Screen size
Fever 4G5.2"
Y51Winner: 5.5"+4.6%
Quick verdict
Fever 4G leads the measured specs 9-2.
Measured wins
Fever 4G
9
spec wins
Overall winner
Ties
7
equal specs
Y51
2
spec wins
Screen size
Technology
Fever 4G
GSM / HSPA / LTE
Y51
GSM / HSPA
2G bands
Fever 4G
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Y51
GSM 850 / 900 / 1800 / 1900
3G bands
Fever 4G
HSDPA 900 / 1900 / 2100
Y51
HSDPA 850 / 900 / 1900 / 2100
4G bands
Fever 4G
1, 3, 7, 20
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
Storage
Main camera
Front camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Y51
-
Speed
Fever 4G
HSPA 21.1/11.5 Mbps, LTE Cat4 150/50 Mbps
Y51
HSPA 42.2/5.76 Mbps
Announced
Fever 4G
2015, September. Released 2015, November
Y51
2021, January 14
Status
Fever 4G
Discontinued
Y51
Available. Released 2021, January 14
Dimensions
Fever 4G
148 x 73.8 x 8.3 mm (5.83 x 2.91 x 0.33 in)
Y51
146.6 x 72.3 x 9 mm (5.77 x 2.85 x 0.35 in)
Weight
Fever 4G
143 g (5.04 oz)
Y51
175 g (6.17 oz)
SIM
Fever 4G
Dual SIM (Micro-SIM, dual stand-by)
Y51
Nano-SIM + Micro-SIM
Type
Fever 4G
IPS LCD
Y51
TN LCD
Size
Fever 4G
5.2 inches, 74.5 cm2 (~68.2% screen-to-body ratio)
Y51
5.45 inches, 76.7 cm2 (~72.3% screen-to-body ratio)
Resolution
Fever 4G
1080 x 1920 pixels, 16:9 ratio (~424 ppi density)
Y51
480 x 960 pixels, 18:9 ratio (~197 ppi density)
Protection
Fever 4G
Corning Gorilla Glass 3
Y51
-
OS
Fever 4G
Android 5.1 (Lollipop)
Y51
Android 10 (Go edition)
Chipset
Fever 4G
Mediatek MT6753 (28 nm)
Y51
-
CPU
Fever 4G
Octa-core 1.3 GHz Cortex-A53
Y51
Quad-core 1.3 GHz Cortex-A7
GPU
Fever 4G
Mali-T720MP3
Y51
Mali-T820 MP1
Card slot
Fever 4G
microSDXC
Y51
microSDXC
Internal
Fever 4G
16GB 2GB RAM, 16GB 3GB RAM
Y51
8GB 1GB RAM, 16GB 1GB RAM
Single
Fever 4G
13 MP, AF
Y51
5 MP
Features
Fever 4G
LED flash, panorama, HDR
Y51
LED flash, HDR
Video
Fever 4G
1080p@30fps
Y51
720p@30fps
Single
Fever 4G
5 MP
Y51
5 MP
Features
Fever 4G
LED flash
Y51
-
Video
Fever 4G
Y51
Loudspeaker
Fever 4G
Yes, with stereo speakers
Y51
Yes
3.5mm jack
Fever 4G
Yes
Y51
Yes
WLAN
Fever 4G
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Y51
Wi-Fi 802.11 b/g/n
Bluetooth
Fever 4G
4.0, A2DP
Y51
4.2, A2DP
Positioning
Fever 4G
GPS
Y51
GPS
NFC
Fever 4G
No
Y51
No
Radio
Fever 4G
FM radio
Y51
FM Radio
USB
Fever 4G
microUSB 2.0, OTG
Y51
microUSB 2.0
Sensors
Fever 4G
Accelerometer, gyro, proximity
Y51
Accelerometer, proximity
Type
Fever 4G
Li-Po 2900 mAh, non-removable
Y51
Li-Ion 2500 mAh, removable
Stand-by
Fever 4G
Up to 216 h (2G) / Up to 216 h (3G)
Y51
-
Talk time
Fever 4G
Up to 21 h 40 min (2G) / Up to 16 h 10 min (3G)
Y51
-
Colors
Fever 4G
White/Gold, Black/Gold, Black/Grey
Y51
Deep Grey, Gold, Mint
SAR EU
Fever 4G
0.24 W/kg (head) 0.57 W/kg (body)
Y51
-
Models
Fever 4G
-
Y51
W-K211-TH
SAR
Fever 4G
-
Y51
0.70 W/kg (head) 1.55 W/kg (body)
Price
Fever 4G
-
Y51
About 70 EUR