Acer beTouch E101 vs Spice Mi-451 3G

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 E101: 38 g lighter

    beTouch E101:
    118 g
    Mi-451 3G:
    156 g
  • Width

    beTouch E101: 13.5 mm narrower

    beTouch E101:
    56 mm
    Mi-451 3G:
    69.5 mm
  • Depth

    Mi-451 3G: 4.1 mm thinner

    beTouch E101:
    12.8 mm
    Mi-451 3G:
    8.7 mm
  • Height

    beTouch E101: 21.5 mm shorter

    beTouch E101:
    113 mm
    Mi-451 3G:
    134.5 mm
  • Release year

    beTouch E101:
    2009
    Mi-451 3G:
    2014

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 E101

    Height:
    113 mm
    Width:
    56 mm
    Depth:
    12.8 mm +4.1 mm versus Mi-451 3G
  2. 2. Mi-451 3G

    Height:
    134.5 mm +21.5 mm versus beTouch E101
    Width:
    69.5 mm +13.5 mm versus beTouch E101
    Depth:
    8.7 mm

Weight

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

  1. 1. beTouch E101

    118 g

  2. 2. Mi-451 3G

    156 g

    +38 g versus beTouch E101

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. beTouch E101

    Screen diagonal:
    3.2 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    29.1 cm²
  2. 2. Mi-451 3G

    Mi-451 3G: Screen geometry unavailable or conflicting.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

beTouch E101: 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 E101

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

2. Mi-451 3G

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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 E101

    1140 mAh

  2. 2. Mi-451 3G

    1450 mAh

    +310 mAh versus beTouch E101

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 E1012. Mi-451 3G

Everyday essentials
Everyday essentials — specifications for beTouch E101, Mi-451 3G.
SpecificationbeTouch E101Mi-451 3G
Dimensions (HxWxD)
  • 113 Х 56 Х 12.8 mm
  • 134.5 Х 69.5 Х 8.7 mm
Weight
  • 118 g
  • 156 g
Technology
  • TFT
Unknown
Screen size
  • 3.2" inch
  • 0" inch
Screen resolution
  • 240 x 400 px
  • 480 x 854 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
Unknown
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1140 mAh
  • Removable Li-Ion
  • 1450 mAh
  • Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.5 Professional
  • Android 4.4 (KitKat)
Chipset
  • Qualcomm MSM7225 Snapdragon S1
Unknown
NFC
  • Super AMOLED
Unknown
Headphone jack
  • panorama
  • Yes
Display
Display — specifications for beTouch E101, Mi-451 3G.
SpecificationbeTouch E101Mi-451 3G
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
Unknown
Screen area
  • 29.1 cm2
Unknown
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 46.1%
Unknown
PPI /points per inch/
  • 146 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for beTouch E101, Mi-451 3G.
SpecificationbeTouch E101Mi-451 3G
Rear camera, main
  • 2 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 2 MP
  • 3.15 MP
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 1.3 MP
  • Single
Specifications
  • Super AMOLED
  • 1.3 MP
Performance
Performance — specifications for beTouch E101, Mi-451 3G.
SpecificationbeTouch E101Mi-451 3G
Processor CPU
  • 528 MHz ARM 11
Unknown
Graphics processor GPU
  • No
Unknown
General specs
General specs — specifications for beTouch E101, Mi-451 3G.
SpecificationbeTouch E101Mi-451 3G
Release date
  • 2009
  • October
  • 2014
Colors
  • Black
  • White
  • Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 170 EUR
Unknown
Battery life
  • Stand by time- Up to 400 h Talking time- Up to 5 h
  • Stand by time- Up to 60 h Talking time- Up to 5 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for beTouch E101, Mi-451 3G.
SpecificationbeTouch E101Mi-451 3G
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • Dual SIM
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 900 / 1800 - SIM 1 & SIM 2
Speed
  • Super AMOLED
  • HSPA
GPRS
  • Class 10
  • Class 12
Edge
  • Class 10
  • Class 12
Wi-Fi
  • panorama
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • A-GPS only
USB
  • miniUSB
  • microUSB
Bluetooth
  • microUSB 2.0
  • A2DP
  • 2.0
Harmful irradiation
  • SAR - 0.34 W/kg (head) 0.79 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for beTouch E101, Mi-451 3G.
SpecificationbeTouch E101Mi-451 3G
Radio
  • panorama
  • FM radio
Others
  • Scroll Wheel
Unknown
Other features
Other features — specifications for beTouch E101, Mi-451 3G.
SpecificationbeTouch E101Mi-451 3G
Dop
  • MP3/WAV/WMA/eAAC+ player -MP4/WMV/H.264 player -Pocket Office -Voice memo -Predictive text input Also known as Acer E1
  • Sensors Accelerometer Also known as Spice Stellar 451 3G