Oppo K7x vs ZTE Axon 30S

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, 1900, 2100
4G network

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

LTE frequency band 1, 3, 4, 5, 7, 8, 12, 17, 20, 34, 38, 39, 40, 41
5G network

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

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

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

-

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE-A (2CA)

LTE-A (CA), 1200 Mbps download, 210 Mbps upload
5G speed

2.3 Gbps download

-
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic

Glass front, plastic back, plastic frame
SIM

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

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

162.2 mm

170.2 mm
Width

75.1 mm

77.8 mm
Thickness

9.1 mm

7.8 mm
Weight

194 g

189 g
Colors

Black, Blue

Black, Blue

Display
Display type

LTPS IPS LCD

AMOLED
Physical size

6.5 inches

6.92 inches
Resolution

1080 x 2400 pixels

1080 x 2460 pixels
Pixel density

405 ppi

400 ppi
Display colors

16777216

1073741824
Protection

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

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass
Display features

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

Always-on display, 120Hz

Hardware
CPU

Octa-core

Octa-core
CPU

Dual-core 2.0 GHz Cortex-A76

Single-core 3.2 GHz Kryo 585
CPU(second)

Hexa-core 2.0 GHz Cortex-A55

Triple-core 2.42 GHz Kryo 585
CPU(third)

Quad-core 1.8 GHz Kryo 585
Chipset

MediaTek MT6853V Dimensity 720 5G

Qualcomm SM8250-AC Snapdragon 870 5G
GPU

Mali-G57 MC3

Adreno 650
Memory RAM

6 GB

8, 12 GB
Internal storage

128 GB

128, 256 GB
Memory card

No

microSD, microSDHC, microSDXC
Storage

UFS 2.1

UFS 3.1

Main camera
Camera type

Quad

Quad
Main camera

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

(wide) , 64 MP, f/1.8 , 25 mm, 1/1.73" , 0.8 µm
(ultrawide) , 8 MP, f/2.2 , 119˚ , 1/4.0" , 1.12 µm

(ultrawide) , 8 MP, f/2.2 , 120˚ , 16 mm
(macro) , 2 MP, f/2.4

(macro) , 5 MP, f/2.4
(depth) , 2 MP, f/2.4

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

8000 x 6000 pixels

9280 x 6920 pixels
Primary camera video

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

4K@30/60fps, 1080p@30fps, gyro-EIS, HDR, 10-bit video
Primary camera flash

LED flash

dual-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, optical 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, laser autofocus

Selfie camera
Selfie camera type

Single

Single
Selfie camera

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

(wide) , 16 MP, f/2.5
Selfie camera resolution

4640 x 3456 pixels

4608 x 3456 pixels
Selfie camera features

Face unlock, HDR

Face unlock, HDR
Selfie camera video

1080p@30fps

1080p@30fps

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 3.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.1
Bluetooth A2DP

Yes

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

Yes
BDS

Yes

Yes