BlackBerry Key2 vs Xiaomi Redmi K20 Pro Premium

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

HSDPA 850, 900, 1900, 2100

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), 3(1800), 5(850), 7(2600), 8(900), 38(2600), 40(2300), 41(2500)

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3.1 Mbps download, 1.8 Mbps upload

-

LTE-A

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

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2018-6

2019-9

2018-6

2019-9

Aluminum frame (7000 series), plastic back

Aluminium alloy, glass

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

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

151.4 mm

156.7 mm

71.8 mm

74.3 mm

8.5 mm

8.8 mm

168 g

191 g

QWERTY

-

Black, Silver

Black, Blue, Red, Honey, White

IPS LCD capacitive touchscreen

Super AMOLED capacitive touchscreen

4.5 inches

6.39 inches

1080 x 1620 pixels

1080 x 2340 pixels

434 ppi

403 ppi

Corning Gorilla Glass 3

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 6

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HDR10, DCI-P3, Always-on-display

Quad-core 2.2 GHz Kryo 260

Single-core 2.96 GHz Kryo 485

quad-core 1.8 GHz Kryo 260

Triple-core 2.42 GHz Kryo 485

Quad-core 1.8 GHz Kryo 485

Qualcomm SDM660 Snapdragon 660

Qualcomm SDM855 Snapdragon 855+

Adreno 512

Adreno 640

6 GB

8, 12 GB

64, 128 GB

128, 512 GB

microSD

No

256 GB

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Android 8.1 (Oreo)

MIUI 11 (Android 10)

Dual

Triple

12 MP, f/1.8 , 1/2.3" , 1.55 µm

48 MP, f/1.8 , 1/2" , 0.8 µm, 26 mm, 2x optical zoom

12 MP, f/2.6 , 1.55 µm

8 MP, f/2.4 , 1.12 µm, 53 mm, 1/4"

13 MP, f/2.4 , 12 mm, 1/3" , 1.12 µm

4048 x 3036 pixels

8000 x 6000 pixels

2160p@30fps, 1080p@30fps

2160p@30/60fps, 1080p@30/120/240fps, 1080p@960fps

phase detection autofocus

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dual-LED dual-tone flash

LED flash

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

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

8 MP, f/2.0 , 1.12 µm

20 MP, f/2.2 , 0.8 µm

3264 x 2448 pixels

5184 x 3880 pixels

1080p

1080p@30fps

Vibration; MP3, WAV ringtones

-

-

Yes

FM radio

-

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

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Yes

Yes

-

-

aptX HD

Yes, with A-GPS

Yes, with dual-band A-GPS

-

Yes

-

Yes

BDS2

-

SMS

-

MMS

-

Email

-

IM

-

Push Email

-

BBM

-

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

Accelerometer, barometer, compass, fingerprint, gyroscope, hall, proximity, step counter, step detector, in-display fingerprint sensor

Li-Ion

Li-Po

3500 mAh

4000 mAh

Quick Charge 3.0(50% in 36 min)

Qualcomm Quick Charge 4+

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500 USD