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Samsung Galaxy S21 Ultra vs Xiaomi Mi Mix 4 vs Apple iPhone 13 Pro Max

Compare phone and tablet specifications of up to three devices at once.

Comparison mode:

Display

Size:

6.8 inches
6.7 inches
6.7 inches

Resolution:

3200 x 1440 pixels, 20:9 ratio, 516 PPI
2400 x 1080 pixels, 20:9 ratio, 395 PPI
2778 x 1284 pixels, 19.5:9 ratio, 457 PPI

Technology:

Dynamic AMOLED
AMOLED
OLED

Refresh rate:

120Hz (adaptable)
120Hz
120Hz

Screen-to-body:

89.33 %
87.59 %
87.97 %

Peak brightness:

1500 cd/m2 (nit)

Features:

HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor
HDR support, Oleophobic coating, Scratch-resistant glass (Ceramic Shield), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 888
Qualcomm Snapdragon 888+ SM8350-AC
Apple A15 Bionic

Processor:

Octa-core, 2840 MHz, Kryo 680, 64-bit, 5 nm
Octa-core, 3000 MHz, Kryo 680 Prime, 64-bit, 5 nm
Hexa-core, 64-bit, 5 nm

GPU:

Adreno 660
Adreno 660
Yes

RAM:

12GB LPDDR5
8GB LPDDR5
6GB

Internal storage:

128GB (UFS 3.1), not expandable
128GB (UFS 3.1), not expandable
128GB, not expandable

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (11), Samsung One UI
Android (11), MIUI 12.5 UI
iOS (15.x)

Battery

Capacity:

5000 mAh
4500 mAh
4352 mAh

Type:

Li - Polymer, Not user replaceable
Li - Ion, Not user replaceable
Li - Ion, Not user replaceable

Charging:

Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging
Fast charging, Qi wireless charging, Reverse wireless charging
USB Power Delivery, Qi wireless charging, MagSafe wireless charging

Max charge speed:

Wired: 25.0W; Wireless: 15.0W
Wired: 120.0W; Wireless: 50.0W
Wired: 27.0W; Wireless: 15.0W

Camera

Rear:

Quad camera
Triple camera
Triple camera

Main camera:

108 MP (OIS, Laser and PDAF)
108 MP (OIS, Laser and PDAF)
12 MP (OIS, PDAF)

Specifications:

Aperture size: F1.8; Focal length: 24 mm; Sensor size: 1/1.33"; Pixel size: 0.8 μm
Aperture size: F1.9; Focal length: 24 mm; Sensor size: 1/1.33"; Pixel size: 0.8 μm
Aperture size: F1.5; Focal length: 26 mm; Pixel size: 1.9 μm

Second camera:

10 MP (Telephoto, OIS, PDAF)
8 MP (Periscope, OIS, PDAF)
12 MP (Telephoto, OIS, PDAF)

Specifications:

Optical zoom: 3.0x; Aperture size: F2.4; Focal Length: 70 mm; Sensor size: 1/3.2"; Pixel size: 1.22 μm
Optical zoom: 5.0x
Optical zoom: 3.0x; Aperture size: F2.8; Focal Length: 77 mm

Third camera:

12 MP (Ultra-wide, PDAF)
13 MP (Ultra-wide)
12 MP (Ultra-wide, Autofocus)

Specifications:

Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F2.2; Focal Length: 12 mm; Sensor size: 1/3.06"; Pixel size: 1.12 μm
Aperture size: F1.8; Focal Length: 13 mm

Fourth camera:

10 MP (Periscope, OIS, PDAF)

Specifications:

Optical zoom: 10.0x; Aperture size: F4.9; Focal Length: 240 mm; Sensor size: 1/3.2"; Pixel size: 1.22 μm

Video recording:

7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (480 fps), 1280x720 (HD) (480 fps)
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (30 fps)

Features:

OIS, HDR, Hyperlapse, Video light, EIS
HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking
OIS, HDR, Time-lapse video, Continuous autofocus, Picture-taking during video recording, Video light

Front:

