Side-by-side technical data

Xiaomi Redmi K90 Max vs Xiaomi Redmi 12 5G

Comparison between Xiaomi Redmi K90 Max and Xiaomi Redmi 12 5G: camera, battery, fast charging, display, performance and colors, side by side. More phones from Xiaomi.

NeoTeo's verdict

Which of the two is the better buy

The Xiaomi Redmi K90 Max is the more complete choice for performance, display, and battery: its 165 Hz AMOLED at 3,500 nits outclasses the Redmi 12 5G’s 90 Hz LCD at 550 nits. The Redmi 12 5G fits better when Google services, expandable storage, or a 3.5 mm jack matter most. Their overall NeoScores are 8.3 and 5.6.

The K90 Max pairs its Dimensity 9500 with 16 GB of RAM, UFS 4.1 storage, and 3,485,900 AnTuTu points; the Redmi 12 5G has a Snapdragon 4 Gen 2, 8 GB, UFS 2.2, and 456,552 points. Maximum storage is 1 TB on the K90 Max and 256 GB on the Redmi 12 5G. Its 8,550 mAh battery and 100 W charging also lead the Redmi 12 5G’s 5,000 mAh and 18 W, and it supports reverse wireless charging.

For cameras, the K90 Max adds a rear ultrawide camera and a 20 MP front camera, compared with 8 MP on the Redmi 12 5G. Its rear camera records 8K at 30 fps, while the Redmi 12 5G records up to 1080p at 30 fps. The Redmi 12 5G is lighter at 199 g versus 227 g, and keeps expandable storage and Google services. The K90 Max offers Wi-Fi 7 and IP68 and IP69 resistance; the Redmi 12 5G is rated IP53.

Xiaomi Redmi K90 Max

The Xiaomi Redmi K90 Max is the better buy for performance seekers, with a Dimensity 9500, 16 GB of RAM, and 3,485,900 AnTuTu points.

Xiaomi Redmi 12 5G

The Xiaomi Redmi 12 5G is the better buy for anyone who prioritizes Google services, expandable storage, and a 3.5 mm jack.

The verdict

Your pick: Xiaomi Redmi K90 Max, ahead on Design & display, Performance & hardware, Camera, Connectivity and Battery & charging.

Category
Category Redmi K90 Max Redmi 12 5G
Design & display 8.6 5.4
Performance & hardware 9.3 4.7
Camera 7.7 5.8
Connectivity 7.7 6.7
Battery & charging 8.3 5.3

Which one is for you?

Xiaomi Redmi K90 Max, if you care about…

Battery Capacity
8,550 mAh
against 5,000 mAh
AnTuTu Score
3,485,900
against 456,552
RAM Capacity
16 GB
against 8 GB
Wi-Fi Standards
Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 7 (802.11be), Wi-Fi 802.11a/b/g
against Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)

Xiaomi Redmi 12 5G, if you care about…

Weight
199 g
against 227 g
Expandable Storage
Yes
against No
Google Services
Yes
against No

Specification comparison

Performance

Specification Redmi K90 Max Redmi 12 5G
Processor Model MediaTek Dimensity 9500 Qualcomm Snapdragon 4 Gen 2
Processor Process Size 3 nm Best value 4 nm
Graphics GPU Mali-G1 Ultra MC12 Qualcomm Adreno 613
Storage Type UFS 4.1 Best value UFS 2.2
Maximum CPU Clock 4.21 GHz Best value 2.2 GHz
Maximum Storage Capacity 1 TB Best value 256 GB
AnTuTu Score 3,485,900 Best value 456,552
Geekbench 6 Single-Core 3,781 Best value 815
Geekbench 6 Multi-Core 12,189 Best value 1,984
CPU Description Octa-core CPU with 1×4.21 GHz C1-Ultra, 3×3.5 GHz C1-Premium, and 4×2.7 GHz C1-Pro Octa-core CPU with 2x2.2 GHz Cortex-A78 and 6x1.95 GHz Cortex-A55 cores.
Processor Type Octa-Core Octa-Core
64-Bit Processor Yes Yes
RAM Capacity 16 GB Best value 8 GB
RAM Type LPDDR5X Best value LPDDR4X
Expandable Storage No Yes Best value
AnTuTu version v11 v10

Design

Specification Redmi K90 Max Redmi 12 5G
Body Colors Silver, Blue, Black, Grey Black, White, Blue, Silver
Body Thickness 8.2 mm 8.2 mm
Body Width 77.9 mm 76.3 mm
Body Height 162.9 mm 168.6 mm
Weight 227 g 199 g Best value
Usable Surface 90.3 % Best value 85.1 %
Body Materials Glass, Aluminium Alloy, Plastic Best value Glass, Plastic
Resistance Features IP68, IP69 Best value IP53
Waterproof Depth 1.5 m —

Battery

Specification Redmi K90 Max Redmi 12 5G
Battery Capacity 8,550 mAh Best value 5,000 mAh
Battery Type Si-Carbon Li-Ion Best value Li-Polymer
Fast Charge Power 100 W Best value 18 W
Battery Features Non-Removable, Rechargeable, Fast Charging, Reverse Charging, Reverse Wireless Charging, Battery Level Indicator Best value Fast Charging, Non-Removable, Battery Level Indicator, Charger Included, Rechargeable
Reverse wireless charging power 22.5 W —

