ZTE Axon 30S vs vivo Y51s

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

GSM 850, 900, 1800, 1900; CDMA 800, 1900 & TD-SCDMA
3G network

HSDPA 850, 900, 1900, 2100

HSDPA 850, 900, 1700(AWS), 2100
4G network

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

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

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

5G band 1, 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 (CA), 1200 Mbps download, 210 Mbps upload

LTE Cat 4, 150.8 Mbps download, 51 Mbps upload
5G speed

-

3.6+ Gbps download
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front, plastic back, plastic frame

Plastic
SIM

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

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

170.2 mm

162 mm
Width

77.8 mm

76.6 mm
Thickness

7.8 mm

8.5 mm
Weight

189 g

190 g
Colors

Black, Blue

Black, Blue, White

Display
Display type

AMOLED

IPS LCD capacitive touchscreen
Physical size

6.92 inches

6.53 inches
Resolution

1080 x 2460 pixels

1080 x 2340 pixels
Pixel density

400 ppi

395 ppi
Display colors

1073741824

16777216
Protection

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

-
Display features

Always-on display, 120Hz

-

Main camera
Camera type

Quad

Triple
Main camera

(wide) , 64 MP, f/1.8 , 25 mm, 1/1.73" , 0.8 µm

48 MP, f/1.8 , 25 mm, 1/2.0" , 0.8 µm
(ultrawide) , 8 MP, f/2.2 , 120˚ , 16 mm

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

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

9280 x 6920 pixels

8000 x 6000 pixels
Primary camera video

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

4K@30fps, 1080p@30fps; gyro-EIS
Primary camera flash

dual-LED flash

LED flash
Camera features

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

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, RAW

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
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 3.0

microUSB 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.1

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

-
GALILEO

Yes

Yes
BDS

Yes

Yes