Acer beTouch E100 vs Oppo A57

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

    beTouch E100: 29 g lighter

    beTouch E100:
    118 g
    A57:
    147 g
  • Width

    beTouch E100: 16.9 mm narrower

    beTouch E100:
    56 mm
    A57:
    72.9 mm
  • Screen diagonal

    beTouch E100: 2 in smaller diagonal

    beTouch E100:
    3.2 in
    A57:
    5.2 in
  • Chipset

    beTouch E100:
    Qualcomm MSM7225 Snapdragon S1
    A57:
    Qualcomm MSM8940 Snapdragon 435 (28 nm)
  • Depth

    A57: 5.1 mm thinner

    beTouch E100:
    12.8 mm
    A57:
    7.7 mm
  • Height

    beTouch E100: 36.1 mm shorter

    beTouch E100:
    113 mm
    A57:
    149.1 mm

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. beTouch E100

    Height:
    113 mm
    Width:
    56 mm
    Depth:
    12.8 mm +5.1 mm versus A57
  2. 2. A57

    Height:
    149.1 mm +36.1 mm versus beTouch E100
    Width:
    72.9 mm +16.9 mm versus beTouch E100
    Depth:
    7.7 mm

Weight

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

  1. 1. beTouch E100

    118 g

  2. 2. A57

    147 g

    +29 g versus beTouch E100

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. beTouch E100

    Screen diagonal:
    3.2 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    29.1 cm²
  2. 2. A57

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

A57 has approximately 155.8% more rectangular screen area than beTouch E100.

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 beTouch E100, A57, compared at the same storage capacity.
StoragebeTouch E100A57
32 GB Unknown 3 GB RAM
beTouch E100: Original memory entry

256 MB RAM · 512 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. beTouch E100

NFC:
See details Super AMOLED
Headphone jack:
See details panorama
Memory card support:
See details microSD (dedicated slot)

2. A57

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. 1. beTouch E100

    1140 mAh

  2. 2. A57

    2900 mAh

    +1760 mAh versus beTouch E100

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. beTouch E1002. A57

Everyday essentials
Everyday essentials — specifications for beTouch E100, A57.
SpecificationbeTouch E100A57
Dimensions (HxWxD)
  • 113 Х 56 Х 12.8 mm
  • 149.1 Х 72.9 Х 7.7 mm
Weight
  • 118 g
  • 147 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.2" inch
  • 5.2" inch
Screen resolution
  • 240 x 400 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 256 MB RAM
  • 512 MB ROM
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1140 mAh
  • Removable Li-Ion
  • 2900 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.5 Professional
  • Android 6 (Marshmallow); ColorOS 3
Chipset
  • Qualcomm MSM7225 Snapdragon S1
  • Qualcomm MSM8940 Snapdragon 435 (28 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • panorama
  • Yes
Display
Display — specifications for beTouch E100, A57.
SpecificationbeTouch E100A57
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 29.1 cm2
  • 74.5 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 46.1%
  • 68.6%
PPI /points per inch/
  • 146 PPI
  • 282 PPI
Screen protection Unknown
  • Corning Gorilla Glass 4
Camera and Video
Camera and Video — specifications for beTouch E100, A57.
SpecificationbeTouch E100A57
Rear camera, main
  • 2 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 2 MP
  • 13 MP
  • PDAF
  • f/2.2
Functions Unknown
  • LED flash
  • HDR
  • panorama
Video
  • 320p
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 16 MP
  • Single
Specifications
  • Super AMOLED
  • 16 MP
  • f/2.0
  • 1.12µm
  • AF
Performance

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

Performance — specifications for beTouch E100, A57.
SpecificationbeTouch E100A57
Processor CPU
  • 528 MHz ARM 11
  • Octa-core 1.4 GHz Cortex-A53
Graphics processor GPU
  • No
  • Adreno 505
Antutu 7 score * Unknown
  • 46782
GeekBench 4 Single Core * Unknown
  • 657
GeekBench 4 Multi-Core * Unknown
  • 2764
GeekBench 4 RenderScript * Unknown
  • 2302
General specs
General specs — specifications for beTouch E100, A57.
SpecificationbeTouch E100A57
Release date
  • 2009
  • October
  • 2016
  • November
Colors
  • Black
  • Black
  • Gold
  • Rose Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 180 EUR
  • 200 EUR
Battery life
  • Stand by time- Up to 400 h Talking time- Up to 5 h
Unknown
Body build Unknown
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for beTouch E100, A57.
SpecificationbeTouch E100A57
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 7.2/5.76 Mbps
  • HSPA
  • LTE
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • panorama
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • miniUSB
  • microUSB 2.0
  • USB Host
Bluetooth
  • microUSB 2.0
  • A2DP
  • 4.1
  • A2DP
Harmful irradiation
  • SAR - 0.69 W/kg (head) 0.80 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for beTouch E100, A57.
SpecificationbeTouch E100A57
Radio
  • panorama
  • FM radio
Others
  • Scroll Wheel
Unknown
Other features
Other features — specifications for beTouch E100, A57.
SpecificationbeTouch E100A57
Dop
  • MP3/WAV/WMA/eAAC+ player -MP4/WMV/H.264 player -Pocket Office -Voice memo -Predictive text input Also known as Acer C1
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • proximity
  • compass - Also known as Oppo F3 Lite in Vietnam