Allview X1 Xtreme vs Energizer Energy E520 LTE

Compare recorded specifications, size and practical differences.

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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

    X1 Xtreme: 55.5 g lighter

    X1 Xtreme:
    150.5 g
    Energy E520 LTE:
    206 g
  • Width

    X1 Xtreme: 1.2 mm narrower

    X1 Xtreme:
    75 mm
    Energy E520 LTE:
    76.2 mm
  • Screen diagonal

    Energy E520 LTE: 0.3 in smaller diagonal

    X1 Xtreme:
    5.5 in
    Energy E520 LTE:
    5.2 in
  • Chipset

    X1 Xtreme:
    Qualcomm MSM8274 Snapdragon 800 (28 nm)
    Energy E520 LTE:
    Mediatek MT6737 (28 nm)
  • Depth

    X1 Xtreme: 1.4 mm thinner

    X1 Xtreme:
    9.7 mm
    Energy E520 LTE:
    11.1 mm
  • Release year

    X1 Xtreme:
    2014
    Energy E520 LTE:
    2017

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. X1 Xtreme

    Height:
    150.6 mm
    Width:
    75 mm
    Depth:
    9.7 mm
  2. 2. Energy E520 LTE

    Height:
    150.8 mm
    Width:
    76.2 mm +1.2 mm versus X1 Xtreme
    Depth:
    11.1 mm +1.4 mm versus X1 Xtreme

Weight

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

  1. 1. X1 Xtreme

    150.5 g

  2. 2. Energy E520 LTE

    206 g

    +55.5 g versus X1 Xtreme

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. X1 Xtreme

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Energy E520 LTE

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

X1 Xtreme has approximately 11.9% more rectangular screen area than Energy E520 LTE.

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 X1 Xtreme, Energy E520 LTE, compared at the same storage capacity.
StorageX1 XtremeEnergy E520 LTE
16 GB Not recorded 2 GB RAM
32 GB 3 GB RAM Not recorded

Practical features

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

1. X1 Xtreme

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details panorama

2. Energy E520 LTE

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (uses SIM 2 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. X1 Xtreme

    2500 mAh

  2. 2. Energy E520 LTE

    4000 mAh

    +1500 mAh versus X1 Xtreme

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. X1 Xtreme2. Energy E520 LTE

Everyday essentials
Everyday essentials — specifications for X1 Xtreme, Energy E520 LTE.
SpecificationX1 XtremeEnergy E520 LTE
Dimensions (HxWxD)
  • 150.6 Х 75 Х 9.7 mm
  • 150.8 Х 76.2 Х 11.1 mm
Weight
  • 150.5 g
  • 206 g
Technology
  • IPS LCD
  • LTPS IPS LCD
Screen size
  • 5.5" inch
  • 5.2" inch
Screen resolution
  • 1080 x 1920 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 16 GB
  • 2 GB RAM
Memory card support
  • panorama
  • microSD
  • up to 32 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2500 mAh
  • Non-removable Li-Po
  • 4000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 6.0 (Marshmallow)
Chipset
  • Qualcomm MSM8274 Snapdragon 800 (28 nm)
  • Mediatek MT6737 (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for X1 Xtreme, Energy E520 LTE.
SpecificationX1 XtremeEnergy E520 LTE
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 74.5 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 73.8%
  • 64.9%
PPI /points per inch/
  • 401 PPI
  • 282 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for X1 Xtreme, Energy E520 LTE.
SpecificationX1 XtremeEnergy E520 LTE
Rear camera, main
  • 16 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 16 MP
  • AF
  • 13 MP
  • AF
Functions
  • Dual-LED flash
  • HDR
  • panorama
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 8 MP
  • 5 MP
Performance

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

Performance — specifications for X1 Xtreme, Energy E520 LTE.
SpecificationX1 XtremeEnergy E520 LTE
Processor CPU
  • Quad-core 2.15 GHz Krait 400
  • Quad-core 1.3 GHz Cortex-A53
Graphics processor GPU
  • Adreno 330
  • Mali-T720
Antutu 7 score * Unknown
  • 29852
GeekBench 4 Single Core * Unknown
  • 528
GeekBench 4 Multi-Core * Unknown
  • 1486
General specs
General specs — specifications for X1 Xtreme, Energy E520 LTE.
SpecificationX1 XtremeEnergy E520 LTE
Release date
  • 2014
  • February
  • 2017
  • September
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 470 EUR
  • 330 EUR
Battery life
  • Stand by time- Up to 250 h Talking time- Up to 8 h 20 min
  • Stand by time- Up to 220 h (3G) Talking time- Up to 15 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for X1 Xtreme, Energy E520 LTE.
SpecificationX1 XtremeEnergy E520 LTE
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • 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)
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.0
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR - 0.26 W/kg (head) 0.60 W/kg (body)
Music and Audio
Music and Audio — specifications for X1 Xtreme, Energy E520 LTE.
SpecificationX1 XtremeEnergy E520 LTE
Radio
  • FM radio
  • FM radio
Others
  • DTS sound -Yamaha Audio Amplifier -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for X1 Xtreme, Energy E520 LTE.
SpecificationX1 XtremeEnergy E520 LTE
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - IP68 dust/water proof (up to 1.5m for 30 mins) -MIL-STD-810G compliant