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Energizer Energy E520 LTE vs Nokia E66

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    E66: 85 g lighter

    Energy E520 LTE:
    206 g
    E66:
    121 g
  • Width

    E66: 26.7 mm narrower

    Energy E520 LTE:
    76.2 mm
    E66:
    49.5 mm
  • Screen diagonal

    E66: 2.8 in smaller diagonal

    Energy E520 LTE:
    5.2 in
    E66:
    2.4 in
  • Depth

    Energy E520 LTE: 2.5 mm thinner

    Energy E520 LTE:
    11.1 mm
    E66:
    13.6 mm
  • Height

    E66: 43.3 mm shorter

    Energy E520 LTE:
    150.8 mm
    E66:
    107.5 mm
  • Release year

    Energy E520 LTE:
    2017
    E66:
    2008

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. 1. Energy E520 LTE

    Height:
    150.8 mm +43.3 mm versus E66
    Width:
    76.2 mm +26.7 mm versus E66
    Depth:
    11.1 mm
  2. 2. E66

    Height:
    107.5 mm
    Width:
    49.5 mm
    Depth:
    13.6 mm +2.5 mm versus Energy E520 LTE

Weight

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

  1. 1. Energy E520 LTE

    206 g

    +85 g versus E66

  2. 2. E66

    121 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. 1. Energy E520 LTE

    Screen diagonal:
    5.2 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    74.5 cm²
  2. 2. E66

    Screen diagonal:
    2.4 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    17.8 cm²

Energy E520 LTE has approximately 317.9% more rectangular screen area than E66.

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 E520 LTE, E66, compared at the same storage capacity.
StorageEnergy E520 LTEE66
16 GB 2 GB RAM Unknown
E66: Original memory entry

110 MB · 128 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 E520 LTE

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (uses SIM 2 slot)

2. E66

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 8 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. 1. Energy E520 LTE

    4000 mAh

    +3000 mAh versus E66

  2. 2. E66

    1000 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 E520 LTE2. E66

Everyday essentials
Everyday essentials — specifications for Energy E520 LTE, E66.
SpecificationEnergy E520 LTEE66
Dimensions (HxWxD)
  • 150.8 Х 76.2 Х 11.1 mm
  • 107.5 Х 49.5 Х 13.6 mm
Weight
  • 206 g
  • 121 g
Technology
  • LTPS IPS LCD
  • TFT
Screen size
  • 5.2" inch
  • 2.4" inch
Screen resolution
  • 720 x 1280 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 110 MB
  • 128 MB RAM
Memory card support
  • microSD
  • up to 32 GB (uses SIM 2 slot)
  • microSD
  • up to 8 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Non-removable Li-Ion
  • 1000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 6.0 (Marshmallow)
  • Symbian OS 9.2
  • Series 60 v3.1 UI
Chipset
  • Mediatek MT6737 (28 nm)
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Energy E520 LTE, E66.
SpecificationEnergy E520 LTEE66
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 16M
Screen area
  • 74.5 cm2
  • 17.8 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 64.9%
  • 33.5%
PPI /points per inch/
  • 282 PPI
  • 167 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Energy E520 LTE, E66.
SpecificationEnergy E520 LTEE66
Rear camera, main
  • 13 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • 3.15 MP
  • AF
Functions
  • LED flash
  • HDR
  • panorama
  • LED flash
Video
  • 1080p@30fps
  • 320p@15fps
Front camera, selfie
  • 5 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 5 MP
  • Videocall camera
Performance

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

Performance — specifications for Energy E520 LTE, E66.
SpecificationEnergy E520 LTEE66
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • 369 MHz ARM 11
Graphics processor GPU
  • Mali-T720
Unknown
Antutu 7 score *
  • 29852
Unknown
GeekBench 4 Single Core *
  • 528
Unknown
GeekBench 4 Multi-Core *
  • 1486
Unknown
General specs
General specs — specifications for Energy E520 LTE, E66.
SpecificationEnergy E520 LTEE66
Release date
  • 2017
  • September
  • 2008
  • June
Colors
  • Black
  • White Steel
  • Grey Steel
  • Black
  • Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 330 EUR
  • 180 EUR
Battery life
  • Stand by time- Up to 220 h (3G) Talking time- Up to 15 h (3G)
  • Stand by time- Up to 264 h (2G) / 336 h (3G) Talking time- Up to 7 h 30 m (2G) / 7 h 30 min (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Energy E520 LTE, E66.
SpecificationEnergy E520 LTEE66
SIM card
  • Hybrid Dual SIM (Nano-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 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 3.6/0.384 Mbps
GPRS
  • Yes
  • Class 32
  • 100 kbps
Edge
  • Yes
  • Class 32
  • 296 kbps
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS; Nokia Maps
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • LE
  • 2.0
  • A2DP
Harmful irradiation
  • SAR - 0.26 W/kg (head) 0.60 W/kg (body)
  • SAR - 1.01 W/kg (head) 0.36 W/kg (body) SAR EU - 1.20 W/kg (head)
Music and Audio
Music and Audio — specifications for Energy E520 LTE, E66.
SpecificationEnergy E520 LTEE66
Radio
  • FM radio
  • FM radio
Others Unknown
  • 2.5 mm audio jack
Other features
Other features — specifications for Energy E520 LTE, E66.
SpecificationEnergy E520 LTEE66
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - IP68 dust/water proof (up to 1.5m for 30 mins) -MIL-STD-810G compliant
  • Sensors Accelerometer
  • Infrared port - MP3/AAC/MP4 player -Document viewer (Word
  • Excel
  • PowerPoint
  • PDF) incl. MS Office 2007 support via free update -Push to talk -Voice command/dial -Turn-to-mute -Organizer -VoIP -Printing