Lava X50 vs Yezz Billy 4.7: specs comparison

Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

Width

Billy 4.7: 4.3 mm narrower

X50:

71.5 mm

Billy 4.7:

67.2 mm
Screen diagonal

Billy 4.7: 0.3 in smaller diagonal

X50:

5 in

Billy 4.7:

4.7 in
Memory variants

At 8 GB storage

X50:

2 GB RAM

Billy 4.7:

1 GB RAM
Depth

Billy 4.7: 1.3 mm thinner

X50:

8.5 mm

Billy 4.7:

7.2 mm
Height

Billy 4.7: 7.2 mm shorter

X50:

143 mm

Billy 4.7:

135.8 mm
Release year

X50:

2016

Billy 4.7:

2014

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

1. X50

Height:

143 mm +7.2 mm versus Billy 4.7
Width:

71.5 mm +4.3 mm versus Billy 4.7
Depth:

8.5 mm +1.3 mm versus Billy 4.7

Weight:

Unknown
2. Billy 4.7

Height:

135.8 mm
Width:

67.2 mm
Depth:

7.2 mm

Weight:

120 g

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

1. X50

Screen diagonal:

5 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

68.9 cm²
2. Billy 4.7

Screen diagonal:

4.7 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

60.9 cm²

X50 has approximately 13.2% more rectangular screen area than Billy 4.7.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

Recorded RAM for X50, Billy 4.7, compared at the same storage capacity.
Storage	X50	Billy 4.7
8 GB Recorded for all phones	2 GB RAM	1 GB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. X50

NFC:: Unknown
Headphone jack:: Yes
Memory card support:: See details microSD · up to 32 GB

2. Billy 4.7

NFC:: Unknown
Headphone jack:: Yes
Memory card support:: See details microSD · up to 256 GB

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

1. X50

2500 mAh

+720 mAh versus Billy 4.7
2. Billy 4.7

1780 mAh

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. X502. Billy 4.7

Everyday essentials

Everyday essentials — specifications for X50, Billy 4.7.
Specification	X50	Billy 4.7
Dimensions (HxWxD)	143 Х 71.5 Х 8.5 mm	135.8 Х 67.2 Х 7.2 mm
Weight	0 g	120 g
Technology	IPS LCD	IPS LCD
Screen size	5" inch	4.7" inch
Screen resolution	720 x 1280 px	720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	8 GB 2 GB RAM	8 GB 1 GB RAM
Memory card support	microSD up to 32 GB	microSD up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.	2500 mAh Li-Po	1780 mAh Removable Li-Ion
Operating system OS	Android 5.1 (Lollipop) upgradable to 6.0.1 (Marshmallow)	Microsoft Windows Phone 8.1
Chipset	Unknown	Qualcomm MSM8212 Snapdragon 200 (28 nm)
Headphone jack	Yes	Yes

Display

Display — specifications for X50, Billy 4.7.
Specification	X50	Billy 4.7
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	68.9 cm2	60.9 cm2
Screen format	16:9 (height:width)	16:9 (height:width)
Screen to body ratio	67.4%	66.7%
PPI /points per inch/	294 PPI	312 PPI
Screen protection	Unknown	Asahi Dragontrail Glass

Camera and Video

Camera and Video — specifications for X50, Billy 4.7.
Specification	X50	Billy 4.7
Rear camera, main	8 MP Single	8 MP Single
Camera specs	8 MP	8 MP AF
Functions	LED flash	LED flash panorama HDR
Video	1080p@30fps	720p@30fps
Front camera, selfie	5 MP Single	2 MP Single
Specifications	5 MP	2 MP

Performance

Performance — specifications for X50, Billy 4.7.
Specification	X50	Billy 4.7
Processor CPU	Quad-core 1.3 GHz	Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU	Unknown	Adreno 302

General specs

General specs — specifications for X50, Billy 4.7.
Specification	X50	Billy 4.7
Release date	2016 June	2014 May
Colors	Black	White Red Blue
Battery life	Unknown	Stand by time- Up to 480 h (2G) / Up to 350 h (3G) Talking time- Up to 16 h (2G) / Up to 7 h 30 min (3G)

Communication and Connectivity

Communication and Connectivity — specifications for X50, Billy 4.7.
Specification	X50	Billy 4.7
SIM card	Dual SIM	Dual SIM (Micro-SIM)
Network	Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 3(1800) 5(850) 40(2300)	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed	HSPA LTE Cat4 150/50 Mbps	HSPA 42.2/5.76 Mbps
GPRS	Yes	Class 12
Edge	Yes	Class 12
Wi-Fi	Wi-Fi 802.11 b/g/n hotspot	Wi-Fi 802.11 a/b/g/n dual-band hotspot
GPS	Yes with A-GPS	Yes with A-GPS GLONASS
USB	microUSB 2.0	microUSB 2.0
Bluetooth	4.0 A2DP	4.0 A2DP

Music and Audio

Music and Audio — specifications for X50, Billy 4.7.
Specification	X50	Billy 4.7
Radio	FM radio	Stereo FM radio

Other features

Other features — specifications for X50, Billy 4.7.
Specification	X50	Billy 4.7
Dop	Sensors Accelerometer For India	Sensors Accelerometer proximity compass - Single SIM: CWP 47 Dual SIM: WP 47

Lava X50 vs Yezz Billy 4.7

Lava X50

Yezz Billy 4.7

Key differences

Width

Screen diagonal

Memory variants

Depth

Height

Release year

Physical size

1. X50

2. Billy 4.7

Screen size

1. X50

2. Billy 4.7

Memory variants

Practical features

1. X50

2. Billy 4.7

Battery capacity

Recorded battery capacity

1. X50

2. Billy 4.7

Specifications

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