Screen size
Y21dWinner: 6.7"+4.5%
Y9s6.4"
Quick verdict
Y21d leads the measured specs 10-7.
Measured wins
Y21d
10
spec wins
Overall winner
Ties
6
equal specs
Y9s
7
spec wins
Screen size
Technology
Y21d
GSM / HSPA / LTE
Y9s
GSM / CDMA / HSPA / LTE
2G bands
Y21d
GSM 850 / 900 / 1800 / 1900
Y9s
GSM 850 / 900 / 1800 / 1900 , CDMA 800 & TD-SCDMA
3G bands
Y21d
HSDPA 850 / 900 / 2100
Y9s
HSDPA 850 / 900 / 2100
4G bands
Y21d
1, 3, 5, 8, 40
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
equal specsMain camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
SD card
equal specsStereo speakers
Y9s
1, 3, 5, 8, 34, 38, 39, 40, 41
Speed
Y21d
HSPA, LTE
Y9s
HSPA, LTE
Announced
Y21d
2025, October 11
Y9s
2019, December. Released 2019, December
Status
Y21d
Available. Released 2025, October
Y9s
Discontinued
Dimensions
Y21d
166.1 x 77 x 8.4 mm (6.54 x 3.03 x 0.33 in)
Y9s
159.3 x 75.2 x 8.7 mm (6.27 x 2.96 x 0.34 in)
Weight
Y21d
209 g (7.37 oz)
Y9s
186.7 g (6.60 oz)
Build
Y21d
Glass front, plastic back, plastic frame
Y9s
Glass front, glass back, aluminum frame
SIM
Y21d
Nano-SIM + Nano-SIM
Y9s
Nano-SIM + Nano-SIM
Other
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
Y9s
-
Type
Y21d
IPS LCD, 90Hz, 1000 nits (HBM)
Y9s
Super AMOLED
Size
Y21d
6.68 inches, 107.4 cm2 (~84.0% screen-to-body ratio)
Y9s
6.38 inches, 99.9 cm2 (~83.4% screen-to-body ratio)
Resolution
Y21d
720 x 1608 pixels, 20:9 ratio (~264 ppi density)
Y9s
1080 x 2340 pixels, 19.5:9 ratio (~404 ppi density)
Protection
Y21d
Ion strengthened glass
Y9s
-
OS
Y21d
Android 15, Funtouch 15
Y9s
Android 9.0 (Pie), Funtouch 9
Chipset
Y21d
Unisoc T7225 (12 nm)
Y9s
Qualcomm SDM665 Snapdragon 665 (11 nm)
CPU
Y21d
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
Y9s
Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU
Y21d
Mali-G52 MP1
Y9s
Adreno 610
Card slot
Y21d
microSDXC (dedicated slot)
Y9s
microSDXC (uses shared SIM slot)
Internal
Y21d
128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM
Y9s
128GB 8GB RAM
Other
Y21d
eMMC 5.1
Y9s
-
Single
Y21d
50 MP, f/1.8, (wide), PDAF Auxiliary lens
Y9s
-
Features
Y21d
Ring-LED flash, panorama
Y9s
LED flash, HDR, panorama
Video
Y21d
1080p@30fps
Y9s
1080p@30fps
Quad
Y21d
-
Y9s
48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm 2 MP (macro) Auxiliary lens
Single
Y21d
5 MP, f/2.2
Y9s
32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
Video
Y21d
Yes
Y9s
1080p@30fps
Features
Y21d
-
Y9s
HDR
Loudspeaker
Y21d
Yes, with stereo speakers
Y9s
Yes
3.5mm jack
Y21d
No
Y9s
Yes
Other
Y21d
24-bit/192kHz Hi-Res audio
Y9s
-
WLAN
Y21d
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Y9s
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
Y21d
5.2, A2DP, LE
Y9s
5.0, A2DP, LE
Positioning
Y21d
GPS, GLONASS, GALILEO, BDS, QZSS
Y9s
GPS, GLONASS, BDS
NFC
Y21d
No
Y9s
No
Radio
Y21d
FM radio
Y9s
FM radio
USB
Y21d
USB Type-C 2.0, OTG
Y9s
USB Type-C 2.0, OTG
Sensors
Y21d
Fingerprint (side-mounted), accelerometer, proximity, compass
Y9s
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
Y21d
Si/C Li-Ion 6500 mAh
Y9s
4500 mAh, non-removable
Charging
Y21d
44W wired, 50% in 40 min Reverse wired
Y9s
18W wired
Colors
Y21d
Lavender Purple, Black
Y9s
Fancy Sky, Knight Black, Nebula Blue
Price
Y21d
About 100 EUR
Y9s
About 260 EUR
Models
Y21d
-
Y9s
V1945A, V1945T