BlackBerry Key2 vs Oukitel Y4800

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

W-CDMA 850, 900, 1700, 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), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 18(800), 28(700), 38(2600), 40(2300), 41(2500)

42.2 Mbps

-

5.76 Mbps

-

-

LTE Cat 6, 301.5 Mbps download, 51.0 Mbps upload

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

-

2018-6

2019-5

2018-6

2019-5

Aluminum frame (7000 series), plastic back

Aluminium alloy, plastic

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

Dual SIM (Nano-SIM)

151.4 mm

157 mm

71.8 mm

74.8 mm

8.5 mm

8.25 mm

168 g

170 g

QWERTY

-

Black, Silver

Black

IPS LCD capacitive touchscreen

IPS capacitive touchscreen

4.5 inches

6.3 inches

1080 x 1620 pixels

1080 x 2340 pixels

434 ppi

409 ppi

Corning Gorilla Glass 3

Scratch resistant, 2.5D curved glass screen, LTPS (Low Temperature PolySilicon)

Quad-core 2.2 GHz Kryo 260

Quad-core 2.1 GHz Cortex-A73

quad-core 1.8 GHz Kryo 260

quad-core 1.95 GHz Cortex-A53

Qualcomm SDM660 Snapdragon 660

MediaTek Helio P70

Adreno 512

Mali-G72 MP3

64, 128 GB

128 GB

microSD

microSD, microSDHC, microSDXC

256 GB

128 GB

-

eMMC 5.1

Android 8.1 (Oreo)

Android 9.0 Pie

12 MP, f/1.8 , 1/2.3" , 1.55 µm

48 MP, 1/2" , 1.6 µm

12 MP, f/2.6 , 1.55 µm

5 MP

4048 x 3036 pixels

8000 x 6000 pixels

2160p@30fps, 1080p@30fps

1080p@30fps

phase detection autofocus

-

dual-LED dual-tone flash

dual LED flash

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

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

8 MP, f/2.0 , 1.12 µm

16 MP

3264 x 2448 pixels

4608 x 3456 pixels

1080p

1080p@30fps

Vibration; MP3, WAV ringtones

-

-

FM radio with RDS

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

Type-C 1.0 reversible connector

microUSB 2.0

v5.0

v4.2

Yes

-

Yes

-

Yes

-

BDS2

-

SMS

-

MMS

-

Email

-

IM

-

Push Email

-

BBM

-

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

Accelerometer, compass, fingerprint, proximity, light

Li-Ion

Li-Po

3500 mAh

4000 mAh

Quick Charge 3.0(50% in 36 min)

Yes