Energizer Energy E551S vs Lava Iris Atom: 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

Iris Atom: 1.5 in smaller diagonal

Energy E551S:

5.5 in

Iris Atom:

4 in
Release year

Energy E551S:

2019

Iris Atom:

2015

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. Iris Atom

Height:

125.5 mm
Width:

63.2 mm
Depth:

9.7 mm

Weight:

110 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. Iris Atom

Screen diagonal:

4 in

Aspect ratio (height:width):

5:3

Approximate rectangular screen area:

45.5 cm²

Energy E551S has approximately 83.1% more rectangular screen area than Iris Atom.

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

Iris Atom: Original memory entry

8 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. Iris Atom

NFC:: Unknown
Headphone jack:: Yes
Memory card support:: See details microSD · up to 32 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. Energy E551S

2500 mAh

+950 mAh versus Iris Atom
2. Iris Atom

1550 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. Iris Atom

Everyday essentials

Everyday essentials — specifications for Energy E551S, Iris Atom.
Specification	Energy E551S	Iris Atom
Dimensions (HxWxD)	Х Х mm	125.5 Х 63.2 Х 9.7 mm
Weight	0 g	110 g
Technology	TFT	Unknown
Screen size	5.5" inch	4" inch
Screen resolution	480 x 854 px	480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	8 GB 1 GB RAM	8 GB 512 MB RAM
Memory card support	microSD up to 64 GB (uses SIM 2 slot)	microSD up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.	2500 mAh Li-Ion	1550 mAh Removable Li-Ion
Operating system OS	Android 8.0 Oreo (Go edition)	Android 5.1 (Lollipop)
Chipset	Mediatek MT6737M (28 nm)	Unknown
Headphone jack	Yes	Yes

Display

Display — specifications for Energy E551S, Iris Atom.
Specification	Energy E551S	Iris Atom
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	Unknown
Screen area	83.4 cm2	45.5 cm2
Screen format	16:9 (height:width)	5:3 (height:width)
Screen to body ratio	Unknown	57.4%
PPI /points per inch/	178 PPI	233 PPI

Camera and Video

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

Performance

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

Performance — specifications for Energy E551S, Iris Atom.
Specification	Energy E551S	Iris Atom
Processor CPU	Quad-core 1.3 GHz Cortex-A53	Quad-core 1.3 GHz
Graphics processor GPU	Mali-T720MP2	Unknown
Antutu 7 score *	300123	Unknown

General specs

General specs — specifications for Energy E551S, Iris Atom.
Specification	Energy E551S	Iris Atom
Release date	2019 February	2015 December
Colors	Black	Black White
Battery life	Unknown	Stand by time- Up to 150 h (3G) Talking time- Up to 12 h 30 min (3G)

Communication and Connectivity

Communication and Connectivity — specifications for Energy E551S, Iris Atom.
Specification	Energy E551S	Iris Atom
SIM card	Hybrid Dual SIM (Micro-SIM/Nano-SIM dual stand-by)	Dual 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 - SIM 1 & SIM 2
Speed	HSPA 42.2/11.5 Mbps LTE Cat4 150/50 Mbps	HSPA
GPRS	Yes	Yes
Edge	Yes	No
Wi-Fi	Wi-Fi 802.11 b/g/n hotspot	Wi-Fi 802.11 b/g/n
GPS	Yes with A-GPS	Yes with A-GPS
USB	microUSB 2.0	microUSB 2.0
Bluetooth	4.0 A2DP LE	2.1 EDR

Music and Audio

Music and Audio — specifications for Energy E551S, Iris Atom.
Specification	Energy E551S	Iris Atom
Radio	FM radio	FM radio

Other features

Other features — specifications for Energy E551S, Iris Atom.
Specification	Energy E551S	Iris Atom
Dop	Sensors Accelerometer	Sensors Accelerometer For India

Energizer Energy E551S vs Lava Iris Atom