Compare / iPhone 18 Pro Max vs Redmi K90 Ultra
iPhone 18 Pro Max vs Redmi K90 Ultra
A side-by-side comparison of the iPhone 18 Pro Max and the Redmi K90 Ultra, covering display, chipset, memory, camera, battery and build.


Overview
Specifications
iPhone 18 Pro Max
- Technology
- GSM / HSPA / LTE / 5G
- 2G bands
- GSM 850 / 900 / 1800 / 1900
- 3G bands
- HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
- 4G bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 34, 38, 39, 40, 41, 42, 48, 53, 66, 106 - A3717
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 42, 48, 53, 66, 71 - A3473
1, 2, 3, 4, 5, 7, 8, 11, 12, 13, 14, 17, 18, 19, 20, 21, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 42, 48, 53, 66, 71, 106 - A3716
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 34, 38, 39, 40, 41, 42, 48, 66, 106 - A3718
- 5G bands
1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 30, 38, 40, 41, 48, 53, 66, 70, 75, 77, 78, 79 SA/NSA/Sub6 - A3717
1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 53, 66, 70, 71, 75, 77, 78, 79, 258, 260, 261 SA/NSA/Sub6/mmWave - A3473
1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 53, 66, 70, 71, 75, 77, 78, 79 SA/NSA/Sub6 - A3716
1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 30, 38, 40, 41, 48, 66, 70, 75, 77, 78, 79 SA/NSA/Sub6 - A3718
- Speed
- HSPA, LTE, 5G
Redmi K90 Ultra
- Technology
- GSM / HSPA / LTE / 5G
- 2G bands
- GSM 850 / 900 / 1800
- 3G bands
- UMTS 2100 / 1700/2100 / 850 / 800 / 900 / 800 - HSUPA, HSUPA 5.8, HSDPA, HSPA+ 21.1, HSPA+ 42.2, DC-HSDPA 42.2
- 4G bands
- LTE bands 1, 3, 5, 7, 8, 19, 28, 34, 38, 39, 40, 41, 42, 48, 66 - 100/50, 150/50, 300/50, 300/75, 300/100, 450/50, 450/100, 600/50, 600/100
- 5G bands
- NR bands 1, 3, 5, 7, 8, 28, 38, 40, 41, 48, 66, 77, 78 - 1500, 2600, 3700 data links
- Dual SIM
- SIM2 supports same bands as SIM1
iPhone 18 Pro Max
- Announced
- 2026, September 09
- Status
- Available. Released 2026, September 18
Redmi K90 Ultra
- Announced
- 2026 Jun
- Status
- Available. Released 2026 Jun 29
iPhone 18 Pro Max
- Dimensions
- 163.4 x 78 x 8.8 mm (6.43 x 3.07 x 0.35 in)
- Weight
- 249 g (8.78 oz)
- Build
- Glass front (Ceramic Shield 2), aluminum frame, aluminum back/ glass back (Ceramic Shield)
- SIM
· Nano-SIM + eSIM + eSIM (max 2 at a time; International)
· eSIM + eSIM (8 or more, max 2 at a time; USA)
· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time; China)
IP68 dust tight and water resistant (immersible up to 6m for 30 min)
Redmi K90 Ultra
- Dimensions
- 162.91 × 77.93 × 8.18 mm
- Weight
- 227 g
- Build
- Yes
- SIM
- Nano-SIM (4FF)
- Protection
- IP69 dust/water resistant (150 cm, 30 min)
- Extras
- Haptic touch feedback, Tactile touch feedback
iPhone 18 Pro Max
- Type
- LTPO Super Retina XDR OLED120HzHDR10Dolby Vision1000 nits (typ)1600 nits (HBM)3000 nits (peak)
- Size
- 6.9 inches, 115.6 cm2 (~90.7% screen-to-body ratio)
- Resolution
- 1320 x 2868 pixels, 19.5:9 ratio (~460 ppi density)
- Protection
Ceramic Shield 2
Anti-reflective coating
Redmi K90 Ultra
- Type
- AM-OLED display, 1073.7M colors, 165 Hz
- Size
- 6.8 inches
- Resolution
- 1280x2772 pixels (~447 PPI density), ~90.2% screen-to-body ratio
- Protection
- Yes
- Touch
- Capacitive multi-touch screen
- Notch/Hole
- 1-hole
iPhone 18 Pro Max
- OS
- iOS 27
- Chipset
- Apple A20 Pro (2 nm)
- CPU
- Hexa-core (2x4.93 GHz + 4x2.64 GHz)
- GPU
- Apple GPU (7-core graphics)
Redmi K90 Ultra
- OS
- Google Android 16 (Baklava)
- Chipset
- Qualcomm Snapdragon 8 Elite SM8750-AB (Sun) 3 nm
- CPU
- 4.32 GHz octa-core
- GPU
- Qualcomm Adreno 830 (1100 MHz)
iPhone 18 Pro Max
- Card slot
- No
- Internal
256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM, 2TB 12GB RAM
NVMe
Redmi K90 Ultra
- Card slot
- No
- Internal
- 512GB 16GB RAM, 512GB 12GB RAM, 256GB 16GB RAM, 256GB 12GB RAM
- Interface
- UFS 4.1
iPhone 18 Pro Max
- Triple
48 MP, f/1.5-4.0, 24mm (wide), 1/1.28", 1.22µm, dual pixel PDAF, sensor-shift OIS (gen2)
48 MP, f/2.8, 100mm (periscope telephoto), 1/2.55", 0.7µm, PDAF, 3D sensor‑shift OIS, 4x optical zoom
48 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55", 0.7µm, PDAF
TOF 3D LiDAR scanner (depth)
- Features
- Dual-LED dual-tone flash, HDR (photo/panorama), Cinematic from regular video
- Video
- 4K@24/25/30/60/100/120fps1080p@25/30/60/120/240fps10-bit HDRDolby Vision HDR (up to 120fps)ProResProRes RAW (up to 120fps)Apple Log 23D (spatial) video/audiostereo sound rec.
