Oppo K9 vs Xiaomi Civi 3

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

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

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

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
4G network

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

LTE frequency band 1, 3, 4, 5, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42
5G network

5G band 1, 3, 28, 41, 77, 78 SA/NSA

5G band 1, 3, 5, 8, 28, 38, 41, 77, 78 SA/NSA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

11.5 Mbps
LTE speed

LTE-A, 1200 Mbps download, 210 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Aluminium alloy, glass

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

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

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

159.1 mm

158.7 mm
Width

73.4 mm

71.7 mm
Thickness

7.9 mm

7.6 mm
Weight

172 g

174 g
Colors

Aurora, Black

Gold, Gray, Purple, Mint

Display
Display type

Super AMOLED

AMOLED
Physical size

6.43 inches

6.55 inches
Resolution

1080 x 2400 pixels

1080 x 2400 pixels
Pixel density

409 ppi

402 ppi
Display colors

16777216

68719476736
Protection

Scratch resistant, 2.5D curved glass screen

Scratch resistant, 3D curved glass screen, Corning Gorilla Glass 5
Display features

90Hz, 430 nits (typ), 750 nits (peak)

120Hz, Dolby Vision, HDR10+, 1500 nits (peak)

Main camera
Camera type

Triple

Triple
Main camera

(wide) , 64 MP, f/1.7 , 80˚ , 1/2.0" , 0.8 µm, 20x digital zoom

(wide) , 50 MP, f/1.8 , 1/1.49" , 1.0 µm
(ultrawide) , 8 MP, f/2.2 , 119˚

(ultrawide) , 8 MP, f/2.2 , 115˚ , 1/4" , 1.12 µm
(macro) , 2 MP, f/2.4

(macro) , 2 MP, f/2.4
Primary camera resolution

9280 x 6920 pixels

8190 x 6120 pixels
Primary camera video

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

4K@30fps, 1080p@30/60/120fps, 720p@960fps; gyro-EIS
Primary camera flash

LED flash

Quad-LED dual-tone flash
Camera features

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

Selfie camera
Selfie camera type

Single

Dual
Selfie camera

(wide) , 32 MP, f/2.4 , 80˚ , 0.8 µm

(wide) , 32 MP, f/2.0 , 0.8 µm, 26 mm, 1/2.8"
(ultrawide) , 32 MP, f/2.4 , 1/2.8" , 0.8 µm, 100˚
Selfie camera resolution

6560 x 4928 pixels

-
Selfie camera features

Face unlock, digital image stabilization

Face unlock, face detection, HDR, autofocus, video HDR
Selfie camera video

1080p@30fps

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

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, 802.11ac, 802.11ax
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.3
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

-
Infrared

-

Yes
NFC

No

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

Yes

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

Accelerometer, color spectrum, compass, fingerprint, gyroscope, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

4300 mAh

4500 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

VOOC 4.0 (100% in 35 min)

USB Power Delivery 3.0, 67W (100% in 38 min)