40 MP (PDAF, HDR)
20 MP (Under-screen)
12 MP (Time-of-Flight (ToF), EIS, HDR, Slow-motion videos)

Video capture:

3840x2160 (4K UHD) (60 fps)
1920x1080 (Full HD)
3840x2160 (4K UHD) (60 fps)

Design

Dimensions:

6.50 x 2.98 x 0.35 inches (165.1 x 75.6 x 8.9 mm)
6.40 x 2.97 x 0.31 inches (162.6 x 75.4 x 8 mm)
6.33 x 3.07 x 0.30 inches (160.8 x 78.1 x 7.65 mm)

Weight:

8.04 oz (229.0 g)
7.94 oz (225.0 g)
8.47 oz (240.0 g)

Materials:

Back: Glass (Corning Gorilla Glass Victus); Frame: Aluminum
Back: Ceramic; Frame: Aluminum
Back: Glass; Frame: Stainless steel

Resistance:

Water, Dust; IP68
Splash, Dust; IP53
Water, Splash, Dust; IP68

Biometrics:

2D Face unlock, Ultrasonic in-screen fingerprint
In-screen fingerprint
3D Face unlock

Keys:

Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Left: Volume control, Other; Right: Lock/Unlock key

Colors:

Phantom black, Silver
Ceramic Black, Ceramic White, Shadow Gray
Graphite, Gold, Silver, Sierra Blue

Cellular

5G:

n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave
n1, n3, n5, n8, n28, n41, n77, n78, n79, SA, NSA, Sub-6
n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n48, n66, n71, n77, n79, n258, n260, n261

LTE (FDD):

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)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 8(900), 12(700 a), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT)
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), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 21(1500 Upper), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 32(1500 L-band), 66(AWS-3), 71(600)

LTE (TDD):

Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)
Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500)
Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500), 46, 48(3600)

UMTS:

Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 6(800), 8(900), 19(800)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 6(800)

Data Speed:

LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE-A, HSDPA+ (4G) 42.2 Mbit/s
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS

Dual SIM:

Yes
Yes

SIM type:

Nano SIM
Nano SIM
Nano SIM, eSIM

HD Voice:

Yes
Yes

VoLTE:

Yes
Yes

Multimedia

Headphones:

No 3.5mm jack
No 3.5mm jack
No 3.5mm jack

Speakers:

Earpiece, Multiple speakers
Earpiece, Multiple speakers
Earpiece, Loudspeaker

Features:

32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus
Dolby Atmos

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM, Stereo, RDS

Additional microphone(s):

for Noise cancellation, Video recording
for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

5.1
5.2
5.0

Wi-Fi:

802.11 a, b, g, n, ac, ax (Wi-Fi 6), dual-band; MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax (Wi-Fi 6); MIMO, 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 (reversible), USB 3.2
Type-C (reversible), USB 2.0
Lightning

Features:

Charging, Headphones port, OTG, Video out
Charging
Charging, Headphones port

Location:

GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Accelerometer, Gyroscope, Compass, Barometer, LiDAR scanner

Other:

NFC, ANT+
NFC
NFC, UMA (Wi-Fi Calling)

Hearing aid compatible:

M3, T3
M3, T4

Regulatory Approval

FCC approval:

Date approved:

Dec 22, 2020
Sep 14, 2021

FCC ID value:

A3LSMG998U
BCG-E4003A

Measured SAR:

Head:

0.77 W/kg
0.96 W/kg

Body:

1.02 W/kg
0.96 W/kg

Simultaneous Transmission:

1.59 W/kg
1.45 W/kg

Wireless Router:

1.16 W/kg
0.96 W/kg

Phablet:

3.15 W/kg

Buyers information

Price:

$ 1200
$ 1099

In The Box:

C to C Data Cable, Ejection Pin
Power adapter, USB Type-C data cable, Type-C to 3.5mm headphone cable, Mobile phone protective shell, Film (covered on the screen), Pins, Instructions (including three packs of certificates)
USB‑C to Lightning Cable, Documentation

Availability

Officially announced:

Jan 14, 2021
Aug 10, 2021
Sep 14, 2021
FCC OKs Cingular\'s purchase of AT&T Wireless