Screen size
Y400 4G6.7"
Y500iWinner: 6.8"+1.2%
Quick verdict
Y400 4G leads the measured specs 8-3.
Measured wins
Y400 4G
8
spec wins
Overall winner
Ties
11
equal specs
Y500i
3
spec wins
Screen size
Technology
Y400 4G
GSM / HSPA / LTE
Y500i
GSM / CDMA / HSPA / LTE / 5G
2G bands
Y400 4G
GSM 850 / 900 / 1800 / 1900
Y500i
GSM 850 / 900 / 1800 / 1900 , CDMA 800
3G bands
Y400 4G
HSDPA 850 / 900 / 2100
Y500i
HSDPA 850 / 900 / 2100
4G bands
Y400 4G
1, 3, 5, 7, 8, 20, 28, 38, 40, 41
Resolution
Refresh rate
equal specsPeak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
equal specsFront camera
Battery
Wired charging
equal specsWeight
Thickness
IP rating
equal specsWi‑Fi
Bluetooth
USB
equal specs5G support
NFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
equal specsY500i
1, 3, 5, 8, 28, 34, 38, 39, 40, 41
Speed
Y400 4G
HSPA, LTE
Y500i
HSPA, LTE, 5G
5G bands
Y400 4G
-
Y500i
1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
Announced
Y400 4G
2025, July 28
Y500i
2026, January 12
Status
Y400 4G
Available. Released 2025, July 28
Y500i
Available. Released 2026, January 16
Dimensions
Y400 4G
162.3 x 75.3 x 7.9 mm (6.39 x 2.96 x 0.31 in)
Y500i
166.6 x 78.4 x 8.4 mm (6.56 x 3.09 x 0.33 in)
Weight
Y400 4G
196 g or 198 g (6.91 oz)
Y500i
219 g (7.72 oz)
Build
Y400 4G
Glass front, plastic back, plastic frame
Y500i
Glass front, plastic frame, plastic back
SIM
Y400 4G
Nano-SIM + Nano-SIM
Y500i
Nano-SIM + Nano-SIM
Other
Y400 4G
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 2m for 30 min) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions
Y500i
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
Type
Y400 4G
AMOLED, 120Hz, 1200 nits (HBM), 1800 nits (peak)
Y500i
IPS LCD, 120Hz, 1000 nits (HBM), 1200 nits (peak)
Size
Y400 4G
6.67 inches, 107.4 cm2 (~87.9% screen-to-body ratio)
Y500i
6.75 inches, 111.4 cm2 (~85.3% screen-to-body ratio)
Resolution
Y400 4G
1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
Y500i
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
OS
Y400 4G
Android 15, Funtouch 15
Y500i
Android 16, OriginOS 6
Chipset
Y400 4G
Qualcomm SM6225 Snapdragon 685 (6 nm)
Y500i
Qualcomm SM4450 Snapdragon 4 Gen 2 (4 nm)
CPU
Y400 4G
Octa-core (4x2.8 GHz Cortex-A73 & 4x1.9 GHz Cortex-A53)
Y500i
Octa-core (2x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55)
GPU
Y400 4G
Adreno 610
Y500i
Adreno 613
Card slot
Y400 4G
No
Y500i
No
Internal
Y400 4G
128GB 8GB RAM, 256GB 8GB RAM
Y500i
128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 8GB RAM, 512GB 12GB RAM
Other
Y400 4G
UFS 2.2
Y500i
UFS 3.1
Dual
Y400 4G
50 MP, f/1.8, (wide), 1/2.96", PDAF Auxiliary lens
Y500i
-
Features
Y400 4G
Ring-LED flash, panorama, HDR
Y500i
LED flash, HDR, panorama
Video
Y400 4G
1080p@30fps
Y500i
1080p@30fps
Single
Y400 4G
-
Y500i
50 MP, f/1.8, (wide), PDAF
Single
Y400 4G
8 MP, f/2.1, (wide)
Y500i
5 MP, f/2.0, (wide)
Video
Y400 4G
1080p@30fps
Y500i
1080p@30fps
Loudspeaker
Y400 4G
Yes, with stereo speakers
Y500i
Yes, with stereo speakers
3.5mm jack
Y400 4G
No
Y500i
No
Other
Y400 4G
24-bit/192kHz Hi-Res audio
Y500i
-
WLAN
Y400 4G
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Y500i
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
Y400 4G
5.0, A2DP, LE
Y500i
4.2, A2DP, aptX Adaptive
Positioning
Y400 4G
GPS, GLONASS, GALILEO, BDS, QZSS
Y500i
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
Y400 4G
Yes (market/region dependent)
Y500i
Yes
Radio
Y400 4G
No
Y500i
No
USB
Y400 4G
USB Type-C 2.0, OTG
Y500i
USB Type-C 2.0, OTG
Infrared port
Y400 4G
-
Y500i
Yes
Sensors
Y400 4G
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Y500i
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
Y400 4G
Si/C Li-Ion 6000 mAh
Y500i
Si/C Li-Ion 7200 mAh
Charging
Y400 4G
44W wired Reverse wired
Y500i
44W wired Reverse wired
Colors
Y400 4G
Purple Twilight, Tropical Green (Dynamic Green), Pearl White
Y500i
Black, Silver, Gold
Models
Y400 4G
I2502
Y500i
V2531A
Price
Y400 4G
About 200 EUR
Y500i
About 180 EUR