Xiaomi Mi Mix 4 vs Motorola Signature Specs Comparison

Availability

Officially announced
Aug 10, 2021	Jan 07, 2026
Prices (MSRP)
	16GB/512 - €1000

Design

Dimensions
6.40 x 2.97 x 0.31 inches 162.6 x 75.4 x 8 mm	6.38 x 3.01 x 0.28 inches 162.1 x 76.4 x 6.99 mm
Weight
7.94 oz / 225.0 g	6.56 oz / 186.0 g
Materials
Back: Ceramic Frame: Aluminum	Frame: Aluminum
Resistance
Splash, Dust; IP53	Water, Splash, Dust; IP69; MIL-STD 810H
Biometrics
Optical in-screen fingerprint	Ultrasonic in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Ceramic Black, Ceramic White, Shadow Gray	Carbon, Martini Olive

Display

Size
6.7-inch, 87.59% screen-to-body	6.8-inch, 90.72% screen-to-body
Type
AMOLED, 120Hz, HDR	AMOLED, 165Hz, 6200 nits
Resolution
2400x1080px, 20:9 ratio, 395 PPI	2780x1264px, 449 PPI
Protection
Corning Gorilla Glass Victus	Corning Gorilla Glass Victus 2
Features
	HDR support, Dolby Vision

Hardware

System chip
Snapdragon 888+ SM8350-AC (5 nm)	Snapdragon 8 Gen 5 SM8845 (3 nm)
Processor
Octa-core Kryo 680 Prime	Octa-core 2x3.8GHz Oryon V3 Phoenix L 6x3.32GHz Oryon V3 Phoenix M
GPU
Adreno 660	Adreno 840
Memory
8GB (LPDDR5)/128GB (UFS 3.1) 8GB/256GB 12GB/256GB 12GB/512GB	16GB (LPDDR5X)/512GB (UFS 4.1)
Storage expansion
not expandable	not expandable
OS
Android (11)	Android (16)

Battery

Type
4500 mAh, Li - Ion	5200 mAh, Si - Carbon
Charging
Fast charging Qi wireless charging, Reverse wireless charging	Reverse wireless charging
Charge speed
Wired: 120.0W Wireless: 50.0W	Wired: 90.0W Wireless: 50.0W

Camera

Rear
Triple camera	Triple camera
Main camera
108 MP (OIS, Laser and PDAF) Aperture size: F1.9 Focal length: 24 mm Sensor size: 1/1.33" Pixel size: 0.8 μm	50 MP (OIS, PDAF) Aperture size: F1.6 Sensor size: 1/1.28" Pixel size: 1.22 μm
Second camera
13 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 12 mm Sensor size: 1/3.06" Pixel size: 1.12 μm	50 MP (Ultra-wide) Aperture size: F2.0 Focal Length: 12 mm Sensor size: 1/2.76" Pixel size: 0.64 μm
Third camera
8 MP (Periscope, OIS, PDAF) Optical zoom: 5.0x	50 MP (Telephoto, Periscope, OIS) Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 71 mm Sensor size: 1/1.95" Pixel size: 0.8 μm
Flash
Dual LED
Video recording
8K UHD (24 fps), 4K UHD (60 fps), 1080p (480 fps), 720p (480 fps) HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking	8K UHD (30 fps), 4K UHD (120 fps), 1080p (240 fps)
Front
20 MP (Under-screen) Video capture: 1080p (30 fps)	50 MP (Autofocus)

Connectivity & Features

Bluetooth
5.2	6.0
WLAN
Wi-Fi 6 MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax	Wi-Fi 6,Wi-Fi 7 Wi-Fi Direct, Hotspot
USB
Type-C, USB 2.0	Type-C, USB 3.2
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning
Other
NFC	NFC

Multimedia

Headphones
No 3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Multiple speakers	Earpiece, Multiple speakers

Cellular

5G Bands
n1, n3, n5, n8, n28, n41, n77, n78, n79, SA, NSA, Sub-6	n1, n2, n3, n4, n5, n7, n8, n20, n25, n26, n28, n38, n40, n41, n66, n70, n71, n77, n78, n80, n84
LTE Bands
1, 2, 3, 4, 5, 8, 12, 17, 18, 19, 20, 26, 28	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66, 71
TDD Bands
34, 38, 39, 40, 41, 42	34, 38, 39, 40, 41, 42, 43, 46
3G Bands
1, 2, 4, 5, 6, 8, 19	1, 2, 4, 5, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM	Nano SIM, eSIM
HD Voice
Yes
VoLTE
Yes

Alternative variants

With 256GB internal storage

Memory	256GB

With 12GB RAM and 256GB internal storage

Memory	12GB/256GB

With 12GB RAM and 512GB internal storage

Memory	12GB/512GB

Discover more

Full Specs Xiaomi Mi Mix 4 Specs

Full Specs Motorola Signature Specs