Oppo K7x vs Xiaomi Civi 1S

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 1xEV-DO

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

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 34, 38, 39, 40, 41

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42
5G network

5G band 1, 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

5.76 Mbps
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE-A (2CA)

LTE-A
5G speed

2.3 Gbps download

-
GPRS

Yes

Yes
EDGE

Yes

Yes

Display
Display type

LTPS IPS LCD

OLED
Physical size

6.5 inches

6.55 inches
Resolution

1080 x 2400 pixels

1080 x 2400 pixels
Pixel density

405 ppi

402 ppi
Display colors

16777216

1073741824
Protection

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 3

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

480 nits (typ), 600 nits (peak), 90Hz

Dolby Vision, HDR10+, 120Hz, 950 nits (peak)

Hardware
CPU

Octa-core

Octa-core
CPU

Dual-core 2.0 GHz Cortex-A76

Quad-core 2.5 GHz Cortex-A78
CPU(second)

Hexa-core 2.0 GHz Cortex-A55

Triple-core 2.4 GHz Cortex-A78
CPU(third)

Quad-core 1.8 GHz Cortex-A55
Chipset

MediaTek MT6853V Dimensity 720 5G

Qualcomm SM7325-AE Snapdragon 778G+ 5G
GPU

Mali-G57 MC3

Adreno 642L
Memory RAM

6 GB

8, 12 GB
Internal storage

128 GB

128, 256 GB
Memory card

No

No
Storage

UFS 2.1

UFS 2.2

Main camera
Camera type

Quad

Triple
Main camera

(wide) , 48 MP, f/1.7 , 25 mm, 1/2.0" , 0.8 µm

(wide) , 64 MP, f/1.8 , 26 mm, 1/1.97" , 0.7 µm
(ultrawide) , 8 MP, f/2.2 , 119˚ , 1/4.0" , 1.12 µm

(ultrawide) , 8 MP, f/2.2 , 120˚ , 1/4.0" , 1.12 µm
(macro) , 2 MP, f/2.4

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

8000 x 6000 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

LED flash
Camera features

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

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

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 16 MP, f/2.0 , 26 mm, 1/3.06" , 1.0 µm

(wide) , 32 MP, f/2.0 , 24 mm, 0.8 µm
Selfie camera resolution

4640 x 3456 pixels

-
Selfie camera features

Face unlock, HDR

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

1080p@30fps

1080p@30/60fps

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

v5.2
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
NavIC

-

Yes

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

Accelerometer, color spectrum, fingerprint, gyroscope, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

5000 mAh

4500 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

VOOC 4.0 (100% in 65 min)

Quick Charge 4+, 55W (100% in 45 min)
Reverse charging

Yes

-