Oppo K9s vs Ulefone Armor 3W

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

GSM 850, 900, 1800, 1900; CDMA 800, 1900
3G network

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x

HSDPA 850, 900, 1700, 1900, 2100; TD-SCDMA 1880-1920, 2010-2025 MHz
4G network

LTE frequency band 1, 3, 4, 5, 8, 19, 28, 34, 38, 39, 40, 41

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(850), 19(850), 20(800), 25(1900), 26(850), 28(700), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
5G network

5G band 1, 28, 41, 77, 78 SA/NSA

-
HSDPA speed

42.2 Mbps

-
HSUPA speed

5.76 Mbps

-
LTE speed

LTE-A, 1200 Mbps download, 210 Mbps upload

LTE, Cat6 301 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic, glass

Polycarbonate, aluminium alloy, TPU
SIM

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

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

164.4 mm

164.8 mm
Width

75.9 mm

79.2 mm
Thickness

8.5 mm

18.15 mm
Weight

199 g

364 g
Waterproof

-

Yes, IP68, IP69K
Dust proof

-

Yes, IP68, IP69K
MIL-STD-810G

-

Yes
Colors

Aurora, Black, Silver

Black, Orange

Display
Display type

IPS LCD

IPS capacitive touchscreen
Physical size

6.59 inches

5.7 inches
Resolution

1080 x 2412 pixels

1080 x 2160 pixels
Pixel density

401 ppi

424 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, 2.5D curved glass screen, Panda glass

Scratch resistant, Corning Gorilla Glass 5
Multitouch

-

Yes
Display features

120Hz, 480 nits (typ), 600 nits (HBM)

-

Main camera
Camera type

Triple

-
Main camera

(wide) , 64 MP, f/1.7 , 81˚ , 26 mm, 1/2.0" , 0.8 µm, 20x digital zoom

21 MP, f/1.8 , 1/2.4" , 1.127 µm
(ultrawide) , 8 MP, f/2.2 , 120˚ , 1/4" , 1.12 µm
89˚ , (macro) , 2 MP, f/2.4 , 1/5" , 1.75 µm
Primary camera resolution

9248 x 6936 pixels

5312 x 3984 pixels
Primary camera video

4K@30fps, 1080p@30/60/120fps; gyro-EIS

1080p@30fps
Primary camera flash

LED flash

dual-LED flash
Camera features

Autofocus, continuous 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, macro-mode, phase detection autofocus, contrast detection autofocus

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

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax

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 2.0

Type-C reversible connector
USB On-The-Go

Yes

Yes
Bluetooth

v5.2

v4.1
Bluetooth A2DP

Yes

-
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

-
NFC

No

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

-
Beidou

-

Yes
BDS

Yes

-
QZSS

Yes

-

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

Accelerometer, barometer, coulometer, fingerprint, gyroscope, light, proximity