BlackBerry Key2 vs Xiaomi Mi Mix 3

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800, 1900 & TD-SCDMA
3G network

HSDPA 850, 900, 1700(AWS), 1900, 2100

HSDPA 800, 850, 900, 1900, 1700(AWS), 1800, 1900, 2100; CDMA2000 1xEV-DO - global; HSDPA 850, 900, 1700(AWS), 1900, 2100 - China
4G network

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 19(800), 20(800), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500) - EU, Africa, AU; LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 14(700), 17(700), 20(800), 28(700), 29(700), 30(2300), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100) - Canada, US, LATAM; LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 19(800), 20(800), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500) - ME, APAC, India; LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 26(850), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) - China

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 29(700), 30(2300), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100) - global; LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 20(800), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) - China
HSDPA speed

42.2 Mbps

-
HSUPA speed

5.76 Mbps

-
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

-

LTE, Cat18, 1.2 Gbps download, 221 Mbps upload
LTE-A speed

LTE-A, (3CA) Cat11, 600 Mbps download, 75 Mbps upload

-
GPRS

Yes

Yes
EDGE

Yes

Yes

Availability
Oficially announced

2018-6

2018-10
Status

2018-6

2018-11

Design
Build

Aluminum frame (7000 series), plastic back

Front glass, aluminium frame, ceramic back
SIM

Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) - BBF100-6 only

Dual SIM (Nano-SIM, dual stand-by)
Height

151.4 mm

157.9 mm
Width

71.8 mm

74.7 mm
Thickness

8.5 mm

8.5 mm
Weight

168 g

218 g
Keyboard

QWERTY

-
Colors

Black, Silver

Black, Blue, Green

Display
Display type

IPS LCD capacitive touchscreen

Super AMOLED capacitive touchscreen
Physical size

4.5 inches

6.39 inches
Resolution

1080 x 1620 pixels

1080 x 2340 pixels
Pixel density

434 ppi

403 ppi
Display colors

16777216

16777216
Protection

Corning Gorilla Glass 3

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass
Multitouch

Yes

Yes

Hardware
CPU

Octa-core

Octa-core
CPU

Quad-core 2.2 GHz Kryo 260

Quad-core 2.8 GHz Kryo 385 Gold
CPU(second)

quad-core 1.8 GHz Kryo 260

quad-core 1.7 GHz Kryo 385 Silver
Chipset

Qualcomm SDM660 Snapdragon 660

Qualcomm SDM845 Snapdragon 845
GPU

Adreno 512

Adreno 630
Memory RAM

6 GB

6, 8, 10 GB
Internal storage

64, 128 GB

128, 256 GB
Memory card

microSD

-
Memory card max

256 GB

-

OS
OS

Android 8.1 (Oreo)

Android 9.0 Pie

Main camera
Camera type

Dual

Dual
Main camera

12 MP, f/1.8 , 1/2.3" , 1.55 µm

12 MP, f/1.8 , 1/2.55" , 1.4 µm
12 MP, f/2.6 , 1.55 µm

12 MP, f/2.4 , 1.0 µm, 1/3.4"
Primary camera resolution

4048 x 3036 pixels

4032 x 3024 pixels
Primary camera video

2160p@30fps, 1080p@30fps

2160p@30/60fps, 1080p@30/60fps, 1080p@960fps
Primary camera Autofocus

phase detection autofocus

-
Primary camera flash

dual-LED dual-tone flash

LED flash
Camera features

Geo-tagging, HDR, face detection, panorama, touch focus

Autofocus, continuous shooting, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode
DxOMark photo

-

108
DxOMark video

-

93
DxOMark camera score

-

103

Selfie camera
Selfie camera type

-

Dual
Selfie camera

8 MP, f/2.0 , 1.12 µm

24 MP, f/2.2 , 0.9 µm, 19 mm, 1/2.8"
Selfie camera resolution

3264 x 2448 pixels

5760 x 4312 pixels
Selfie camera video

1080p

1080p@30fps
DxOMark photo

-

83
DxOMark video

-

85
DxOMark camera score

-

84

Sound
3.5mm jack

Yes

No
Loudspeaker

Yes

Yes
Notifications

Vibration; MP3, WAV ringtones

-
Earpiece

Yes

Yes
Headphone adapter

-

Yes

Multimedia
Radio

-

No
Radio FM

FM radio

-

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 1.0 reversible connector

Type-C 1.0 reversible connector
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth HID

-

Yes
bluetooth LE

Yes

Yes
Bluetooth EDR

Yes

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
Beidou

-

Yes
BDS

BDS2

-
QZSS

-

Yes

Features
Messaging SMS

SMS

-
Messaging MMS

MMS

-
Messaging Email

Email

-
Messaging IM

IM

-
Messaging Push Email

Push Email

-
BlackBerry Messenger

BBM

-
Sensors

Fingerprint (front-mounted), accelerometer, compass, gyro, proximity

Accelerometer, compass, gyroscope, fingerprint, light, proximity

Browser
HTML

HTML5

HTML5

Battery
Battery type

Li-Ion

Li-Ion
Battery capacity

3500 mAh

5500 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

Quick Charge 3.0(50% in 36 min)

Qualcomm Quick Charge 4.0+
Wireless charging

-

Yes

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