Screen size
Yuva StarWinner: 6.8"+41%
Z404.0"
Quick verdict
Yuva Star leads the measured specs 11-1.
Measured wins
Yuva Star
11
spec wins
Overall winner
Ties
6
equal specs
Z40
1
spec wins
Screen size
Technology
Yuva Star
GSM / HSPA / LTE
Z40
GSM / HSPA / LTE
2G bands
Yuva Star
GSM 900 / 1800
Z40
GSM 900 / 1800
3G bands
Yuva Star
HSDPA 850 / 900 / 1900 / 2100
Z40
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
Front 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
Z40
1, 3, 5, 40, 41
Speed
Yuva Star
HSPA, LTE
Z40
HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps
Announced
Yuva Star
2024, August 06
Z40
2019, March. Released 2019, March
Status
Yuva Star
Available. Released 2024, September
Z40
Discontinued
Dimensions
Yuva Star
165 x 76.1 x 8.8 mm (6.50 x 3.00 x 0.35 in)
Z40
125.5 x 63.9 x 11.7 mm (4.94 x 2.52 x 0.46 in)
Weight
Yuva Star
193 g (6.81 oz)
Z40
120 g (4.23 oz)
SIM
Yuva Star
Nano-SIM + Nano-SIM
Z40
Nano-SIM + Nano-SIM
Type
Yuva Star
IPS LCD
Z40
TN TFT LCD
Size
Yuva Star
6.75 inches, 110.0 cm2 (~87.6% screen-to-body ratio)
Z40
4.0 inches, 45.5 cm2 (~56.8% screen-to-body ratio)
Resolution
Yuva Star
720 x 1600 pixels, 20:9 ratio (~260 ppi density)
Z40
480 x 800 pixels, 5:3 ratio (~233 ppi density)
Protection
Yuva Star
-
Z40
Corning Gorilla Glass (unspecified version)
OS
Yuva Star
Android 14 (Go edition)
Z40
Android 8.1 Oreo (Go edition)
Chipset
Yuva Star
Unisoc SC9863A (28 nm)
Z40
Unisoc SC9832E
CPU
Yuva Star
Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
Z40
Quad-core 1.4 GHz
GPU
Yuva Star
IMG8322
Z40
Mali
Card slot
Yuva Star
microSDXC (dedicated slot)
Z40
microSDXC
Internal
Yuva Star
64GB 3GB RAM, 64GB 4GB RAM
Z40
8GB 1GB RAM
Dual
Yuva Star
13 MP, (wide), AF auxiliary lens
Z40
-
Features
Yuva Star
LED flash, HDR, panorama
Z40
LED flash, HDR
Video
Yuva Star
1080p@30fps
Z40
720p@30fps
Single
Yuva Star
-
Z40
2 MP
Single
Yuva Star
5 MP
Z40
2 MP
Video
Yuva Star
Yes
Z40
Features
Yuva Star
-
Z40
LED flash
Loudspeaker
Yuva Star
Yes
Z40
Yes
3.5mm jack
Yuva Star
Yes
Z40
Yes
WLAN
Yuva Star
Wi-Fi 802.11 b/g/n/ac
Z40
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
Yuva Star
4.2, A2DP
Z40
4.2, A2DP, LE
Positioning
Yuva Star
GPS, GLONASS
Z40
GPS, GLONASS, BDS
NFC
Yuva Star
No
Z40
No
Infrared port
Yuva Star
Yes
Z40
-
Radio
Yuva Star
FM radio
Z40
FM radio
USB
Yuva Star
USB Type-C 2.0, OTG
Z40
microUSB 2.0
Sensors
Yuva Star
Fingerprint (side-mounted), accelerometer, proximity
Z40
Accelerometer
Type
Yuva Star
Li-Ion 5000 mAh
Z40
Li-Ion 2250 mAh, removable
Charging
Yuva Star
10W wired
Z40
-
Colors
Yuva Star
Glossy Black, Glossy Lavender, Glossy White
Z40
Gold, Glossy Black
Models
Yuva Star
LZG409
Z40
-
Price
Yuva Star
About 70 EUR
Z40
About 3500 INR