How we scoreBlogAdvertise
android.gsdevices · specs · comparisons
  1. android.gs
  2. Compare
  3. Signature 27 vs Redmi K90 Max

Motorola Signature 27 vs Xiaomi Redmi K90 Max

What Signature 27 does better (14) and where Redmi K90 Max wins (3) — every spec side by side.

Motorola Signature 27
Motorola · 2026Signature 27
9.7Score
14 advantages
Higher score
vs
Xiaomi Redmi K90 Max
Xiaomi · 2026Redmi K90 Max
9.6Score
3 advantages≈ $480
9.6Display9.7
9.8Performance9.6
9.8Camera9.0
9.7Battery9.6
9.4Features9.3
Dimensions

Size comparison

Signature 27Redmi K90 Max
76.4 × 162.17.277.9 × 162.98.2
Signature 27Redmi K90 MaxDifference
Height162.1 mm162.9 mm−0.8 mm
Width76.4 mm77.9 mm−1.5 mm
Thickness7.2 mm8.2 mm−1 mm
Weight191 g227 g−36 g

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

Why is Signature 27 better than Redmi K90 Max?

  1. AnTuTu score5,153,294 vs 3,760,662+37%
  2. Telephoto cameraYes · Redmi K90 Max: No
  3. Wireless chargingYes · Redmi K90 Max: No
  4. Peak brightness6,200 nits vs 3,500 nits+77%
  5. Geekbench 6 (multi-core)12,703 vs 10,402+22%
  6. Selfie camera50 MP vs 20 MP2.5×
  7. 4K selfie videoYes · Redmi K90 Max: No
  8. CPU frequency5.01 GHz vs 4.21 GHz+19%
  9. Weight191 g vs 227 g+19%
  10. USB version3.1 vs 2+55%
  11. Process2 nm vs 3 nm+50%
  12. Rear cameras3 vs 2+50%

Why is Redmi K90 Max better than Signature 27?

  1. Battery capacity7,000 mAh vs 8,550 mAh+22%
  2. Wired charging90 W vs 100 W+11%
  3. Main camera aperturef/1.9 vs f/1.7+12%
Specifications

Side by side

Design
Weight191 g227 g
Thickness7.2 mm8.2 mm
Height162.1 mm162.9 mm
Width76.4 mm77.9 mm
FrameAluminiumAluminium
Back—Silicone polymer
Ingress protectionIP68IP68
Water resistance (IPx)IPx8IPx8
Glass protectionCorning Gorilla Glass Victus 2Dragon Crystal Glass
ColoursPantone: Coal Smoke, Capulet OliveSilver, Blue, Black
Display
Screen size6.8″6.8″
PanelLTPO AMOLEDAMOLED
OLED panelYesYes
LTPO (adaptive 1–120 Hz)Yes—
Resolution (width)1,264 px1,280 px
Resolution (height)2,780 px2,772 px
Pixel density449 ppi447 ppi
Refresh rate165 Hz165 Hz
Peak brightness6,200 nits3,500 nits
Screen-to-body ratio90.2%90.3%
HDRYesYes
Performance
ChipsetQualcomm SM8975 Snapdragon 8 Elite Extreme Gen 6MediaTek Dimensity 9500
Chip makerQualcommMediaTek
Process2 nm3 nm
CPU cores88
CPU frequency5.01 GHz4.21 GHz
GPUAdreno 850Mali-G1 Ultra MC12
AnTuTu score5,153,2943,760,662
Geekbench 6 (multi-core)12,70310,402
Memory
RAM16 GB16 GB
Storage (max)1,024 GB1,024 GB
Storage (base)256 GB256 GB
Storage typeUFS 4.1UFS 4.1
Memory card slotNoNo
Camera
Main camera50 MP50 MP
Main camera aperturef/1.9f/1.7
Main sensor size1/1.28"1/1.55"
Rear cameras32
Optical stabilisationYesYes
Ultra-wide cameraYesYes
Telephoto cameraYesNo
Optical zoom5×—
Max video8K8K
4K video frame rate60 fps60 fps
Selfie camera50 MP20 MP
4K selfie videoYesNo
Battery
Battery capacity7,000 mAh8,550 mAh
Battery typeSi/CSi/C
Wired charging90 W100 W
Wireless chargingYesNo
Wireless charging power50 W—
Reverse wireless chargingYes—
Connectivity
5GYesYes
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 7Wi-Fi 7
Bluetooth65.4
NFCYesYes
USBUSB Type-C 3.1 Gen2USB Type-C
USB version3.12
Video outputYes—
Ultra WidebandYes—
Infrared port—Yes
Dual-band GPS—Yes
Satellite navigationGLONASS, GALILEO, BDS, NavICGLONASS, GALILEO, BDS, QZSS, NavIC
Features
Stereo speakersYesYes
3.5 mm headphone jackNoNo
Fingerprint sensorUnder display, ultrasonicUnder display, ultrasonic
SensorsFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compassFingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass
Software
OS at launchAndroid 17Android 16
PlatformAndroidAndroid
Interface—HyperOS 3
Major OS updates promised7—
To compare: 0up to 4 models
Compare