Xiaomi Mi 9 SE vs Samsung Galaxy S21 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.
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Xiaomi Mi 9 SE | Samsung Galaxy S21 Ultra |
Released
·
Apr 15, 2019
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Released
·
Jan 29, 2021
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6.0-inch · 2340x1080px
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6.8-inch · 3200x1440px
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Triple camera
|
Quad camera
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6GB · 128GB
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12GB · 128GB
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3070 mAh
|
5000 mAh
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Check prices |
Design
Dimensions | |
---|---|
5.81 x 2.78 x 0.29 inches 147.5 x 70.5 x 7.45 mm |
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) |
Weight | |
5.47 oz (155.0 g) | 8.04 oz (229.0 g) |
Materials | |
Back: Glass (Corning Gorilla Glass Victus) Frame: Aluminum |
|
Resistance | |
Water, Dust; IP68 | |
Biometrics | |
2D Face unlock, Optical in-screen fingerprint | 2D Face unlock, Ultrasonic in-screen fingerprint |
Keys | |
Right: Volume control, Lock/Unlock key | Right: Volume control, Lock/Unlock key |
Colors | |
Black, Purple, Blue | Phantom black, Silver |
Display
Size | |
---|---|
6.0-inch | 6.8-inch |
Resolution | |
2340x1080px, 19.5:9 ratio, 432 PPI | 3200x1440px, 20:9 ratio, 516 PPI |
Technology | |
AMOLED | Dynamic AMOLED |
Refresh rate | |
120Hz (adaptable) | |
Screen-to-body | |
83.96 % | 89.33 % |
Colors | |
16 777 216 | |
Peak brightness | |
600 cd/m2 (nit) | 1500 cd/m2 (nit) |
Features | |
HDR support, Scratch-resistant glass (Corning Gorilla Glass), Ambient light sensor, Proximity sensor | HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor |
Hardware
System chip | |
---|---|
Qualcomm Snapdragon 712 SDM712 (10 nm) | Qualcomm Snapdragon 888 SM8350 (5 nm) |
Processor | |
Octa-core 2300 MHz Kryo 360 |
Octa-core 1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680 |
GPU | |
Adreno 616 | Adreno 660 |
RAM | |
6GB (LPDDR4) | 12GB (LPDDR5) |
Internal storage | |
128GB | 128GB (UFS 3.1) |
Storage expansion | |
not expandable | |
OS | |
Android (9.0 Pie) | Android (14, 13, 12, 11), One UI |
Battery
Capacity | |
---|---|
3070 mAh | 5000 mAh |
Type | |
Li - Polymer | |
Charging | |
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging | |
Charge speed | |
Wired: 25.0W Wireless: 15.0W |
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Battery Life Estimate
6h 15min
Browsing
14h 43min
Video
8h 52min
Gaming
8h 40min
Camera
Rear | |
---|---|
Triple camera | Quad camera |
Main camera | |
48 MP (PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm | 108 MP (OIS, Laser and PDAF) Aperture size: F1.8 Focal length: 24 mm Sensor size: 1/1.33" Pixel size: 0.8 μm |
Second camera | |
13 MP (Ultra-wide, PDAF) Aperture size: F2.4 Sensor size: 1/3.06" Pixel size: 1.12 μm |
12 MP (Ultra-wide, PDAF) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm |
Third camera | |
8 MP (Telephoto, Autofocus) Aperture size: F2.4 Sensor size: 1/4" Pixel size: 1.12 μm |
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 |
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 |
|
Flash | |
LED | LED |
Video recording | |
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (960 fps) EIS, Video calling, Video sharing |
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps) OIS, HDR, Hyperlapse, Video light, EIS |
Front | |
20 MP (HDR) | 40 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps) |
Connectivity & Features
Bluetooth | |
---|---|
5.0 | 5.1 |
WLAN | |
802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot | 802.11 a,b,g,n,ac,ax(Wi-Fi 6),dual-band MIMO, Wi-Fi Direct, Hotspot |
USB | |
Type-C, USB 2.0 | Type-C, USB 3.2 |
Hearing aid compatible | |
M3/T3 | |
Location | |
GPS, A-GPS, Glonass, Galileo, BeiDou | GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning |
Sensors | |
Accelerometer, Gyroscope, Compass | Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer |
Other | |
NFC, Infrared, VoIP, Tethering, Computer sync, OTA sync | NFC, ANT+ |
Multimedia
Headphones | |
---|---|
No 3.5mm jack | No 3.5mm jack |
Speakers | |
Earpiece, Loudspeaker | Earpiece, Multiple speakers |
Features | |
Album art cover, Background playback | 32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus |
Screen mirroring | |
Wireless screen share | Wireless screen share |
Radio | |
FM, Stereo, RDS | |
Additional microphone(s) | |
Noise cancellation, Video recording |
Cellular
5G | |
---|---|
Bands n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave | |
4G (FDD) | |
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900) | Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 30(2300 WCS), 66(AWS-3), 71(600) |
4G (TDD) | |
Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+) | Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600) |
3G | |
Bands 5(850), 8(900), 2(1900), 1(2100) | Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900) |
Data Speed | |
LTE-A, HSPA, HSUPA | LTE-A Pro Cat 20 (2000/150 Mbit/s) |
Dual SIM | |
Yes | |
SIM type | |
Nano SIM | Nano SIM |
VoLTE | |
Yes |
Phone Features
Notifications | |
---|---|
Haptic feedback, Music ringtones, Vibration | |
Other features | |
Voice dialing, Voice commands, Voice recording |
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 |
Buyers information
MSRP | |
---|---|
$ 1200 / € 1399 | |
In The Box | |
C to C Data Cable, Ejection Pin |
Availability
Officially announced | |
---|---|
Feb 20, 2019 | Jan 14, 2021 |
Alternative variants
with 256GB storage
Internal storage | 256GB |
---|---|
Colors | Phantom black |
MSRP | $ 1250 |
with 512GB storage
RAM | 16GB |
---|---|
Internal storage | 512GB |
Colors | Phantom black |
MSRP | $ 1380 |
for Europe
System chip | Samsung Exynos 2100 (5 nm) |
---|---|
Processor |
Octa-core 1x 2.91GHz Cortex-X1 + 3x 2.81GHz Cortex-A78 + 4x 2.2GHz 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 |
Links
Full specifications | |
---|---|
Xiaomi Mi 9 SE Specs | Samsung Galaxy S21 Ultra Specs |
PhoneArena Review | |
Samsung Galaxy S21 Ultra Review | |
User Reviews | |
Samsung Galaxy S21 Ultra User Reviews |