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AT&T Z998 vs Xiaomi Mi 11 Ultra vs Xiaomi Mi 11i

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

Comparison mode:

Display

Size:

4.5 inches
6.8 inches
6.7 inches

Resolution:

960 x 540 pixels, 245 PPI
3200 x 1440 pixels, 20:9 ratio, 515 PPI
2400 x 1080 pixels, 20:9 ratio, 395 PPI

Technology:

TFT
AMOLED
AMOLED

Refresh rate:

120Hz
120Hz

Screen-to-body:

64.00 %
91.24 %
85.89 %

Peak brightness:

1700 cd/m2 (nit)
1300 cd/m2 (nit)

Touchscreen:

Capacitive, Multi-touch

Features:

Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Additional display:

1.1 inches, 294 pixels 124 x, AMOLED, Touch screen: Yes, Capacitive

Hardware

System chip:

Qualcomm Snapdragon S4 Plus MSM8930
Qualcomm Snapdragon 888 SM8350
Qualcomm Snapdragon 888 SM8350

Processor:

Dual-core, 1200 MHz, Krait
Octa-core, 2840 MHz, Kryo 680, 64-bit, 5 nm
Octa-core, 2840 MHz, Kryo 680, 64-bit, 5 nm

GPU:

Adreno 305
Adreno 660
Adreno 660

RAM:

1GB LPDDR2
8GB LPDDR5
8GB LPDDR5

Internal storage:

4GB
256GB (UFS 3.1), not expandable
128GB (UFS 3.1)

Storage expansion:

microSDHC up to 32 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (4.1)
Android (11), MIUI 12 UI
Android (11), MIUI 12 UI

Battery

Capacity:

2070 mAh
5000 mAh
4520 mAh

Type:

User replaceable
Li - Polymer, Not user replaceable
Not user replaceable

Charging:

Fast charging, Qi wireless charging, Reverse wireless charging
Fast charging

Max charge speed:

Wired: 67.0W; Wireless: 67.0W
Wired: 33.0W

Camera

Rear:

Single camera
Triple camera
Triple camera

Main camera:

5 MP
50 MP (OIS, Laser autofocus)
108 MP (Autofocus)

Specifications:

Aperture size: F1.9; Focal length: 24 mm; Sensor size: 1/1.12″; Pixel size: 1.4 μm
Aperture size: F1.8; Sensor size: 1/1.52”; Pixel size: 0.7 μm

Second camera:

48 MP (Telephoto, Autofocus)
5 MP (Telephoto, Macro)

Specifications:

Optical zoom: 5.0x; Aperture size: F4.1; Focal Length: 120 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F2.4

Third camera:

48 MP (Ultra-wide, PDAF)
8 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Focal Length: 12 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F2.2

Video recording:

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

Features:

HDR, Time-lapse video

Front:

Yes
20 MP
20 MP (HDR)

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

5.2 x 2.6 x 0.4 inches (132 x 66 x 10 mm)
6.47 x 2.94 x 0.33 inches (164.3 x 74.6 x 8.38 mm)
6.44 x 3.01 x 0.31 inches (163.7 x 76.4 x 7.8 mm)

Weight:

4.8 oz (136.0 g)
8.25 oz (234.0 g)
6.91 oz (196.0 g)

Materials:

Back: Ceramic
Back: Glass (Corning Gorilla Glass 5)

Resistance:

Water, Dust; IP68

Biometrics:

2D Face unlock, In-screen fingerprint
2D Face unlock, Fingerprint (touch)

Keys:

Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key

Colors:

Black
Ceramic White, Ceramic Black
Cosmic Black, Frosty White, Celestial Silver

Cellular

5G:

n1, n3, n5, n7, n8, n20, n28, n38, n40, n41, n77, n78, n79, SA, NSA
n1, n3, n5, n7, n8, n20, n28, n38, n41, n77, n78

LTE (FDD):

Bands 17(700 b), 4(AWS-1)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 28(700 APT), 32(1500 L-band), 66(AWS-3)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 28(700 APT), 66(AWS-3)

LTE (TDD):

Bands 38(2600), 40(2300), 41(2600+), 42(3500)
Bands 38(2600), 40(2300), 41(2600+)

UMTS:

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

Data Speed:

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

Dual SIM:

Yes
Yes

SIM type:

Nano SIM
Nano SIM

Multimedia

Headphones:

3.5mm jack
No 3.5mm jack
No 3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker, Multiple speakers
Earpiece, Loudspeaker, Multiple speakers

Features:

Album art cover, Background playback
Dolby Atmos

Screen mirroring:

Wireless screen share
Wireless screen share

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

4.0
5.2
5.2

Wi-Fi:

802.11 b, g, n; Hotspot
802.11 b, g, n, ac, ax (Wi-Fi 6); Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax (Wi-Fi 6); MIMO, Wi-Fi Direct, Hotspot

USB:

microUSB, USB 2.0
Type-C (reversible)
Type-C (reversible)

Features:

Mass storage device, Charging
Charging, Mass storage device
Charging

Location:

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

Sensors:

Accelerometer, Compass
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Altimeter, Compass, Barometer

Other:

Tethering, Computer sync, OTA sync
NFC, Infrared
NFC, Infrared

Hearing aid compatible:

M3, T4

Phone features

Notifications:

Haptic feedback, Music ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, Speakerphone

Other features:

Voice dialing, Voice commands, Voice recording, TTY/TDD

Regulatory Approval

FCC approval:

Date approved:

Oct 20, 2013
Mar 31, 2021
Mar 30, 2021

FCC ID value:

Q78-Z998
2AFZZK1G
2AFZZK11G

Measured SAR:

Head:

0.73 W/kg
0.84 W/kg
0.95 W/kg

Body:

1.33 W/kg
0.46 W/kg
0.74 W/kg

Simultaneous Transmission:

1.45 W/kg
1.59 W/kg
1.59 W/kg

Wireless Router:

1.38 W/kg
0.74 W/kg
0.93 W/kg

Buyers information

Price:

€ 649

In The Box:

33W Power Adapter, USB Type-C Cable, Type-C to 3.5 mm Headphone Adapter, SIM Eject Tool, Protective Case, User Guide, Warranty Card

Availability

Officially announced:

Mar 29, 2021
Mar 29, 2021
FCC OKs Cingular\'s purchase of AT&T Wireless