Screen size
Y500iWinner: 6.8"+3.3%
Y51s6.5"
Quick verdict
Y500i leads the measured specs 12-6.
Measured wins
Y500i
12
spec wins
Overall winner
Ties
4
equal specs
Y51s
6
spec wins
Screen size
Technology
Y500i
GSM / CDMA / HSPA / LTE / 5G
Y51s
GSM / CDMA / HSPA / LTE / 5G
2G bands
Y500i
GSM 850 / 900 / 1800 / 1900 , CDMA 800
Y51s
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900 & TD-SCDMA
3G bands
Y500i
HSDPA 850 / 900 / 2100
Y51s
HSDPA 850 / 900 / 1700(AWS) / 2100
4G bands
Y500i
1, 3, 5, 8, 28, 34, 38, 39, 40, 41
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
USB
equal specs5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
Y51s
1, 3, 4, 5, 8, 34, 38, 39, 40, 41
5G bands
Y500i
1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
Y51s
1, 41, 78 SA/NSA
Speed
Y500i
HSPA, LTE, 5G
Y51s
HSPA, LTE, 5G (3.6+ Gbps DL)
Announced
Y500i
2026, January 12
Y51s
2020, July 24. Released 2020, July 29
Status
Y500i
Available. Released 2026, January 16
Y51s
Discontinued
Dimensions
Y500i
166.6 x 78.4 x 8.4 mm (6.56 x 3.09 x 0.33 in)
Y51s
162 x 76.6 x 8.5 mm (6.38 x 3.02 x 0.33 in)
Weight
Y500i
219 g (7.72 oz)
Y51s
190 g (6.70 oz)
Build
Y500i
Glass front, plastic frame, plastic back
Y51s
-
SIM
Y500i
Nano-SIM + Nano-SIM
Y51s
Nano-SIM + Nano-SIM
Other
Y500i
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
Y51s
-
Type
Y500i
IPS LCD, 120Hz, 1000 nits (HBM), 1200 nits (peak)
Y51s
IPS LCD
Size
Y500i
6.75 inches, 111.4 cm2 (~85.3% screen-to-body ratio)
Y51s
6.53 inches, 104.7 cm2 (~84.4% screen-to-body ratio)
Resolution
Y500i
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
Y51s
1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density)
OS
Y500i
Android 16, OriginOS 6
Y51s
Android 10, Funtouch 10.5
Chipset
Y500i
Qualcomm SM4450 Snapdragon 4 Gen 2 (4 nm)
Y51s
Exynos 880 (8 nm)
CPU
Y500i
Octa-core (2x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55)
Y51s
Octa-core (2x2.0 GHz Cortex-A77 & 6x1.8 GHz Cortex-A55)
GPU
Y500i
Adreno 613
Y51s
Mali-G76 MP5
Card slot
Y500i
No
Y51s
No
Internal
Y500i
128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 8GB RAM, 512GB 12GB RAM
Y51s
128GB 6GB RAM, 128GB 8GB RAM
Other
Y500i
UFS 3.1
Y51s
UFS 2.1
Single
Y500i
50 MP, f/1.8, (wide), PDAF
Y51s
-
Features
Y500i
LED flash, HDR, panorama
Y51s
LED flash, HDR, panorama
Video
Y500i
1080p@30fps
Y51s
4K@30fps, 1080p@30fps; gyro-EIS
Triple
Y500i
-
Y51s
48 MP, f/1.8, 25mm (wide), 1/2.0", 0.8µm, PDAF 2 MP (macro) Auxiliary lens
Single
Y500i
5 MP, f/2.0, (wide)
Y51s
8 MP, f/2.0, (wide)
Video
Y500i
1080p@30fps
Y51s
1080p@30fps
Features
Y500i
-
Y51s
HDR
Loudspeaker
Y500i
Yes, with stereo speakers
Y51s
Yes
3.5mm jack
Y500i
No
Y51s
Yes
WLAN
Y500i
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Y51s
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
Y500i
4.2, A2DP, aptX Adaptive
Y51s
5.0, A2DP, LE, aptX HD
Positioning
Y500i
GPS, GALILEO, GLONASS, BDS, QZSS
Y51s
GPS, GLONASS, BDS, GALILEO
NFC
Y500i
Yes
Y51s
No
Infrared port
Y500i
Yes
Y51s
-
Radio
Y500i
No
Y51s
No
USB
Y500i
USB Type-C 2.0, OTG
Y51s
microUSB 2.0, OTG
Sensors
Y500i
Fingerprint (side-mounted), accelerometer, proximity, compass
Y51s
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
Y500i
Si/C Li-Ion 7200 mAh
Y51s
4500 mAh
Charging
Y500i
44W wired Reverse wired
Y51s
18W wired
Colors
Y500i
Black, Silver, Gold
Y51s
Black, Blue, White
Models
Y500i
V2531A
Y51s
V2002A
Price
Y500i
About 180 EUR
Y51s
About 250 EUR