Screen size
Quick verdict
Y100 4G leads the measured specs 10-4.
Measured wins
Y100 4G
10
spec wins
Overall winner
Ties
9
equal specs
Y21d
4
spec wins
Screen size
Technology
Y100 4G
GSM / HSPA / LTE
Y21d
GSM / HSPA / LTE
2G bands
Y100 4G
GSM 850 / 900 / 1800 / 1900
Y21d
GSM 850 / 900 / 1800 / 1900
3G bands
Y100 4G
HSDPA 850 / 900 / 2100
Y21d
HSDPA 850 / 900 / 2100
4G bands
Y100 4G
1, 3, 5, 7, 8, 20, 28, 38, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
equal specsMain 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
equal specsY21d
1, 3, 5, 8, 40
Speed
Y100 4G
HSPA, LTE
Y21d
HSPA, LTE
Announced
Y100 4G
2024, May 03
Y21d
2025, October 11
Status
Y100 4G
Available. Released 2024, May 03
Y21d
Available. Released 2025, October
Dimensions
Y100 4G
163.2 x 75.8 x 7.8 mm (6.43 x 2.98 x 0.31 in)
Y21d
166.1 x 77 x 8.4 mm (6.54 x 3.03 x 0.33 in)
Weight
Y100 4G
186 g or 196 g (6.56 oz)
Y21d
209 g (7.37 oz)
SIM
Y100 4G
Nano-SIM + Nano-SIM
Y21d
Nano-SIM + Nano-SIM
Other
Y100 4G
IP54 dust protected and water resistant (water splashes)
Y21d
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 6m for 30 min) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions
Build
Y100 4G
-
Y21d
Glass front, plastic back, plastic frame
Type
Y100 4G
AMOLED, 120Hz, 1800 nits (peak)
Y21d
IPS LCD, 90Hz, 1000 nits (HBM)
Size
Y100 4G
6.67 inches, 107.4 cm2 (~86.8% screen-to-body ratio)
Y21d
6.68 inches, 107.4 cm2 (~84.0% screen-to-body ratio)
Resolution
Y100 4G
1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
Y21d
720 x 1608 pixels, 20:9 ratio (~264 ppi density)
Protection
Y100 4G
-
Y21d
Ion strengthened glass
OS
Y100 4G
Android 14, Funtouch 14
Y21d
Android 15, Funtouch 15
Chipset
Y100 4G
Qualcomm SM6225 Snapdragon 685 (6 nm)
Y21d
Unisoc T7225 (12 nm)
CPU
Y100 4G
Octa-core (4x2.8 GHz Cortex-A73 & 4x1.9 GHz Cortex-A53)
Y21d
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU
Y100 4G
Adreno 610
Y21d
Mali-G52 MP1
Card slot
Y100 4G
microSDXC (uses shared SIM slot)
Y21d
microSDXC (dedicated slot)
Internal
Y100 4G
128GB 8GB RAM, 256GB 8GB RAM
Y21d
128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM
Other
Y100 4G
UFS 2.2
Y21d
eMMC 5.1
Dual
Y100 4G
50 MP, f/1.8, (wide), PDAF Auxiliary lens
Y21d
-
Features
Y100 4G
LED flash, panorama, HDR
Y21d
Ring-LED flash, panorama
Video
Y100 4G
1080p@30fps
Y21d
1080p@30fps
Single
Y100 4G
-
Y21d
50 MP, f/1.8, (wide), PDAF Auxiliary lens
Single
Y100 4G
8 MP, f/2.0, (wide)
Y21d
5 MP, f/2.2
Video
Y100 4G
1080p@30fps
Y21d
Yes
Loudspeaker
Y100 4G
Yes, with stereo speakers
Y21d
Yes, with stereo speakers
3.5mm jack
Y100 4G
No
Y21d
No
Other
Y100 4G
-
Y21d
24-bit/192kHz Hi-Res audio
WLAN
Y100 4G
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Y21d
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
Y100 4G
5.0, A2DP, LE
Y21d
5.2, A2DP, LE
Positioning
Y100 4G
GPS, GLONASS, GALILEO, BDS, QZSS
Y21d
GPS, GLONASS, GALILEO, BDS, QZSS
NFC
Y100 4G
No
Y21d
No
Radio
Y100 4G
No
Y21d
FM radio
USB
Y100 4G
USB Type-C 2.0, OTG
Y21d
USB Type-C 2.0, OTG
Sensors
Y100 4G
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Y21d
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
Y100 4G
Li-Ion 5000 mAh
Y21d
Si/C Li-Ion 6500 mAh
Charging
Y100 4G
80W wired, 80% in 30 min Reverse wired
Y21d
44W wired, 50% in 40 min Reverse wired
Colors
Y100 4G
Crystal Black, Breeze Green
Y21d
Lavender Purple, Black
Models
Y100 4G
V2412
Y21d
-
Price
Y100 4G
About 230 EUR
Y21d
About 100 EUR