Xiaomi Mi Mix 3 vs Xiaomi 14 Ultra Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

8.9
Xiaomi Mi Mix 3
7.4
Xiaomi 14 Ultra
Xiaomi Mi Mix 3 Xiaomi 14 Ultra
Released · Nov 01, 2018
Released · Feb 22, 2024
6.4-inch · 2340x1080px
6.7-inch · 3200x1440px
Dual camera
Quad camera
8GB · 256GB
16GB · 512GB
3200 mAh
5000 mAh
Check prices
Check Accessories Check Accessories

Availability

Officially announced
Oct 25, 2018 Feb 22, 2024
Prices (MSRP)
16GB/512GB - €1469

Design

Dimensions
6.22 x 2.94 x 0.33 inches
157.89 x 74.69 x 8.46 mm
6.35 x 2.96 x 0.36 inches
161.4 x 75.3 x 9.2 mm
Weight
7.69 oz / 218.0 g 7.75 oz / 219.8 g
Materials
Back: Ceramic
Frame: Aluminum
Resistance
Yes; IP68
Biometrics
2D Face unlock, Fingerprint (touch) Optical in-screen fingerprint
Features
Notification light
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Black, Green, Blue Black, Blue, White, Titanium Gray

Display

Size
6.4-inch, 84.96% screen-to-body 6.7-inch, 90.18% screen-to-body
Type
Super AMOLED, HDR, 600 nits AMOLED, 120Hz, HDR, 3000 nits
Resolution
2340x1080px, 19.5:9 ratio, 403 PPI 3200x1440px, 20:9 ratio, 521 PPI
Features
HDR support, Dolby Vision, Ambient light sensor, Proximity sensor
PhoneArena Display Test
Bright Max (20% APL)
Untested 1242 (Average)
Bright Min
2 (Good) 1.9 (Good)

Hardware

System chip
Snapdragon 845 SDM845 (10 nm) Snapdragon 8 Gen 3 SM8650-AB (4 nm)
Processor
Octa-core
2800 MHz
Kryo 385
Octa-core
1x3.3GHz Cortex-X4
5x3.2GH​z Cortex-A720
2x2.3​GHz Cortex-A520
GPU
Adreno 630 Adreno 750
Memory
8GB (LPDDR4)/256GB
6GB/256GB
8GB/256GB
10GB/256GB
16GB (LPDDR5X)/512GB (UFS 4.0)
16GB/1024GB
Storage expansion
not expandable not expandable
OS
Android (9.0 Pie) Android (14)
PhoneArena Performance Test
GeekBench 6 Single
Untested 2294
GeekBench 6 Multi
Untested 7054
3D Mark High
Untested 4295
3D Mark Low
Untested 4018

Battery

Type
3200 mAh, Li - Polymer 5000 mAh
Charging
Qualcomm Quick Charge 4+
Qi wireless charging
Fast charging
Qi wireless charging, Reverse wireless charging
Charge speed
Wired: 90.0W
Wireless: 80.0W
PhoneArena Battery Tests
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Battery Life Estimate
6h 32min
Browsing
15h 29min
Video
9h 9min
Gaming
9h 20min

Camera

Rear
Dual camera Quad camera
Main camera
12.2 MP (OIS, PDAF)
Aperture size: F1.8
Sensor size: 1/2.55"
Pixel size: 1.4 μm
50 MP (Autofocus, Laser and PDAF)
Aperture size: F1.6/F4.0
Focal length: 23 mm
Sensor size: 1"
Pixel size: 1.6 μm
Second camera
12 MP (Telephoto)
Optical zoom: 2.0x
Sensor size: 1/3.4"
Pixel size: 1 μm
50 MP (Ultra-wide)
Aperture size: F1.8
Focal Length: 12 mm
Sensor size: 1/2.51"
Pixel size: 0.7 μm
Third camera
50 MP (Telephoto, Periscope, OIS, PDAF)
Optical zoom: 5.0x
Aperture size: F2.5
Focal Length: 120 mm
Sensor size: 1/2.51"
Pixel size: 0.7 μm
Fourth camera
50 MP (Telephoto, OIS)
Optical zoom: 3.2x
Aperture size: F1.8
Focal Length: 75 mm
Sensor size: 1/2.51"
Pixel size: 0.7 μm
Flash
Dual LED Dual LED
Video recording
4K UHD (60 fps), 1080p (960 fps), 720p (960 fps)
Time-lapse video, EIS, Video calling, Video sharing
8K UHD (30 fps), 4K UHD (120 fps), 1080p (1920 fps)
Front
24 MP (Dual-Camera, Flash, HDR) 32 MP
Video capture: 4K UHD (60 fps)
PhoneArena Camera Tests
N/A
Overall
N/A
Photo
N/A
Video
157
Overall
161
Photo
153
Video

Connectivity & Features

Bluetooth
5.0 5.4
WLAN
dual-band
MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
Wi-Fi 6,Wi-Fi 6E,Wi-Fi 7,tri-band
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax
USB
Type-C Type-C, USB 3.2
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning
Other
NFC, VoIP, Tethering, Computer sync, OTA sync NFC, Infrared

Multimedia

Headphones
No 3.5mm jack No 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Multiple speakers
Features
Album art cover, Background playback
Screen mirroring
Wireless screen share

Cellular

5G Bands
n1, n2, n3, n5, n7, n8, n20, n28, n38, n40, n41, n48, n66, n77, n79, SA, NSA
LTE Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 66
TDD Bands
34, 38, 39, 40, 41 38, 40, 41, 42, 48
3G Bands
6, 5, 8, 4, 3, 2, 1 1, 2, 4, 5, 6, 8
Data Speed
LTE-A, HSPA, HSUPA LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM Dual Nano SIM
HD Voice
Yes
VoLTE
Yes

Alternative variants

with 6 GB RAM
Memory 6GB
Colors Black
With 1TB internal storage
Memory 1024GB
with 256 GB storage
Memory 256GB
Colors Black
Forbidden City Special Edition
Memory 10GB
FCC OKs Cingular\'s purchase of AT&T Wireless