Samsung Galaxy S20 Ultra 5G vs Xiaomi Poco X8 Pro Max 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
Samsung Galaxy S20 Ultra 5G
7.4
Xiaomi Poco X8 Pro Max
Samsung Galaxy S20 Ultra 5G Xiaomi Poco X8 Pro Max
Released · Mar 06, 2020
Released · Mar 17, 2026
6.9-inch · 3200x1440px
6.8-inch · 2772x1280px
Quad camera
Dual camera
12GB · 128GB
12GB · 256GB
5000 mAh
8500 mAh
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Availability

Officially announced
Feb 11, 2020 Mar 17, 2026
Prices (MSRP)
12GB/128GB - $1400
16GB/512GB - $1600
12GB/256GB - $469

Design

Dimensions
6.57 x 2.99 x 0.35 inches
166.9 x 76 x 8.8 mm
6.41 x 3.07 x 0.32 inches (~0.41 inches with camera bump)
162.9 x 77.9 x 8.2 mm (~10.30 mm with camera bump)
Weight
7.83 oz / 222.0 g 7.69 oz / 218.0 g
Materials
Back: Glass (Corning Gorilla Glass 6)
Frame: Aluminum
Back: Glass
Frame: Aluminum
Resistance
Water, Dust; IP68 Water, Dust; IP68
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint Ultrasonic in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Cosmic black, Cosmic grey

Display

Size
6.9-inch, 90.70% screen-to-body 6.8-inch, 90.22% screen-to-body
Type
Dynamic AMOLED, 120Hz, HDR, 1400 nits AMOLED, 120Hz, 3500 nits
Resolution
3200x1440px, 20:9 ratio, 509 PPI 2772x1280px, 447 PPI
Protection
Corning Gorilla Glass 6
PhoneArena Display Test
Bright Max (20% APL)
Untested 3362 (Excellent)
Bright Min
1.5 (Good) 1.9 (Good)

Hardware

System chip
Snapdragon 865 SM8250 (7 nm)
International version - Exynos 990 S5E9830
MediaTek Dimensity 9500 (3 nm)
Processor
Octa-core
Kryo 585
International version - Octa-core, 2x3.02GHz Exynos M5, 2x2.6GHz Cortex-A76, 4x2.11GHz Cortex-A55
Octa-core
1x4.21GHz C1-Ultra
3x3.5GHz C1-Premium
4x2.7 GHz C1-Pro
GPU
Adreno 650
International version - Mali-G77 MP11
Mali G1-Ultra
Memory
12GB (LPDDR5)/128GB (UFS 3.0)
12GB/256GB
16GB/512GB
12GB/256GB
12GB/512GB
Storage expansion
microSDXC up to 1000 GB
OS
Android (13, 12, 11, 10) Android (16)
PhoneArena Performance Test
GeekBench 6 Single
610 2636
GeekBench 6 Multi
2573 8334
3D Mark High
Untested 4194
3D Mark Low
Untested 3416

Battery

Type
5000 mAh, Li - Polymer 8500 mAh, Si - Carbon
Charging
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging
Qi and Powermat wireless charging, Reverse wireless charging
Charge speed
Wired: 45.0W
Wireless: 15.0W
Wired: 100.0W
PhoneArena Battery Tests
Battery Life Estimate
5h 57min
Browsing
10h 2min
Video
10h 29min
Gaming
9h 12min
Battery Life Estimate
10h 21min
Browsing
26h 6min
Video
15h 26min
Gaming
9h 55min

Camera

Rear
Quad camera Dual camera
Main camera
108 MP (OIS, PDAF)
Aperture size: F1.8
Focal length: 26 mm
50 MP (OIS, PDAF)
Aperture size: F1.5
Second camera
12 MP (Ultra-wide, Autofocus)
Aperture size: F2.2
Focal Length: 13 mm
Pixel size: 1.4 μm
8 MP (Ultra-wide)
Aperture size: F2.2
Third camera
48 MP (Telephoto, OIS, PDAF)
Aperture size: F3.5
Focal Length: 102 mm
Sensor size: 1/2"
Pixel size: 0.8 μm
Fourth camera
0.3 MP VGA (ToF 3D depth sensing)
Flash
LED LED
Video recording
8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps)
OIS, HDR, Time-lapse video, EIS
Yes
Front
40 MP (PDAF, HDR)
Video capture: 4K UHD (60 fps)
20 MP

Connectivity & Features

Bluetooth
5.0 Yes
WLAN
Wi-Fi 6,dual-band
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 3.2 Type-C
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Hearing aid compatible
M3/T4
Location
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, ANT+ NFC

Multimedia

Headphones
No 3.5mm jack No 3.5mm jack
Speakers
Earpiece, Multiple speakers Earpiece, Multiple speakers
Features
32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus
Screen mirroring
Wireless screen share
Additional microphone(s)
Noise cancellation

Cellular

5G Bands
n2, n5, n41, n66, n71, n260, n261, SA, NSA, Sub-6, mmWave
International version - n1, n3, n5, n7, n8, n28, n40, n77, n78, Sub-6
5G Ready
LTE Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71
International version - 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66
TDD Bands
38, 39, 40, 41, 46, 48
International version - 38, 39, 40, 41
3G Bands
1, 2, 4, 5, 8
Data Speed
LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
SIM type
Nano SIM Nano SIM

Regulatory Approval

FCC approval
Date approved: Jan 28, 2020
FCC ID value: A3LSMG988B
Measured SAR
Head: 0.26 W/kg
Body: 0.41 W/kg
Simultaneous Transmission: 1.57 W/kg
Wireless Router: 1.04 W/kg
Phablet: 2.12 W/kg