Screen size
Yuva StarWinner: 6.8"+16%
Z815.7"
Quick verdict
Yuva Star leads the measured specs 6-5.
Measured wins
Yuva Star
6
spec wins
Overall winner
Ties
7
equal specs
Z81
5
spec wins
Screen size
Technology
Yuva Star
GSM / HSPA / LTE
Z81
GSM / HSPA / LTE
2G bands
Yuva Star
GSM 900 / 1800
Z81
GSM 900 / 1800
3G bands
Yuva Star
HSDPA 850 / 900 / 1900 / 2100
Z81
HSDPA 900 / 2100
4G bands
Yuva Star
1, 3, 5, 7, 8, 20, 28, 38, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Z81
1, 3, 5, 8, 40, 41
Speed
Yuva Star
HSPA, LTE
Z81
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Announced
Yuva Star
2024, August 06
Z81
2018, October. Released 2018, October
Status
Yuva Star
Available. Released 2024, September
Z81
Discontinued
Dimensions
Yuva Star
165 x 76.1 x 8.8 mm (6.50 x 3.00 x 0.35 in)
Z81
152.2 x 73 x 7.9 mm (5.99 x 2.87 x 0.31 in)
Weight
Yuva Star
193 g (6.81 oz)
Z81
141 g (4.97 oz)
SIM
Yuva Star
Nano-SIM + Nano-SIM
Z81
Nano-SIM + Nano-SIM
Type
Yuva Star
IPS LCD
Z81
IPS LCD
Size
Yuva Star
6.75 inches, 110.0 cm2 (~87.6% screen-to-body ratio)
Z81
5.7 inches, 83.8 cm2 (~75.5% screen-to-body ratio)
Resolution
Yuva Star
720 x 1600 pixels, 20:9 ratio (~260 ppi density)
Z81
720 x 1440 pixels, 18:9 ratio (~282 ppi density)
Protection
Yuva Star
-
Z81
Corning Gorilla Glass 3
OS
Yuva Star
Android 14 (Go edition)
Z81
Android 8.1 (Oreo)
Chipset
Yuva Star
Unisoc SC9863A (28 nm)
Z81
Mediatek MT6761 Helio A22 (12 nm)
CPU
Yuva Star
Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
Z81
Quad-core 2.0 GHz Cortex-A53
GPU
Yuva Star
IMG8322
Z81
PowerVR GE8320
Card slot
Yuva Star
microSDXC (dedicated slot)
Z81
microSDXC (dedicated slot)
Internal
Yuva Star
64GB 3GB RAM, 64GB 4GB RAM
Z81
16GB 2GB RAM, 32GB 3GB RAM
Other
Yuva Star
-
Z81
eMMC 5.1
Dual
Yuva Star
13 MP, (wide), AF auxiliary lens
Z81
-
Features
Yuva Star
LED flash, HDR, panorama
Z81
LED flash, HDR, panorama
Video
Yuva Star
1080p@30fps
Z81
1080p@30fps
Single
Yuva Star
-
Z81
13 MP, f/2.2
Single
Yuva Star
5 MP
Z81
13 MP, f/2.0
Video
Yuva Star
Yes
Z81
Features
Yuva Star
-
Z81
LED flash
Loudspeaker
Yuva Star
Yes
Z81
Yes
3.5mm jack
Yuva Star
Yes
Z81
Yes
WLAN
Yuva Star
Wi-Fi 802.11 b/g/n/ac
Z81
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
Yuva Star
4.2, A2DP
Z81
4.2, A2DP, LE
Positioning
Yuva Star
GPS, GLONASS
Z81
GPS
NFC
Yuva Star
No
Z81
No
Infrared port
Yuva Star
Yes
Z81
-
Radio
Yuva Star
FM radio
Z81
FM radio
USB
Yuva Star
USB Type-C 2.0, OTG
Z81
microUSB 2.0
Sensors
Yuva Star
Fingerprint (side-mounted), accelerometer, proximity
Z81
Fingerprint (rear-mounted), accelerometer, proximity
Type
Yuva Star
Li-Ion 5000 mAh
Z81
Li-Po 3000 mAh, non-removable
Charging
Yuva Star
10W wired
Z81
-
Colors
Yuva Star
Glossy Black, Glossy Lavender, Glossy White
Z81
Black/Blue, Gold/Black
Models
Yuva Star
LZG409
Z81
Z81
Price
Yuva Star
About 70 EUR
Z81
-