ZTE Blade A51 vs ZTE Blade A31

ZTE Blade A51

ZTE Blade A51

May, 2021


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ZTE Blade A31

ZTE Blade A31

July, 2021


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ZTE Blade A51 vs ZTE Blade A31


ZTE Blade A51

ZTE Blade A31

Body
Form Factor
Candybar, TouchscreenCandybar, Touchscreen
Dimensions
166.5 x 75.6 x 8.5 mm (6.56 x 2.98 x 0.33 in)140 x 71 x 8.9 mm (5.51 x 2.80 x 0.35 in)
Weight
173.7 g (6.14 oz)166 g (5.86 oz)
Colors
Blue, GrayBlue, Gray
Display
Type
IPS LCDIPS LCD
Size
6.52 inches, 102.6 cm2 (~81.5% screen-to-body ratio)5.45 inches, 76.7 cm2 (~77.1% screen-to-body ratio)
Resolution
720 x 1600 pixels, 20:9 ratio (~269 ppi density)720 x 1440 pixels, 18:9 ratio (~295 ppi density)
Network
Technology
GSM / HSPA / LTEGSM / HSPA / LTE
2G Bands
GSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G Bands
HSDPA 850 / 900 / 1900 / 2100HSDPA 850 / 900 / 2100
4G Bands
1, 3, 5, 7, 8, 20, 28, 38, 40, 411, 2, 3, 5, 7, 8, 20, 28, 38
Memory
Internal Memory
32GB ROM, 2GB RAM

64GB ROM, 2GB RAM
32GB ROM, 2GB RAM
Storage Type
eMMC 5.1eMMC 5.1
Card Slot
microSDXCmicroSDXC
Connectivity
Speed
HSPA, LTEHSPA, LTE
WLAN
Wi-Fi 802.11 b/g/nWi-Fi 802.11 b/g/n
Bluetooth
4.2, A2DP, LE4.2, A2DP, LE
USB
USB Type-C 2.0, OTGmicroUSB 2.0
GPS
Yes, with A-GPS, GLONASSYes, with A-GPS, GLONASS
NFC
YesYes (market/region dependent)
Camera
Main Camera
Primary: 13 MP, AF

Secondary: 2 MP
8 MP
Camera Features
LED flash, HDRLED flash, HDR
Video
1080p@30fps720p@30fps
Selfie Camera
5 MP2 MP (up-scaled to 5 MP)
Multimedia
Radio
FM radioFM radio
Software
Operating System (OS)
Android OS, v11 (Go edition)Android OS, v11 (Go edition)
Hardware
Chipset
Unisoc SC9863A (28 nm)Unisoc SC9863A (28 nm)
CPU
Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
GPU
IMG8322IMG8322
Sensors
Fingerprint (rear-mounted), accelerometer, proximityAccelerometer
SIM
Nano-SIM + Nano-SIMNano-SIM + Nano-SIM
Speakers
YesYes
Audio Jack
3.5 mm3.5 mm
Battery
Battery Type
Li-Ion 3200 mAhLi-Ion 3000 mAh, removable

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