Oppo Ace2 vs Oukitel K9

Network
2G network

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

GSM 850, 900, 1800, 1900
3G network

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO

W-CDMA 850, 900, 1700, 1900, 2100
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 34, 38, 39, 40, 41 - China

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 18(800), 19(800)
5G network

5G band 1, 3, 41, 78, 79 SA/NSA - 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 Cat 20

LTE Cat6, 301.5 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame

Aluminium alloy, plastic
SIM

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

Dual SIM (Nano-SIM/microSD)
Height

160 mm

177.6 mm
Width

75.4 mm

86.3 mm
Thickness

8.6 mm

8.9 mm
Weight

186 g

232 g
Colors

Grey, Purple, Silver

Black, Blue

Display
Display type

AMOLED capacitive touchscreen

IPS capacitive touchscreen
Physical size

6.55 inches

7.12 inches
Resolution

1080 x 2400 pixels

1080 x 2244 pixels
Pixel density

402 ppi

350 ppi
Display colors

16777216

16777216
Protection

2.5D curved glass screen, Scratch resistant, Corning Gorilla Glass 5

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

-

Yes
Display features

500 nits typ. brightness, HDR10+, 90Hz refresh rate

-

Main camera
Camera type

Quad

Dual
Main camera

48 MP, f/1.7 , 26 mm, 1/2.0" , 0.8 µm

16 MP
8 MP, f/2.2 , 13 mm, 1/4.0" , 1.12 µm

2 MP
2 MP
2 MP
Primary camera resolution

8000 x 6000 pixels

4608 x 3456 pixels
Primary camera video

4K@30/60fps, 1080p@30/60/240fps; gyro-EIS

1080p@30fps
Primary camera flash

LED flash

quad-LED flash
Camera features

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, 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

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz
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 reversible connector
USB On-The-Go

Yes

Yes
Bluetooth

v5.1

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

-
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

-
Beidou

Yes

-
QZSS

Yes

-