Samsung Galaxy S21 Ultra vs Xiaomi Mi 10 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.

9.1
Samsung Galaxy S21 Ultra
Samsung Galaxy S21 Ultra Xiaomi Mi 10
Released · Jan 29, 2021
Released · 2020
6.8-inch · 3200x1440px
6.7-inch · 2340x1080px
Quad camera
Quad camera
12GB · 128GB
8GB · 128GB
5000 mAh
4780 mAh
Check prices

Availability

Officially announced
Jan 14, 2021 Mar 27, 2020
Prices (MSRP)
$1200 | €1399

Design

Dimensions
6.50 x 2.98 x 0.35 inches (~0.37 inches with camera bump)
165.1 x 75.6 x 8.9 mm (~9.4 mm with camera bump)
6.40 x 2.94 x 0.35 inches
162.58 x 74.80 x 8.96 mm
Weight
8.04 oz / 229.0 g 7.34 oz / 208.0 g
Materials
Back: Glass (Corning Gorilla Glass Victus)
Frame: Aluminum
Back: Glass (Corning Gorilla Glass 5)
Frame: Aluminum
Resistance
Water, Dust; IP68
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint 2D Face unlock, Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Phantom black, Silver Coral green, Twilight grey

Display

Size
6.8-inch, 89.33% screen-to-body 6.7-inch, 89.96% screen-to-body
Type
Dynamic AMOLED, 120Hz, HDR, 1500 nits AMOLED, 90Hz, HDR, 800 nits
Resolution
3200x1440px, 20:9 ratio, 516 PPI 2340x1080px, 19.5:9 ratio, 386 PPI
Protection
Corning Gorilla Glass Victus Corning Gorilla Glass 5
PhoneArena Display Test
Bright Max (20% APL)
Untested Untested
Bright Min
1.5 (Good) Untested

Hardware

System chip
Snapdragon 888 SM8350 (5 nm) Snapdragon 865 SM8250 (7 nm)
Processor
Octa-core
1x2.84GHz Kryo 680
3x2.42GHz Kryo 680
4x1.80GHz Kryo 680
Octa-core
2840 MHz
Kryo 585
GPU
Adreno 660 Adreno 650
Memory
12GB (LPDDR5)/128GB (UFS 3.1)
12GB/256GB
16GB/512GB
8GB (LPDDR5)/128GB
8GB/256GB
Storage expansion
not expandable not expandable
OS
Android (14, 13, 12, 11) Android (10)
PhoneArena Performance Test
GeekBench 6 Single
1117 Untested
GeekBench 6 Multi
3312 Untested
3D Mark High
1963 Untested
3D Mark Low
1179 Untested

Battery

Type
5000 mAh, Li - Polymer 4780 mAh
Charging
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging
Qi and Powermat wireless charging, Reverse wireless charging
Qualcomm Quick Charge 4+, USB Power Delivery
Qi wireless charging, Reverse wireless charging
Charge speed
Wired: 25.0W
Wireless: 15.0W
PhoneArena Battery Tests
Battery Life Estimate
6h 15min
Browsing
14h 43min
Video
8h 52min
Gaming
8h 40min
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested

Camera

Rear
Quad camera Quad camera
Main camera
108 MP (OIS, Laser and PDAF)
Aperture size: F1.8
Focal length: 24 mm
Sensor size: 1/1.33"
Pixel size: 0.8 μm
108 MP (OIS, Laser and PDAF)
Aperture size: F1.7
Sensor size: 1/1.33"
Pixel size: 0.8 μm
Second camera
12 MP (Ultra-wide, PDAF)
Aperture size: F2.2
Focal Length: 13 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
13 MP (Ultra-wide)
Aperture size: F2.4
Focal Length: 12 mm
Pixel size: 1.12 μm
Third camera
10 MP (Telephoto, OIS, PDAF)
Optical zoom: 3.0x
Aperture size: F2.4
Focal Length: 70 mm
Sensor size: 1/3.2"
Pixel size: 1.22 μm
2 MP (Macro)
Aperture size: F2.4
Pixel size: 1.75 μm
Fourth camera
10 MP (Telephoto, Periscope, OIS, PDAF)
Optical zoom: 3.0x
Aperture size: F2.4
Focal Length: 70 mm
Sensor size: 1/3.2"
Pixel size: 1.22 μm
2 MP (Depth information)
Aperture size: F2.4
Pixel size: 1.75 μm
Flash
LED LED
Video recording
8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps)
OIS, HDR, Hyperlapse, Video light, EIS
8K UHD (30 fps), 4K UHD (60 fps), 1080p (120 fps), 720p (120 fps)
EIS
Front
40 MP (PDAF, HDR)
Video capture: 4K UHD (60 fps)
20 MP (HDR)
Video capture: 1080p

Connectivity & Features

Bluetooth
5.1 5.1
WLAN
a,b,g,n,ac,Wi-Fi 6,dual-band
MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax
a,b,g,n,ac,Wi-Fi 6,dual-band
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax
USB
Type-C, USB 3.2 Type-C, USB 2.0
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/T3
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, Dual-band positioning, Cell ID, Wi-Fi positioning
Other
NFC, ANT+ NFC, Infrared

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 aptX
Screen mirroring
DLNA,Wireless screen share
Additional microphone(s)
Noise cancellation

Cellular

5G Bands
n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave n1, n3, n7, n28, n77, n78, Sub-6
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71 1, 2, 3, 4, 5, 7, 8, 20, 28, 32
4G (TDD) Bands
38, 39, 40, 41, 46, 48 38, 40
3G Bands
1, 2, 4, 5, 8 1, 2, 4, 5, 8
Data Speed
LTE-A Pro Cat 20 (2000/150 Mbit/s) LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM Nano SIM

Regulatory Approval

FCC approval
Date approved: Dec 22, 2020
FCC ID value: A3LSMG998U
Measured SAR
Head: 0.77 W/kg
Body: 1.02 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.16 W/kg
Phablet: 3.15 W/kg

Alternative variants

with 256GB storage
Memory 256GB
Colors Phantom black
Prices (MSRP) $1250
with 256GB storage
Memory 256GB
with 512GB storage
Memory 16GB/512GB
Colors Phantom black
Prices (MSRP) $1380
for Europe
System chip Samsung Exynos 2100 (5 nm)
Processor Octa-core
1x2.91GHz Cortex-X1
3x2.81G​Hz Cortex-A78
4x2.2G​Hz Cortex-A55
GPU Mali G78 MP14
Weight 8.01 oz / 227.0 g
5G Bands SA, NSA, Sub-6
FCC approval Date approved: Dec 22, 2020
FCC ID value: A3LSMG998B
Measured SAR Head: 0.16 W/kg
Body: 0.72 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.34 W/kg
Phablet: 3.86 W/kg
FCC OKs Cingular\'s purchase of AT&T Wireless