Energizer Energy 400 LTE vs O2 XDA Exec: 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.

Weight

Energy 400 LTE: 81 g lighter

Energy 400 LTE:

204 g

XDA Exec:

285 g
Width

Energy 400 LTE: 9 mm narrower

Energy 400 LTE:

72 mm

XDA Exec:

81 mm
Screen diagonal

XDA Exec: 0.4 in smaller diagonal

Energy 400 LTE:

4 in

XDA Exec:

3.6 in
Depth

Energy 400 LTE: 10 mm thinner

Energy 400 LTE:

15 mm

XDA Exec:

25 mm
Height

XDA Exec: 7 mm shorter

Energy 400 LTE:

134 mm

XDA Exec:

127 mm
Release year

Energy 400 LTE:

2017

XDA Exec:

2005

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 400 LTE

Height:

134 mm +7 mm versus XDA Exec
Width:

72 mm
Depth:

15 mm
2. XDA Exec

Height:

127 mm
Width:

81 mm +9 mm versus Energy 400 LTE
Depth:

25 mm +10 mm versus Energy 400 LTE

Weight

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

1. Energy 400 LTE

204 g
2. XDA Exec

285 g

+81 g versus Energy 400 LTE

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 400 LTE

Screen diagonal:

4 in

Aspect ratio (height:width):

5:3

Approximate rectangular screen area:

45.5 cm²
2. XDA Exec

Screen diagonal:

3.6 in

Aspect ratio (height:width):

4:3

Approximate rectangular screen area:

40.1 cm²

Energy 400 LTE has approximately 13.5% more rectangular screen area than XDA Exec.

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 400 LTE, XDA Exec, compared at the same storage capacity.
Storage	Energy 400 LTE	XDA Exec
8 GB	1 GB RAM	Unknown

XDA Exec: Original memory entry

64 MB RAM · 128 MB ROM

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 400 LTE

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

2. XDA Exec

NFC:: Unknown
Headphone jack:: No
Memory card support:: See details SDIO/MMC

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 400 LTE

2500 mAh

+880 mAh versus XDA Exec
2. XDA Exec

1620 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 400 LTE2. XDA Exec

Everyday essentials

Everyday essentials — specifications for Energy 400 LTE, XDA Exec.
Specification	Energy 400 LTE	XDA Exec
Dimensions (HxWxD)	134 Х 72 Х 15 mm	127 Х 81 Х 25 mm
Weight	204 g	285 g
Technology	TN TFT	TFT
Screen size	4" inch	3.6" inch
Screen resolution	480 x 800 px	640 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	8 GB 1 GB RAM	64 MB RAM 128 MB ROM
Memory card support	microSD up to 64 GB (uses SIM 2 slot)	SDIO/MMC
Battery Capacity is not battery life. No endurance test is implied.	2500 mAh Li-Ion	1620 mAh Removable Li-Ion
Operating system OS	Android 6.0 (Marshmallow)	Microsoft Windows Mobile 5.0 PocketPC
Chipset	Mediatek MT6737M (28 nm)	Unknown
Headphone jack	Yes	No

Display

Display — specifications for Energy 400 LTE, XDA Exec.
Specification	Energy 400 LTE	XDA Exec
Touchscreen	capacitive touchscreen	resistive touchscreen
Display colors	16M	65K
Screen area	45.5 cm2	40.1 cm2
Screen format	5:3 (height:width)	4:3 (height:width)
Screen to body ratio	47.2%	39.0%
PPI /points per inch/	233 PPI	222 PPI
Screen protection	Asahi Dragontrail Glass	Unknown

Camera and Video

Camera and Video — specifications for Energy 400 LTE, XDA Exec.
Specification	Energy 400 LTE	XDA Exec
Rear camera, main	8 MP Single	1.3 MP Single
Camera specs	8 MP AF	1.3 MP
Functions	LED flash HDR	Unknown
Video	Yes	Yes
Front camera, selfie	1.3 MP Single	0.3 MP Single
Specifications	1.3 MP	VGA videocall camera

Performance

Performance — specifications for Energy 400 LTE, XDA Exec.
Specification	Energy 400 LTE	XDA Exec
Processor CPU	Quad-core 1.3 GHz Cortex-A53	Intel Bulverde 520 MHz
Graphics processor GPU	Mali-T720MP2	Unknown

General specs

General specs — specifications for Energy 400 LTE, XDA Exec.
Specification	Energy 400 LTE	XDA Exec
Release date	2017 Q3	2005 August
Colors	Black	Stylish black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	180 EUR	300 EUR
Battery life	Stand by time- Up to 420 h (3G) Talking time- Up to 16 h (3G)	Stand by time- Up to 250 h Talking time- Up to 8 h

Communication and Connectivity

Communication and Connectivity — specifications for Energy 400 LTE, XDA Exec.
Specification	Energy 400 LTE	XDA Exec
SIM card	Hybrid Dual SIM (Micro-SIM dual stand-by)	Mini-SIM
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 3(1800) 7(2600) 20(800)	Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed	HSPA LTE	Yes 384 kbps
GPRS	Yes	Class 10
Edge	Yes	No
Wi-Fi	Wi-Fi 802.11 b/g/n hotspot	Wi-Fi 802.11b
GPS	Yes with A-GPS	No
USB	microUSB 2.0	miniUSB
Bluetooth	4.0 A2DP LE	1.2
Harmful irradiation	SAR - 0.64 W/kg (head) 1.52 W/kg (body)	Unknown

Music and Audio

Music and Audio — specifications for Energy 400 LTE, XDA Exec.
Specification	Energy 400 LTE	XDA Exec
Radio	FM radio	No
Others	Unknown	Handwriting recognition Dual speakers

Other features

Other features — specifications for Energy 400 LTE, XDA Exec.
Specification	Energy 400 LTE	XDA Exec
Dop	Sensors Accelerometer IP67 dust/water resistant (up to 1m for 30 mins)	Infrared port - Pocket Office -Voice memo -MP3/AAC player - Produced by HTC. Functionally identical to Qtek 9000 i-mate JASJAR and T-Mobile MDA IV.

Energizer Energy 400 LTE vs O2 XDA Exec

Energizer Energy 400 LTE

O2 XDA Exec