realme X3 SuperZoom vs Xiaomi 17 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.

realme X3 SuperZoom Xiaomi 17 Ultra
Released · Jun 02, 2020
Released · Dec 27, 2025
6.6-inch · 2400x1080px
6.9-inch · 2608x1200px
Quad camera
Triple camera
8GB · 128GB
12GB · 512GB
4200 mAh
6800 mAh
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Availability

Officially announced
May 26, 2020 Dec 25, 2025
Prices (MSRP)
16GB/512GB - €1499

Design

Dimensions
6.45 x 2.98 x 0.35 inches
163.8 x 75.8 x 8.9 mm
6.41 x 3.06 x 0.33 inches
162.9 x 77.6 x 8.5 mm
Weight
7.13 oz / 202.0 g 8.11 oz / 230.0 g
Materials
Back: Glass
Frame: Plastic
Back: Plastic
Frame: Aluminum
Resistance
Water, Dust; IP69
Biometrics
Fingerprint (touch) Ultrasonic in-screen fingerprint
Keys
Left: Volume control; Right: Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Arctic white, Glacier blue Black, White, Starry Green, Purple

Display

Size
6.6-inch, 84.81% screen-to-body 6.9-inch, 93.16% screen-to-body
Type
IPS LCD, 120Hz AMOLED, 120Hz, Dolby Vision, 3500 nits
Resolution
2400x1080px, 20:9 ratio, 399 PPI 2608x1200px, 19.5:5 ratio, 416 PPI
Protection
Corning Gorilla Glass 5
Features
Ambient light sensor, Proximity sensor
PhoneArena Display Test
Bright Max (20% APL)
Untested 3515 (Excellent)
Bright Min
Untested 1 (Excellent)

Hardware

System chip
Snapdragon 855+ SM8150-AC (7 nm) Snapdragon 8 Elite Gen 5 SM8850-AC (3 nm)
Processor
Octa-core
Kryo 485
Octa-core
2x4.6GHz Oryon V3 Phoenix L
6x3.62GHz Oryon V3 Phoenix M
GPU
Adreno 640 Adreno 840
Memory
8GB (LPDDR4)/128GB (UFS 3.0)
12GB/256GB
12GB/512GB (UFS 4.1)
16GB/512GB
16GB/1TB
Storage expansion
not expandable not expandable
OS
Android (10) Android (16)
PhoneArena Performance Test
GeekBench 6 Single
Untested 3525
GeekBench 6 Multi
Untested 10545
3D Mark High
Untested 6305
3D Mark Low
Untested 3899

Battery

Type
4200 mAh, Li - Polymer 6800 mAh, Si - Carbon
Charging
Fast charging Fast charging
Qi wireless charging, Reverse wireless charging, Reverse wired charging
Charge speed
Wired: 30.0W Wired: 90.0W
Wireless: 50.0W
PhoneArena Battery Tests
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Battery Life Estimate
9h 2min
Browsing
22h 39min
Video
14h 9min
Gaming
7h 10min

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
Aperture size: F1.7
Focal length: 23 mm
Sensor size: 1"
Second camera
8 MP (Ultra-wide)
Aperture size: F2.3
Focal Length: 16 mm
Sensor size: 1/4"
Pixel size: 1.12 μm
50 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 14 mm
Sensor size: 1/2.76"
Pixel size: 0.64 μm
Third camera
8 MP (Telephoto, OIS, PDAF)
Optical zoom: 5.0x
Aperture size: F3.4
Focal Length: 124 mm
200 MP (Telephoto, Periscope)
Optical zoom: 4.2x
Aperture size: F2.4/F3.0
Focal Length: 100 mm
Sensor size: 1/1.4"
Pixel size: 0.56 μm
Fourth camera
2 MP (Macro)
Aperture size: F2.4
Pixel size: 1.75 μm
ToF 3D depth sensing
Flash
Dual LED LED
Video recording
4K UHD (60 fps), 1080p (60 fps), 720p (960 fps)
Time-lapse video, EIS
8K UHD (30 fps), 4K UHD (120 fps)
Front
32 MP (Dual-Camera, EIS)
Video capture: 1080p (30 fps)
50 MP
PhoneArena Camera Tests
N/A
Overall
N/A
Photo
N/A
Video
155
Overall
163
Photo
147
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 7
Wi-Fi Direct, Hotspot
USB
Type-C, USB 2.0 Type-C, USB 3.2
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Barometer, Emergency SOS via satellite (SMS sending/receiving), 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, Cell ID, Wi-Fi positioning
Other
NFC NFC, Infrared

Multimedia

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

Cellular

5G Bands
n1, n2, n3, n5, n7, n8, n12, n20, n25, n26, n28, n38, n40, n41, n48, n66, n77, n78, n80, n84, SA, NSA
LTE Bands
1, 2, 3, 4, 5, 7, 8, 20, 28 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 66
TDD Bands
38, 40, 41 34, 38, 39, 40, 41, 42, 48
3G Bands
1, 5, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM eSIM, Dual Nano SIM