Redmi K90 Max
VS
89 out 100
Xiaomi 18 Fold
Xiaomi Redmi K90 Max
Xiaomi 18 Fold

Compared 2 smartphones : Xiaomi Redmi K90 Max Manufactured in April, 2026, with display 6.83 with chipsetMediaTek Dimensity 9500, 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 Redmi K90 Max
  • Higher pixel density: 447ppi
  • Higher refresh rate: 165Hz
  • Higher battery capacity: 8550mAh vs 6000mAh
Reasons to choose Xiaomi 18 Fold
  • Larger display: 7.58in
  • Lighter design: 219g vs 227g
  • Newer Bluetooth version: 6.0 vs 5.4
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort

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
- 12/512 GB
- 16/512 GB
- 16/1024 GB

Review

Key Specs Xiaomi Redmi K90 Max 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
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Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Xiaomi Redmi K90 Max
vs
Xiaomi 18 Fold

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.83 in 7.58 in
Resolution 1280x2772 pixels 2364x1672 pixels
Aspect ratio 19.5:9 3:2
Pixel density 447 ppi 382 ppi
Refresh rate 165 Hz 120 Hz
Adaptive refresh rate Yes Yes (1-120 Hz)
HDR support Yes, Dolby Vision Yes, Dolby Vision
Touch Sampling Rate 480 Hz n/a
Screen-to-body ratio 90.2 % 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 77.9 mm (3.07 in) 117.8 mm (4.64 in)
Thickness 8.2 mm (0.32 in) 5.02 mm (0.2 in)
Weight 227 g (8.01 oz) 219 g (7.72 oz)
Water resistance IP69 IP59
Cooling system Active fan Vapor chamber
Back panel Plastic Glass
Frame Metal Metal
Colors - Black
- Silver
- Blue		 - Silver
- Gray
- Red
- Rose Gold
Fingerprint sensor Yes, In-Display Yes, In-Button
Screen-to-body ratio
Xiaomi Redmi K90 Max
90.2 %
Xiaomi 18 Fold
88.7 %

Performance

Testing Xiaomi Redmi K90 Max and Xiaomi 18 Fold In benchmarks
Processor
Chipset MediaTek Dimensity 9500 XRing O3
Max Frequency 4210 MHz 4350 MHz
CPU Cores 8 (1 + 3 + 4) 10 (2 + 4 + 4)
Architecture - 4/2.7 (C1-Pro)
- 3/3.5 (C1-Premium)
- 1/4.21 (C1-Ultra)		 - 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 MediaTek NPU 990 Yes
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi K90 Max
3289
Xiaomi 18 Fold
3636
Geekbench 6 (Multi-Core)
Xiaomi Redmi K90 Max
9958
Xiaomi 18 Fold
13491
Geekbench 6 (Single-Core)32893636
Geekbench 6 (Multi-Core)995813491
Sources: Geekbench v6 [Xiaomi Redmi K90 Max], [Xiaomi 18 Fold]
AnTuTu 10
AnTuTu 10
Xiaomi Redmi K90 Max
3803420
Xiaomi 18 Fold
5228014
CPU10998011359147
GPU13750132143582
Memory513398941063
UX815208784222
NanoReview Score38034205228014

Memory

RAM
RAM Size 12 GB 12 GB
Memory Type LPDDR5X LPDDR5X
Channels 4 4
Storage
Storage Capacity256 GB256 GB
Storage TypeUFS 4.1UFS 4.1
Memory CardNoNo

Software

OS Android 16 Android 17
UI Skin HyperOS 3 HyperOS 4

Battery

Volume 8550 mAh 6000 mAh
Max Charging Power 100 W 67 W
Battery Type Silicon Carbon (Si/C) Silicon Carbon (Si/C)
Removable No No
Wireless Charging No Yes (50 W)
Reverse Charging Yes Yes, (Wireless)
Fast Charging Yes Yes

Main camera

Matrix 50 MP 200 MP
Photo resolution 8192x6144 pixels n/a
Zoom Digital 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 60 fps) n/a
1080p Recording Yes (Up to 60 fps) n/a
Slow Motion 960 fps (1080p) n/a
Lenses count Standard: 50 MP
Ultra-wide: 8 MP		 Standard: 200 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode
Main lens
Matrix50 MP200 MP
Aperturef/1.7f/1.7
Focal length24 mm23 mm
SensorOmnivision OV50Samsung ISOCELL HP5
Sensor size1/1.55 (0.65)1/1.56 (0.64)
Pixel size1 μm0.5 μm
AutofocusPhase autofocusLaser autofocus
StabilizationOpticalOptical
Telephoto
Matrixn/a50 MP
Aperturen/af/2.8
Focal lengthn/a80 mm
Sensorn/aSamsung S5KJN5
Sensor sizen/a1/2.76 (0.36)
Pixel sizen/a0.64 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrix8 MP50 MP
Aperturef/2.2f/2.4
Focal length15 mmn/a
Sensorn/aOmnivision OV50M
Sensor size1/4.0 (0.25)1/2.76 (0.36)
Pixel size1.14 μm0.61 μm
StabilizationDigitalDigital

Front camera

Matrix 20 MP 16 MP
Photo resolution 5184x3888 pixels n/a
Aperture f/2.2 f/2.2
Focal length n/a 21 mm
Autofocus No n/a
Stabilization Digital Digital
Video resolution 1080p (Full HD) 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 2 3.2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort No 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 *NoNo
Hybrid SlotNoNo
2G Bandsn/aGSM B2 / B3 / B5 / B8
3G Bandsn/aWCDMA B1 / B2 / B4 / B5 / B6 / B8 / B19
LTE Bands*n/aLTE (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

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

Other

Class Flagship Flagship
Announced April, 2026 yr September, 2026 yr
Release Date April, 2026 yr September, 2026 yr
MSRP ($) 599 1640
Sensors - 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

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