realme X3 SuperZoom vs Xiaomi Mi 11 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.

8.5
Xiaomi Mi 11 Ultra
realme X3 SuperZoom Xiaomi Mi 11 Ultra
Released · Jun 02, 2020
Released · Apr 02, 2021
6.6-inch · 2400x1080px
6.8-inch · 3200x1440px
Quad camera
Triple camera
8GB · 128GB
8GB · 256GB
4200 mAh
5000 mAh
Check prices

Availability

Officially announced
May 26, 2020 Mar 29, 2021

Design

Dimensions
6.45 x 2.98 x 0.35 inches
163.8 x 75.8 x 8.9 mm
6.47 x 2.94 x 0.33 inches
164.3 x 74.6 x 8.38 mm
Weight
7.13 oz / 202.0 g 8.25 oz / 234.0 g
Materials
Back: Glass
Frame: Plastic
Back: Ceramic
Resistance
Water, Dust; IP68
Biometrics
Fingerprint (touch) 2D Face unlock, Optical in-screen fingerprint
Keys
Left: Volume control; Right: Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Arctic white, Glacier blue Ceramic White, Ceramic Black

Display

Size
6.6-inch, 84.81% screen-to-body 6.8-inch, 91.24% screen-to-body
Type
IPS LCD, 120Hz AMOLED, 120Hz, HDR, 1700 nits
Resolution
2400x1080px, 20:9 ratio, 399 PPI 3200x1440px, 20:9 ratio, 515 PPI
Protection
Corning Gorilla Glass 5 Corning Gorilla Glass Victus
Additional display
1.1 inches, 294 x124 px, AMOLED, Touch screen: Yes, Capacitive
PhoneArena Display Test
Bright Max (20% APL)
Untested Untested
Bright Min
Untested 2.3 (Average)

Hardware

System chip
Snapdragon 855+ SM8150-AC (7 nm) Snapdragon 888 SM8350 (5 nm)
Processor
Octa-core
Kryo 485
Octa-core
Kryo 680
GPU
Adreno 640 Adreno 660
Memory
8GB (LPDDR4)/128GB (UFS 3.0)
12GB/256GB
8GB (LPDDR5)/256GB (UFS 3.1)
12GB/256GB
16GB/256GB
Storage expansion
not expandable not expandable
OS
Android (10) Android (11)

Battery

Type
4200 mAh, Li - Polymer 5000 mAh, Li - Polymer
Charging
Fast charging Fast charging
Qi wireless charging, Reverse wireless charging
Charge speed
Wired: 30.0W Wired: 67.0W
Wireless: 67.0W
PhoneArena Battery Tests
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Battery Life Estimate
4h 58min
Browsing
8h 58min
Video
8h 7min
Gaming
8h 20min

Camera

Rear
Quad camera Triple camera
Main camera
64 MP (PDAF)
Aperture size: F1.8
Focal length: 26 mm
Sensor size: 1/1.7"
Pixel size: 0.8 μm
50 MP (OIS, Laser autofocus)
Aperture size: F1.9
Focal length: 24 mm
Sensor size: 1/1.12″
Pixel size: 1.4 μm
Second camera
8 MP (Ultra-wide)
Aperture size: F2.3
Focal Length: 16 mm
Sensor size: 1/4"
Pixel size: 1.12 μm
48 MP (Ultra-wide, PDAF)
Aperture size: F2.2
Focal Length: 12 mm
Sensor size: 1/2"
Pixel size: 0.8 μm
Third camera
8 MP (Telephoto, OIS, PDAF)
Optical zoom: 5.0x
Aperture size: F3.4
Focal Length: 124 mm
48 MP (Telephoto, Autofocus)
Optical zoom: 5.0x
Aperture size: F4.1
Focal Length: 120 mm
Sensor size: 1/2"
Pixel size: 0.8 μm
Fourth camera
2 MP (Macro)
Aperture size: F2.4
Pixel size: 1.75 μm
Flash
Dual LED Tricolor LED
Video recording
4K UHD (60 fps), 1080p (60 fps), 720p (960 fps)
Time-lapse video, EIS
8K UHD (24 fps), 4K UHD (60 fps), 1080p (1920 fps), 720p (1920 fps)
Front
32 MP (Dual-Camera, EIS)
Video capture: 1080p
20 MP
Video capture: 1080p

Connectivity & Features

Bluetooth
5.0 5.2
WLAN
a,b,g,n,ac,dual-band
MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
b,g,n,ac,Wi-Fi 6
Wi-Fi Direct, Hotspot
802.11 b, g, n, ac, ax
USB
Type-C, USB 2.0 Type-C
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, Dual-band positioning, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, GNSS, Dual-band positioning, Cell ID, Wi-Fi positioning
Other
NFC NFC, Infrared

Multimedia

Headphones
No 3.5mm jack No 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Loudspeaker, Multiple speakers
Features
Dolby Atmos

Cellular

5G Bands
n1, n3, n5, n7, n8, n20, n28, n38, n40, n41, n77, n78, n79, SA, NSA
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 20, 28 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 32, 66
4G (TDD) Bands
38, 40, 41 38, 40, 41, 42
3G Bands
1, 5, 8 1, 2, 4, 5, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
Dual SIM
Yes Yes
SIM type
Nano SIM Nano SIM

Regulatory Approval

FCC approval
Date approved: Mar 31, 2021
FCC ID value: 2AFZZK1G
Measured SAR
Head: 0.84 W/kg
Body: 0.46 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 0.74 W/kg

Alternative variants

with 256GB storage
Memory 12GB/256GB
with 12GB RAM
Memory 12GB
Prices (MSRP) €1200
with 16GB RAM
Memory 16GB
FCC OKs Cingular\'s purchase of AT&T Wireless