Display

Specification Redmi K90 Max Redmi 12 5G
Display Aspect Ratio 19.5:9 21:9
Display Technology AMOLED Best value IPS LCD
Peak Display Brightness 3,500 nits Best value 550 nits
Display Diagonal 6.83″ Best value 6.79″
Display Horizontal Resolution 1,280 px Best value 1,080 px
Display Vertical Resolution 2,772 px Best value 2,460 px
Display Pixel Density 447 ppi Best value 396 ppi
Display Refresh Rate 165 Hz Best value 90 Hz
Touch Sampling Rate 480 Hz Best value 240 Hz
Display Contrast Ratio 8,000,000 :1 Best value 1,500 :1
Display Features Hole-Punch Notch, HDR10+, Dolby Vision, Always-On Display, Capacitive Touch, Multi-Touch, Scratch Resistant, SGS Certified, TÜV Rheinland Low Blue Light, TÜV Rheinland Flicker-Free Certified, TÜV Rheinland Eye Comfort Certification, 3840Hz PWM, DCI-P3, Frameless Gorilla Glass, Hole-Punch Notch, SGS Certified, Scratch Resistant, Capacitive Touch, Frameless

Sensors

Specification Redmi K90 Max Redmi 12 5G
Fingerprint Sensor Placement Under Display Side

Sensor

Specification Redmi K90 Max Redmi 12 5G
Sensor Features Fingerprint Sensor, Accelerometer, Compass, Gyroscope, Light Sensor, Proximity Sensor, Ultrasonic Proximity Sensor, Virtual Proximity Sensing, Cooling System Fingerprint Sensor, Accelerometer, Compass, Virtual Proximity Sensing

Software

Specification Redmi K90 Max Redmi 12 5G
Operating System Android 16 Android 13
OS Family Android Android
OS Version 16 Best value 13
OS Update Support — 2 years
Google Services No Yes Best value

Connectivity

Specification Redmi K90 Max Redmi 12 5G
SIM Configurations Dual Nano-SIM, Dual SIM Dual Standby Dual Nano-SIM, Dual SIM Dual Standby
Cellular Bands 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B19, LTE B28, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B42, 4G LTE B43, 4G LTE B48, 4G LTE B66, 5G NR n1, 5G NR n3, 5G NR n5, 5G NR n7, 5G NR n8, 5G NR n28, 5G NR n34, 5G NR n38, 5G NR n39, 5G NR n40, 5G NR n41, 5G NR n48, 5G NR n77, 5G NR n78, 3G UMTS B1, 3G UMTS B2, 3G UMTS B4, 3G UMTS B5, 3G UMTS B8, 4G LTE B28A, 5G NR n28a, 5G NR n66 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B2, 3G UMTS B4, 3G UMTS B5, 3G UMTS B6, 3G UMTS B8, 3G UMTS B19, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B13, 4G LTE B17, 4G LTE B18, 4G LTE B19, 4G LTE B20, 4G LTE B26, 4G LTE B28A, 4G LTE B28B, 4G LTE B32, 4G LTE B38, 4G LTE B40, 4G LTE B41, 4G LTE B66, 5G NR n1, 5G NR n3, 5G NR n5, 5G NR n7, 5G NR n8, 5G NR n20, 5G NR n28a, 5G NR n28b, 5G NR n38, 5G NR n40, 5G NR n41, 5G NR n66, 5G NR n77, 5G NR n78
Cellular Technologies GSM, HSPA, LTE, 5G GSM, HSPA, LTE, 5G
Wi-Fi Standards Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 7 (802.11be), Wi-Fi 802.11a/b/g Best value Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Wi-Fi Features Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, MIMO Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display
Bluetooth Version Bluetooth 5.4 Best value Bluetooth 5.3
Bluetooth Profiles A2DP, LE, Auracast, ASHA, MIHC A2DP, LE, EDR, HID
Navigation Systems GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC Best value GPS, A-GPS, GLONASS, Galileo, BeiDou
Connectivity Features Infrared, NFC, USB Type-C, USB Charging, USB Mass Storage, USB Host 2.0, USB OTG, Computer Sync, OTA Sync, Tethering USB Charging, USB Mass Storage, USB OTG, USB Type-C, NFC, 3.5 mm Audio Jack, FM Radio, Computer Sync, OTA Sync, Tethering, Infrared, VoLTE, VoWiFi, Virtual Proximity Sensing
USB Version USB 3.2 USB Type-C
SAR American Head — 1.09 W/kg
SAR American Body — 0.88 W/kg
SAR (EU) head — 0.98 W/kg
SAR (EU) body — 1 W/kg
Max. download speed 10,700 Mbps Best value 2,500 Mbps
Max. upload speed — 900 Mbps

Audio

Specification Redmi K90 Max Redmi 12 5G
Audio Features Stereo Speakers, Dolby Atmos, Noise-Cancellation Microphone, Hi-Res Audio, Hi-Res Wireless Audio, A2DP, LE, LHDC 5, Auracast, ASHA, MIHC A2DP, LE, Stereo Speakers, Hi-Res Audio, EDR, HID

Technical

Specification Redmi K90 Max Redmi 12 5G
Model numbers — 23076RN4BI, 23076RN8DY, 2AFZZRN8DY
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