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  3. Poco F9 Ultra vs Redmi K100 Pro Max

Xiaomi Poco F9 Ultra vs Xiaomi Redmi K100 Pro Max

What Poco F9 Ultra does better (3) and where Redmi K100 Pro Max wins (3) — every spec side by side.

Xiaomi Poco F9 Ultra
Xiaomi · 2026Poco F9 Ultra
9.7Score
3 advantages≈ $890
vs
Xiaomi Redmi K100 Pro Max
Xiaomi · 2026Redmi K100 Pro Max
9.7Score
3 advantages≈ $580
9.7Display9.7
9.6Performance9.7
9.8Camera9.8
9.8Battery9.8
9.5Features9.3
Dimensions

Size comparison

Poco F9 UltraRedmi K100 Pro Max
77.9 × 163.58.778 × 163.58.5
Poco F9 UltraRedmi K100 Pro MaxDifference
Height163.5 mm163.5 mm=
Width77.9 mm78 mm−0.1 mm
Thickness8.7 mm8.5 mm+0.2 mm
Weight235 g238 g−3 g

Drawn to the same scale from the official dimensions (front and side).

Why is Poco F9 Ultra better than Redmi K100 Pro Max?

  1. Storage (max)1,024 GB vs 512 GB2×
  2. AnTuTu score4,165,108 vs 3,722,803+12%
  3. eSIMYes · Redmi K100 Pro Max: No

Why is Redmi K100 Pro Max better than Poco F9 Ultra?

  1. Battery capacity8,050 mAh vs 9,070 mAh+13%
  2. Geekbench 6 (multi-core)10,500 vs 11,299+8%
  3. Thickness8.7 mm vs 8.5 mm+2%
Specifications

Side by side

Design
Weight235 g238 g
Thickness8.7 mm8.5 mm
Height163.5 mm163.5 mm
Width77.9 mm78 mm
FrameAluminiumAluminium
BackPlastic—
Ingress protectionIP68IP68
Water resistance (IPx)IPx8IPx8
Glass protectionCorning Gorilla Glass 7i—
ColoursBlack, Dark CherryBlack, White, Blue, Red (Burgundy)
Display
Screen size6.9″6.9″
PanelAMOLEDAMOLED
OLED panelYesYes
Resolution (width)1,200 px1,200 px
Resolution (height)2,608 px2,608 px
Pixel density416 ppi416 ppi
Refresh rate185 Hz185 Hz
Peak brightness4,500 nits4,500 nits
Measured brightness1,283 nits—
Screen-to-body ratio91.6%91.5%
HDRYesYes
Performance
ChipsetQualcomm SM8850-AC Snapdragon 8 Elite Gen 5Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5
Chip makerQualcommQualcomm
Process3 nm3 nm
CPU cores88
CPU frequency4.6 GHz4.6 GHz
GPUAdreno 840Adreno 840
AnTuTu score4,165,1083,722,803
Geekbench 6 (multi-core)10,50011,299
Memory
RAM16 GB16 GB
Storage (max)1,024 GB512 GB
Storage (base)256 GB256 GB
Storage typeUFS 4.1UFS 4.1
Memory card slotNoNo
Camera
Main camera200 MP200 MP
Main camera aperturef/1.7f/1.7
Main sensor size1/1.56"1/1.4"
Rear cameras33
Optical stabilisationYesYes
Ultra-wide cameraYesYes
Telephoto cameraYesYes
Optical zoom5×5×
Max video8K8K
4K video frame rate60 fps60 fps
Selfie camera32 MP32 MP
4K selfie videoYesYes
Battery
Battery capacity8,050 mAh9,070 mAh
Battery typeSi/CSi/C
Active use (test)24.6 h—
Wired charging100 W100 W
Charged in 30 min60%—
Wireless chargingYesYes
Wireless charging power50 W50 W
Reverse wireless chargingYesYes
Connectivity
5GYesYes
eSIMYesNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 7Wi-Fi 7
Bluetooth66
NFCYesYes
USBUSB Type-C 3.2USB Type-C
USB version3.2—
Video outputYesYes
Infrared portYesYes
Dual-band GPSYesYes
Satellite navigationGLONASS, GALILEO, BDS, QZSS, NavICGLONASS, GALILEO, BDS, QZSS, NavIC
Features
Stereo speakersYesYes
3.5 mm headphone jackNoNo
Loudspeaker loudness-26.1 LUFS—
Fingerprint sensorUnder display, ultrasonicUnder display, ultrasonic
SensorsFingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compassFingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass
Software
OS at launchAndroid 16Android 16
PlatformAndroidAndroid
InterfaceHyperOS 3HyperOS 3
Major OS updates promised4—
EU label
Energy classA—
Battery charge cycles1,000—
Endurance per cycle81 h—
Repairability classC—
Drop resistance classC—
To compare: 0up to 4 models
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