Screen size
T4xWinner: 6.7"+0.6%
Y21d6.7"
Quick verdict
T4x leads the measured specs 12-3.
Measured wins
T4x
12
spec wins
Overall winner
Ties
8
equal specs
Y21d
3
spec wins
Screen size
Technology
T4x
GSM / HSPA / LTE / 5G
Y21d
GSM / HSPA / LTE
2G bands
T4x
GSM 850 / 900 / 1800 / 1900
Y21d
GSM 850 / 900 / 1800 / 1900
3G bands
T4x
HSDPA 850 / 900 / 2100
Y21d
HSDPA 850 / 900 / 2100
4G bands
T4x
1, 3, 5, 8, 20, 28, 38, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
equal specsMain camera
equal specsFront camera
Battery
equal specsWired charging
equal specsWeight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
NFC
equal specs3.5mm jack
equal specsSD card
Stereo speakers
equal specsY21d
1, 3, 5, 8, 40
5G bands
T4x
SA/NSA
Y21d
-
Speed
T4x
HSPA, LTE, 5G
Y21d
HSPA, LTE
Announced
T4x
2025, March 05
Y21d
2025, October 11
Status
T4x
Available. Released 2025, March 12
Y21d
Available. Released 2025, October
Dimensions
T4x
165.7 x 76.3 x 8.1 mm (6.52 x 3.00 x 0.32 in)
Y21d
166.1 x 77 x 8.4 mm (6.54 x 3.03 x 0.33 in)
Weight
T4x
204 g or 208 g (7.20 oz)
Y21d
209 g (7.37 oz)
Build
T4x
Glass front, plastic back, plastic frame
Y21d
Glass front, plastic back, plastic frame
SIM
T4x
Nano-SIM + Nano-SIM
Y21d
Nano-SIM + Nano-SIM
Other
T4x
IP64 dust tight and water resistant (water splashes) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions
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
Type
T4x
IPS LCD, 120Hz, 1050 nits (HBM)
Y21d
IPS LCD, 90Hz, 1000 nits (HBM)
Size
T4x
6.72 inches, 108.8 cm2 (~86.0% screen-to-body ratio)
Y21d
6.68 inches, 107.4 cm2 (~84.0% screen-to-body ratio)
Resolution
T4x
1080 x 2408 pixels, 20:9 ratio (~393 ppi density)
Y21d
720 x 1608 pixels, 20:9 ratio (~264 ppi density)
Protection
T4x
-
Y21d
Ion strengthened glass
OS
T4x
Android 15, Funtouch 15
Y21d
Android 15, Funtouch 15
Chipset
T4x
Mediatek Dimensity 7300 (4 nm)
Y21d
Unisoc T7225 (12 nm)
CPU
T4x
Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
Y21d
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU
T4x
Mali-G615 MC2
Y21d
Mali-G52 MP1
Card slot
T4x
No
Y21d
microSDXC (dedicated slot)
Internal
T4x
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Y21d
128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM
Other
T4x
UFS 3.1
Y21d
eMMC 5.1
Dual
T4x
50 MP, f/1.8, (wide), PDAF Auxiliary lens
Y21d
-
Features
T4x
Ring-LED flash, panorama
Y21d
Ring-LED flash, panorama
Video
T4x
4K@30fps, 1080p@30fps
Y21d
1080p@30fps
Single
T4x
-
Y21d
50 MP, f/1.8, (wide), PDAF Auxiliary lens
Single
T4x
8 MP, f/2.1, (wide)
Y21d
5 MP, f/2.2
Video
T4x
1080p@30fps
Y21d
Yes
Loudspeaker
T4x
Yes, with stereo speakers
Y21d
Yes, with stereo speakers
3.5mm jack
T4x
No
Y21d
No
Other
T4x
-
Y21d
24-bit/192kHz Hi-Res audio
WLAN
T4x
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band
Y21d
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
T4x
5.4, A2DP, LE
Y21d
5.2, A2DP, LE
Positioning
T4x
GPS, GLONASS, GALILEO, BDS, QZSS
Y21d
GPS, GLONASS, GALILEO, BDS, QZSS
NFC
T4x
No
Y21d
No
Infrared port
T4x
Yes
Y21d
-
Radio
T4x
No
Y21d
FM radio
USB
T4x
USB Type-C 2.0, OTG
Y21d
USB Type-C 2.0, OTG
Sensors
T4x
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Y21d
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
T4x
Li-Ion 6500 mAh
Y21d
Si/C Li-Ion 6500 mAh
Charging
T4x
44W wired, 50% in 40 min Reverse wired
Y21d
44W wired, 50% in 40 min Reverse wired
Colors
T4x
Pronto Purple, Marine Blue
Y21d
Lavender Purple, Black
Models
T4x
V2437
Y21d
-
Price
T4x
₹ 15,499
Y21d
About 100 EUR