Energizer Energy E551S vs Vodafone Smart 4: 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.

Screen diagonal

Smart 4: 1 in smaller diagonal

Energy E551S:

5.5 in

Smart 4:

4.5 in
Chipset

Energy E551S:

Mediatek MT6737M (28 nm)

Smart 4:

Qualcomm MSM8210 Snapdragon 200 (28 nm)
Release year

Energy E551S:

2019

Smart 4:

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. Energy E551S

Height:

Unknown
Width:

Unknown
Depth:

Unknown

Weight:

Unknown

Unavailable dimensions are omitted from the drawing.
2. Smart 4

Height:

134.7 mm
Width:

66 mm
Depth:

10.6 mm

Weight:

152 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. Energy E551S

Screen diagonal:

5.5 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

83.4 cm²
2. Smart 4

Screen diagonal:

4.5 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

55.8 cm²

Energy E551S has approximately 49.4% more rectangular screen area than Smart 4.

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 Energy E551S, Smart 4, compared at the same storage capacity.
Storage	Energy E551S	Smart 4
8 GB	1 GB RAM	Unknown

Smart 4: Original memory entry

4 GB · 512 MB 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. Energy E551S

NFC:: Unknown
Headphone jack:: Yes
Memory card support:: See details microSD · up to 64 GB (uses SIM 2 slot)

2. Smart 4

NFC:: See details Yes (optional)
Headphone jack:: Yes
Memory card support:: See details microSD · up to 32 GB (dedicated slot)

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. Energy E551S

2500 mAh

+620 mAh versus Smart 4
2. Smart 4

1880 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. Energy E551S2. Smart 4

Everyday essentials

Everyday essentials — specifications for Energy E551S, Smart 4.
Specification	Energy E551S	Smart 4
Dimensions (HxWxD)	Х Х mm	134.7 Х 66 Х 10.6 mm
Weight	0 g	152 g
Technology	TFT	TFT
Screen size	5.5" inch	4.5" inch
Screen resolution	480 x 854 px	480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	8 GB 1 GB RAM	4 GB 512 MB RAM
Memory card support	microSD up to 64 GB (uses SIM 2 slot)	microSD up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.	2500 mAh Li-Ion	1880 mAh Removable Li-Ion
Operating system OS	Android 8.0 Oreo (Go edition)	Android 4.4.2 (KitKat)
Chipset	Mediatek MT6737M (28 nm)	Qualcomm MSM8210 Snapdragon 200 (28 nm)
NFC	Unknown	Yes (optional)
Headphone jack	Yes	Yes

Display

Display — specifications for Energy E551S, Smart 4.
Specification	Energy E551S	Smart 4
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	Unknown
Screen area	83.4 cm2	55.8 cm2
Screen format	16:9 (height:width)	16:9 (height:width)
Screen to body ratio	Unknown	62.8%
PPI /points per inch/	178 PPI	218 PPI

Camera and Video

Camera and Video — specifications for Energy E551S, Smart 4.
Specification	Energy E551S	Smart 4
Rear camera, main	8 MP Single	5 MP Single
Camera specs	8 MP	5 MP
Functions	LED flash	LED flash
Video	720p@30fps	Yes
Front camera, selfie	5 MP Single	0.3 MP Single
Specifications	5 MP	Unknown

Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for Energy E551S, Smart 4.
Specification	Energy E551S	Smart 4
Processor CPU	Quad-core 1.3 GHz Cortex-A53	Dual-core 1.2 GHz Cortex-A7
Graphics processor GPU	Mali-T720MP2	Adreno 302
Antutu 7 score *	300123	8302

General specs

General specs — specifications for Energy E551S, Smart 4.
Specification	Energy E551S	Smart 4
Release date	2019 February	2014 May
Colors	Black	Black White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	Unknown	90 EUR

Communication and Connectivity

Communication and Connectivity — specifications for Energy E551S, Smart 4.
Specification	Energy E551S	Smart 4
SIM card	Hybrid Dual SIM (Micro-SIM/Nano-SIM dual stand-by)	Micro-SIM
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 1(2100) 3(1800) 7(2600) 8(900) 20(800) 28(700)	Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed	HSPA 42.2/11.5 Mbps LTE Cat4 150/50 Mbps	HSPA
GPRS	Yes	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 b/g/n hotspot	Wi-Fi 802.11 b/g/n hotspot
GPS	Yes with A-GPS	Yes with A-GPS
USB	microUSB 2.0	microUSB 2.0
Bluetooth	4.0 A2DP LE	4.0 A2DP
Harmful irradiation	Unknown	SAR - 1.22 W/kg (head) 0.82 W/kg (body)

Music and Audio

Music and Audio — specifications for Energy E551S, Smart 4.
Specification	Energy E551S	Smart 4
Radio	FM radio	FM radio
Others	Unknown	Active noise cancellation with dedicated mic

Other features

Other features — specifications for Energy E551S, Smart 4.
Specification	Energy E551S	Smart 4
Dop	Sensors Accelerometer	Sensors Accelerometer proximity

Energizer Energy E551S vs Vodafone Smart 4