Motorola BACKFLIP vs Sony Xperia E4

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

    BACKFLIP: 11 g lighter

    BACKFLIP:
    133 g
    Xperia E4:
    144 g
  • Chipset

    BACKFLIP:
    Qualcomm MSM7201A
    Xperia E4:
    Mediatek MT6582 (28 nm)
  • Release year

    BACKFLIP:
    2010
    Xperia E4:
    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. 1. BACKFLIP

    Height:
    Unknown
    Width:
    Unknown
    Depth:
    Unknown

    Folded/unfolded dimensions are ambiguous in this record; outlines are omitted.

  2. 2. Xperia E4

    Height:
    137 mm
    Width:
    74.6 mm
    Depth:
    10.5 mm

Weight

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

  1. 1. BACKFLIP

    133 g

  2. 2. Xperia E4

    144 g

    +11 g versus BACKFLIP

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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. BACKFLIP

    BACKFLIP: Screen geometry unavailable or conflicting.

  2. 2. Xperia E4

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

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 BACKFLIP, Xperia E4, compared at the same storage capacity.
StorageBACKFLIPXperia E4
8 GB Unknown 1 GB RAM
BACKFLIP: Original memory entry

512 MB · 256 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. BACKFLIP

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

2. Xperia E4

NFC:
Unknown
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. 1. BACKFLIP

    1400 mAh

  2. 2. Xperia E4

    2300 mAh

    +900 mAh versus BACKFLIP

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. BACKFLIP2. Xperia E4

Everyday essentials
Everyday essentials — specifications for BACKFLIP, Xperia E4.
SpecificationBACKFLIPXperia E4
Dimensions (HxWxD)
  • 108 Х 53 Х 15.3 mm
  • 137 Х 74.6 Х 10.5 mm
Weight
  • 133 g
  • 144 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.1" inch
  • 5" inch
Screen resolution
  • 320 x 480 px
  • 540 x 960 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 256 MB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Removable Li-Ion
  • 2300 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 1.5 (Cupcake)
  • upgradable to 2.1 (Eclair) in USA
  • Android 4.4.4 (KitKat)
Chipset
  • Qualcomm MSM7201A
  • Mediatek MT6582 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for BACKFLIP, Xperia E4.
SpecificationBACKFLIPXperia E4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 28.6 cm2
  • 68.9 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 50.0%
  • 67.4%
PPI /points per inch/
  • 186 PPI
  • 220 PPI
Screen protection
  • Corning Gorilla Glass
  • Scratch-resistant glass
Camera and Video
Camera and Video — specifications for BACKFLIP, Xperia E4.
SpecificationBACKFLIPXperia E4
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 5 MP
  • AF
  • f/2.6
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • CIF@30fps
  • 720p
Front camera, selfie
  • 0 MP,
  • 2 MP
  • Single
Specifications Unknown
  • 2 MP
  • f/2.8
Performance

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

Performance — specifications for BACKFLIP, Xperia E4.
SpecificationBACKFLIPXperia E4
Processor CPU
  • 528 MHz ARM 11
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • Adreno 130
  • Mali-400MP2
Antutu 7 score * Unknown
  • 17822
General specs
General specs — specifications for BACKFLIP, Xperia E4.
SpecificationBACKFLIPXperia E4
Release date
  • 2010
  • January
  • 2015
  • February
Colors
  • Platinum Silver
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 120 EUR
Battery life
  • Stand by time- Up to 315 h Talking time- Up to 6 h
  • Stand by time- Up to 696 h (2G) / Up to 653 h (3G) Talking time- Up to 12 h (2G) / Up to 12 h 40 min (3G) Music play - Up to 48 h
Communication and Connectivity
Communication and Connectivity — specifications for BACKFLIP, Xperia E4.
SpecificationBACKFLIPXperia E4
SIM card
  • Mini-SIM
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Class 12
  • Up to 107 kbps
Edge
  • Class 12
  • Up to 296 kbps
Wi-Fi
  • Wi-Fi 802.11 b/g
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.1
  • A2DP
  • 4.1
  • A2DP
  • aptX
Harmful irradiation
  • SAR - 0.58 W/kg (head) 0.60 W/kg (body)
  • SAR - 1.01 W/kg (head) 0.77 W/kg (body) SAR EU - 0.62 W/kg (head) 0.58 W/kg (body)
Music and Audio
Music and Audio — specifications for BACKFLIP, Xperia E4.
SpecificationBACKFLIPXperia E4
Radio
  • No
  • FM radio
  • RDS
Others
  • Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for BACKFLIP, Xperia E4.
SpecificationBACKFLIPXperia E4
Dop
  • Sensors Accelerometer
  • proximity
  • compass - MP3/eAAC+/WAV/WMA9 player -MP4/H.264/WMV9 player -Organizer -Document viewer -Voice memo/dial -Predictive text input - BACKTRACK touch panel - Also known as Motorola Enzo
  • Motorola Motus
  • Motorola MB300
  • Sensors Accelerometer
  • proximity