Compare / Redmi K90 Ultra vs Leica Leitzphone

Redmi K90 Ultra vs Leica Leitzphone

A side-by-side comparison of the Redmi K90 Ultra and the Leica Leitzphone, covering display, chipset, memory, camera, battery and build.

Redmi K90 Ultra
Xiaomi
Redmi K90 Ultra
Leica Leitzphone
Xiaomi
Leica Leitzphone

Overview

Display
Redmi K90 Ultra
6.8inch
AM-OLED · 165 Hz
1280 × 2772 · 447 PPI
Leica Leitzphone
6.9inch
AM-OLED · 120 Hz
1200 × 2608 · 418 PPI
Chip
Redmi K90 Ultra
Qualcomm Snapdragon 8 Elite SM8750-AB (Sun) 3 nm
4.32 GHz octa-core
Qualcomm Adreno 830 (1100 MHz) · Google Android 16 (Baklava)
Leica Leitzphone
Qualcomm Snapdragon 8 Elite Gen 5 SM8850-AC (Kaanapali) 3 nm
4.61 GHz octa-core
Qualcomm Adreno 840 (1200 MHz) · Google Android 16 (Baklava)
Memory
Redmi K90 Ultra
12 / 16GB RAM
256 GB · 512 GB storage
No card slot
Leica Leitzphone
12 / 16GB RAM
512 GB · 1 TB storage
No card slot
Camera
Redmi K90 Ultra
50.1MP Main
8 MP Ultra Wide
20.2 MP selfie
7680x4320 pixel video
Leica Leitzphone
50.1MP Main
50.1 MP Ultra Wide
200.5 MP Telephoto
32 MP selfie
7680x4320 pixel video
Battery
Redmi K90 Ultra
8,550mAh
100 W wired
Leica Leitzphone
6,000mAh
90 W wired · 50 W wireless
Build
Redmi K90 Ultra
227g
162.91 × 77.93 × 8.18 mm
IP69
Leica Leitzphone
219g
162.9 × 77.6 × 8.29 mm
IP68
Connectivity
Redmi K90 Ultra
5GWi-Fi 7Bluetooth 5.4NFCNano-SIM (4FF)USB C reversible USB 2.0
Leica Leitzphone
5GWi-Fi 7Bluetooth 6.0NFCe-SIM + Nano-SIM (4FF)USB C reversible USB 3.1 Gen 2 / 3.2 Gen 2x1

Specifications

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

Leica Leitzphone

Technology
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
3G bands
UMTS 2100 / 1900 / 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, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 48, 66, 71 - 100/50, 150/50, 300/50, 300/75, 300/100, 450/50, 450/100, 600/50, 600/100, 1000/100, 1200/200, 1600, 2000/300
5G bands
NR bands 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 48, 66, 71, 75, 77, 78, 79 - 1500, 2600, 3700 data links
Dual SIM
SIM2 supports same bands as SIM1

Redmi K90 Ultra

Announced
2026 Jun
Status
Available. Released 2026 Jun 29

Leica Leitzphone

Announced
2026 Feb 21
Status
Available. Released 2026 Mar 18

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

Leica Leitzphone

Dimensions
162.9 × 77.6 × 8.29 mm
Weight
219 g
Build
Yes
SIM
e-SIM + Nano-SIM (4FF)
Protection
IP68 dust/water resistant (600 cm, 30 min)
Extras
Haptic touch feedback, Tactile touch feedback

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

Leica Leitzphone

Type
AM-OLED display, 1073.7M colors, 120 Hz
Size
6.9 inches
Resolution
1200x2608 pixels (~418 PPI density), ~91.5% screen-to-body ratio
Protection
Yes
Touch
Capacitive multi-touch screen
Notch/Hole
1-hole

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)

Leica Leitzphone

OS
Google Android 16 (Baklava)
Chipset
Qualcomm Snapdragon 8 Elite Gen 5 SM8850-AC (Kaanapali) 3 nm
CPU
4.61 GHz octa-core
GPU
Qualcomm Adreno 840 (1200 MHz)

Redmi K90 Ultra

Card slot
No
Internal
512GB 16GB RAM, 512GB 12GB RAM, 256GB 16GB RAM, 256GB 12GB RAM
Interface
UFS 4.1

Leica Leitzphone

Card slot
No
Internal
1TB 16GB RAM, 512GB 16GB RAM, 512GB 12GB RAM
Interface
UFS 4.1

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

Leica Leitzphone

Penta

50.1 MP, f/1.67, 23mm, 4.3 x optical zoom, BSI CMOS, 1.60µm, PD AF, Laser 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

50.1 MP, f/2.20, 14mm, (ultrawide), BSI CMOS, 0.64µm, PD AF, EIS, EIS (video), 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

200.5 MP, f/2.96, 100mm, (telephoto), BSI CMOS

Mono CMOS sensor (depth/mono)

Mono CMOS sensor (depth/mono)

Other features
dual LED flash
Video
7680x4320 pixel

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

Leica Leitzphone

Single

32.0 MP, f/2.20, BSI CMOS, PD AF, EIS, EIS (video), 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
3840x2160 pixel

Redmi K90 Ultra

Loudspeaker
3
3.5mm jack
No
Audio features
Voice speakerSpeakerphoneANCHD VoiceVoLTEViLTE

Leica Leitzphone

Loudspeaker
stereo
3.5mm jack
No
Audio features
Voice speakerSpeakerphoneANCHD VoiceVoLTEViLTE

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

Leica Leitzphone

WLAN
802.11a, 802.11b, 802.11g, 802.11n, 802.11ac, 802.11ax, 802.11be
Bluetooth
Bluetooth 6.0
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 3.1 Gen 2 / 3.2 Gen 2x1
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
A/V In Connector
USB Type-C reversible
IR
Yes

Redmi K90 Ultra

Sensors
AccelerometerGyroCompassIn-screen FP sensorL sensorP sensorStep counterNFC
Software
Voice CommandBusiness card recognitionNavigation softwareAugmented Reality (AR)Intelligent personal assistantVoice RecognitionFace Recognition

Leica Leitzphone

Sensors
AccelerometerGyroCompassBarometerIn-screen FP sensorHallL sensorP sensorStep counterNFC
Software
Voice CommandBusiness card recognitionNavigation softwareAugmented Reality (AR)Intelligent personal assistantVoice RecognitionFace Recognition

Redmi K90 Ultra

Type
8550 mAh battery Li-ion (Si-C)
Charging
100.0 W charging wired

Leica Leitzphone

Type
6000 mAh battery Li-ion (Si-C)
Charging
90.0 W charging wired, 50.0 W wireless (Qi, Qi reverse)

Redmi K90 Ultra

Models
Redmi K90 Ultra 5G Standard Edition Dual SIM TD-LTE CN 512GB M332BF
Price
¥4,199
Market
Asia
Countries
China

Leica Leitzphone

Models
Mi 17 Ultra 5G Premium Edition Global Dual SIM TD-LTE 512GB 2512BPNDAG
Price
1,499
Market
AfricaAsiaAustraliaEastern EuropeEuropeMiddle EastNorth AmericaOceaniaSouth AmericaSoutheast AsiaWestern Europe
Countries
Armenia, Australia, Azerbaijan +70 more
SAR (head)
0.997 W/kg
SAR (body)
0.989 W/kg