Redmi K90 Ultra
- Dual
50.1 MP, f/1.68, 24mm, 1.0 x optical zoom, BSI CMOS, 1.00µm, PD AF, EIS, EIS (video), OIS, Pixel unification, HDR photo, HDR video, Red-eye reduction, Slow motion video, Burst mode, Refocus, Touch focus, Macro mode, Panorama Photo, Face detection, Face tagging, Smile detection, Face retouch, Face retouch (video), Intelligent scene detection
8.0 MP, f/2.20, 15mm, (ultrawide), BSI CMOS, 1.12µm, HDR photo, HDR video, Slow motion video, Burst mode, Panorama Photo, Face detection, Face tagging, Smile detection, Face retouch, Face retouch (video), Intelligent scene detection
- Other features
- single LED flash
- Video
- 7680x4320 pixel
iPhone 18 Pro Max
- Single
18 MP multi-aspect, f/1.9, 20mm (ultrawide), PDAF
SL 3D, (depth/biometrics sensor)
- Features
- HDRDolby Vision HDR3D (spatial) audiostereo sound rec.ProRes RAWApple Log 2
- Video
- 4K@24/25/30/60fps, 1080p@25/30/60/120fps, gyro-EIS
Redmi K90 Ultra
- Single
20.2 MP, f/2.00, BSI CMOS, Pixel unification, HDR photo, HDR video, Slow motion video, Burst mode, Panorama Photo, Face detection, Face tagging, Smile detection, Face retouch, Face retouch (video), Intelligent scene detection
- Video
- 1920x1080 pixel
iPhone 18 Pro Max
- Loudspeaker
- Yes, with stereo speakers
- 3.5mm jack
- No
Redmi K90 Ultra
- Loudspeaker
- 3
- 3.5mm jack
- No
- Audio features
- Voice speakerSpeakerphoneANCHD VoiceVoLTEViLTE
iPhone 18 Pro Max
- WLAN
- Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, hotspot
- Bluetooth
- 6.0, A2DP, LE
- Positioning
- GPS (L1+L5)GLONASSGALILEOBDSQZSSNavIC
- NFC
- Yes
- Radio
- No
- USB
- USB Type-C 3.2 Gen 2, DisplayPort
Redmi K90 Ultra
- WLAN
- 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac, 802.11ax, 802.11be
- Bluetooth
- Bluetooth 5.4
- Positioning
- Simultaneous GPSA-GPSDual-frequency GPSGeotaggingQuickGPSQZSSNavIC
- Satellite details
- GLONASS (L1OF); Galileo (E1, E5a); BeiDou (B1c, B1I, B2a BeiDou receiver)
- NFC
- Yes
- USB
- USB C reversible USB 2.0
- USB features
- USB chargingUSB fast chargingUSB HostUSB OTG 1.3USB OTG 2.0USB PDUSB PD 2.0USB PD 3.0
- Wireless features
- Miracast, Wi-Fi Direct, Wi-Fi Tethering, WiDi, Wi-Fi Calling
- IR
- Yes
iPhone 18 Pro Max
- Sensors
Face ID, accelerometer, gyro, proximity, compass, barometer
Ultra Wideband (UWB) support (gen2 chip)
Emergency SOS, Messages and Find My via satellite
Redmi K90 Ultra
- Sensors
- AccelerometerGyroCompassIn-screen FP sensorL sensorP sensorStep counterNFC
- Software
- Voice CommandBusiness card recognitionNavigation softwareAugmented Reality (AR)Intelligent personal assistantVoice RecognitionFace Recognition
iPhone 18 Pro Max
- Type
Market-dependent versions:
· Li-Ion 5391 mAh - Nano SIM model
· Li-Ion 5567 mAh - eSIM only model
- Charging
Wired, PD3.2, AVS, 50% in 15 min
25W wireless MagSafe/Qi2, 50% in 30 min (15W - China)
4.5W reverse wired
Redmi K90 Ultra
- Type
- 8550 mAh battery Li-ion (Si-C)
- Charging
- 100.0 W charging wired
iPhone 18 Pro Max
- Colors
- Black, Silver, Glacier, Burgundy
- Models
- A3717, A3473, A3716, A3718
- Price
- £ 1,299.00 / € 1,599.00
Redmi K90 Ultra
- Models
- Redmi K90 Ultra 5G Standard Edition Dual SIM TD-LTE CN 512GB M332BF
- Price
- ¥4,199
- Market
- Asia
- Countries
- China
iPhone 18 Pro Max
- Performance
AnTuTu: 3463072 (v11)
GeekBench: 12794 (v6), 11558 (v7)
3DMark: 7931 (Wild Life Extreme)
- Display
- 969 nits max brightness (measured)
- Loudspeaker
- -25.0 LUFS (Very good)
- Battery
- Active use score 19:20h
Redmi K90 Ultra
Not listed for this device
iPhone 18 Pro Max
- Energy
- Class A
- Battery
- 62:00h endurance, 1000 cycles
- Free fall
- Class B (180 falls)
- Repairability
- Class C
Redmi K90 Ultra
Not listed for this device