Screen size
Y500iWinner: 6.8"+5.5%
Y51 (2020, September)6.4"
Quick verdict
Y500i leads the measured specs 13-7.
Measured wins
Y500i
13
spec wins
Overall winner
Ties
2
equal specs
Y51 (2020, September)
7
spec wins
Screen size
Technology
Y500i
GSM / CDMA / HSPA / LTE / 5G
Y51 (2020, September)
GSM / HSPA / LTE
2G bands
Y500i
GSM 850 / 900 / 1800 / 1900 , CDMA 800
Y51 (2020, September)
GSM 850 / 900 / 1800 / 1900
3G bands
Y500i
HSDPA 850 / 900 / 2100
Y51 (2020, September)
HSDPA 850 / 900 / 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
NFC
3.5mm jack
SD card
Stereo speakers
Y51 (2020, September)
1, 3, 5, 8, 40
5G bands
Y500i
1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
Y51 (2020, September)
-
Speed
Y500i
HSPA, LTE, 5G
Y51 (2020, September)
HSPA, LTE
Announced
Y500i
2026, January 12
Y51 (2020, September)
2020, September 15. Released 2020, September 19
Status
Y500i
Available. Released 2026, January 16
Y51 (2020, September)
Discontinued
Dimensions
Y500i
166.6 x 78.4 x 8.4 mm (6.56 x 3.09 x 0.33 in)
Y51 (2020, September)
159.3 x 75.2 x 8.7 mm (6.27 x 2.96 x 0.34 in)
Weight
Y500i
219 g (7.72 oz)
Y51 (2020, September)
186.7 g (6.60 oz)
Build
Y500i
Glass front, plastic frame, plastic back
Y51 (2020, September)
-
SIM
Y500i
Nano-SIM + Nano-SIM
Y51 (2020, September)
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)
Y51 (2020, September)
-
Type
Y500i
IPS LCD, 120Hz, 1000 nits (HBM), 1200 nits (peak)
Y51 (2020, September)
Super AMOLED
Size
Y500i
6.75 inches, 111.4 cm2 (~85.3% screen-to-body ratio)
Y51 (2020, September)
6.38 inches, 99.9 cm2 (~83.4% screen-to-body ratio)
Resolution
Y500i
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
Y51 (2020, September)
1080 x 2340 pixels, 19.5:9 ratio (~404 ppi density)
OS
Y500i
Android 16, OriginOS 6
Y51 (2020, September)
Android 10, Funtouch 10
Chipset
Y500i
Qualcomm SM4450 Snapdragon 4 Gen 2 (4 nm)
Y51 (2020, September)
Qualcomm SDM665 Snapdragon 665 (11 nm)
CPU
Y500i
Octa-core (2x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55)
Y51 (2020, September)
Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU
Y500i
Adreno 613
Y51 (2020, September)
Adreno 610
Card slot
Y500i
No
Y51 (2020, September)
microSDXC (uses shared SIM slot)
Internal
Y500i
128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 8GB RAM, 512GB 12GB RAM
Y51 (2020, September)
128GB 4GB RAM
Other
Y500i
UFS 3.1
Y51 (2020, September)
-
Single
Y500i
50 MP, f/1.8, (wide), PDAF
Y51 (2020, September)
-
Features
Y500i
LED flash, HDR, panorama
Y51 (2020, September)
LED flash, HDR, panorama
Video
Y500i
1080p@30fps
Y51 (2020, September)
1080p@30fps, gyro-EIS
Quad
Y500i
-
Y51 (2020, September)
48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 120˚, (ultrawide), 1/4.0", 1.12µm 2 MP (macro) Auxiliary lens
Single
Y500i
5 MP, f/2.0, (wide)
Y51 (2020, September)
16 MP, f/2.0, (wide), 1/3.06" 1.0µm
Video
Y500i
1080p@30fps
Y51 (2020, September)
1080p@30fps
Features
Y500i
-
Y51 (2020, September)
HDR
Loudspeaker
Y500i
Yes, with stereo speakers
Y51 (2020, September)
Yes
3.5mm jack
Y500i
No
Y51 (2020, September)
Yes
WLAN
Y500i
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Y51 (2020, September)
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
Y500i
4.2, A2DP, aptX Adaptive
Y51 (2020, September)
5.0, A2DP, LE
Positioning
Y500i
GPS, GALILEO, GLONASS, BDS, QZSS
Y51 (2020, September)
GPS, GLONASS, GALILEO, BDS
NFC
Y500i
Yes
Y51 (2020, September)
No
Infrared port
Y500i
Yes
Y51 (2020, September)
-
Radio
Y500i
No
Y51 (2020, September)
FM radio
USB
Y500i
USB Type-C 2.0, OTG
Y51 (2020, September)
USB Type-C 2.0, OTG
Sensors
Y500i
Fingerprint (side-mounted), accelerometer, proximity, compass
Y51 (2020, September)
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
Y500i
Si/C Li-Ion 7200 mAh
Y51 (2020, September)
4500 mAh
Charging
Y500i
44W wired Reverse wired
Y51 (2020, September)
18W wired
Colors
Y500i
Black, Silver, Gold
Y51 (2020, September)
Mystic Black, Jazzy Blue, Dreamy White
Models
Y500i
V2531A
Y51 (2020, September)
-
Price
Y500i
About 180 EUR
Y51 (2020, September)
About 180 EUR