Screen size
WIMWinner: 5.5"+0.9%
Y515.5"
Quick verdict
WIM leads the measured specs 12-0.
Measured wins
WIM
12
spec wins
Overall winner
Ties
6
equal specs
Y51
0
spec wins
Screen size
Technology
WIM
GSM / HSPA / LTE
Y51
GSM / HSPA
2G bands
WIM
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Y51
GSM 850 / 900 / 1800 / 1900
3G bands
WIM
HSDPA 850 / 900 / 1900 / 2100
Y51
HSDPA 850 / 900 / 1900 / 2100
4G bands
WIM
1, 2, 3, 5, 7, 8, 12, 17, 20, 28, 38, 40
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Y51
-
Speed
WIM
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Y51
HSPA 42.2/5.76 Mbps
Announced
WIM
2017, February. Released 2017, February
Y51
2021, January 14
Status
WIM
Discontinued
Y51
Available. Released 2021, January 14
Dimensions
WIM
156.2 x 75.3 x 7.9 mm (6.15 x 2.96 x 0.31 in)
Y51
146.6 x 72.3 x 9 mm (5.77 x 2.85 x 0.35 in)
Weight
WIM
160 g (5.64 oz)
Y51
175 g (6.17 oz)
SIM
WIM
Nano-SIM + Nano-SIM
Y51
Nano-SIM + Micro-SIM
Type
WIM
AMOLED
Y51
TN LCD
Size
WIM
5.5 inches, 83.4 cm2 (~70.9% screen-to-body ratio)
Y51
5.45 inches, 76.7 cm2 (~72.3% screen-to-body ratio)
Resolution
WIM
1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Y51
480 x 960 pixels, 18:9 ratio (~197 ppi density)
Protection
WIM
Corning Gorilla Glass 3
Y51
-
OS
WIM
Android 7.1 (Nougat)
Y51
Android 10 (Go edition)
Chipset
WIM
Qualcomm MSM8953-Pro Snapdragon 626 (14 nm)
Y51
-
CPU
WIM
Octa-core 2.2 GHz Cortex-A53
Y51
Quad-core 1.3 GHz Cortex-A7
GPU
WIM
Adreno 506
Y51
Mali-T820 MP1
Card slot
WIM
microSDXC
Y51
microSDXC
Internal
WIM
64GB 4GB RAM
Y51
8GB 1GB RAM, 16GB 1GB RAM
Other
WIM
eMMC 5.1
Y51
-
Single
WIM
13 MP, f/2.0, PDAF 13 MP B/W
Y51
5 MP
Features
WIM
Dual-LED dual-tone flash, panorama, HDR
Y51
LED flash, HDR
Video
WIM
4K@30fps, 1080p@30fps
Y51
720p@30fps
Single
WIM
16 MP, f/2.2, 26mm (wide), 1/3.06", 1.0µm
Y51
5 MP
Features
WIM
LED flash
Y51
-
Video
WIM
1080p@30fps
Y51
Loudspeaker
WIM
Yes
Y51
Yes
3.5mm jack
WIM
Yes
Y51
Yes
WLAN
WIM
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Y51
Wi-Fi 802.11 b/g/n
Bluetooth
WIM
4.2, A2DP, LE
Y51
4.2, A2DP
Positioning
WIM
GPS, GLONASS, BDS, GALILEO
Y51
GPS
NFC
WIM
No
Y51
No
Radio
WIM
Stereo FM radio
Y51
FM Radio
USB
WIM
microUSB 2.0, OTG
Y51
microUSB 2.0
Sensors
WIM
Fingerprint (front-mounted), accelerometer, gyro, proximity, compass
Y51
Accelerometer, proximity
Type
WIM
Li-Po 3200 mAh, non-removable
Y51
Li-Ion 2500 mAh, removable
Charging
WIM
18W wired, QC3
Y51
-
Colors
WIM
Black, Gold, Deep Bleen
Y51
Deep Grey, Gold, Mint
SAR EU
WIM
1.49 W/kg (head) 1.25 W/kg (body)
Y51
-
Models
WIM
-
Y51
W-K211-TH
SAR
WIM
-
Y51
0.70 W/kg (head) 1.55 W/kg (body)
Price
WIM
-
Y51
About 70 EUR