HTC One ST vs Motorola EM30

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

    EM30: 15 g lighter

    One ST:
    115 g
    EM30:
    100 g
  • Width

    EM30: 13.9 mm narrower

    One ST:
    66.9 mm
    EM30:
    53 mm
  • Screen diagonal

    EM30: 2.3 in smaller diagonal

    One ST:
    4.3 in
    EM30:
    2 in
  • Depth

    One ST: 1.3 mm thinner

    One ST:
    9.3 mm
    EM30:
    10.6 mm
  • Height

    EM30: 13 mm shorter

    One ST:
    128 mm
    EM30:
    115 mm
  • Release year

    One ST:
    2012
    EM30:
    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. One ST

    Height:
    128 mm +13 mm versus EM30
    Width:
    66.9 mm +13.9 mm versus EM30
    Depth:
    9.3 mm
  2. 2. EM30

    Height:
    115 mm
    Width:
    53 mm
    Depth:
    10.6 mm +1.3 mm versus One ST

Weight

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

  1. 1. One ST

    115 g

    +15 g versus EM30

  2. 2. EM30

    100 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. One ST

    Screen diagonal:
    4.3 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    52.6 cm²
  2. 2. EM30

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

One ST has approximately 324.9% more rectangular screen area than EM30.

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 One ST, EM30, compared at the same storage capacity.
StorageOne STEM30
4 GB 1 GB RAM Unknown

Practical features

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

1. One ST

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

2. EM30

NFC:
Unknown
Headphone jack:
Yes
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. One ST

    1800 mAh

    +830 mAh versus EM30

  2. 2. EM30

    970 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. One ST2. EM30

Everyday essentials
Everyday essentials — specifications for One ST, EM30.
SpecificationOne STEM30
Dimensions (HxWxD)
  • 128 Х 66.9 Х 9.3 mm
  • 115 Х 53 Х 10.6 mm
Weight
  • 115 g
  • 100 g
Technology
  • Super LCD2
  • TFT
Screen size
  • 4.3" inch
  • 2" inch
Screen resolution
  • 480 x 800 px
  • 320 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 1 GB RAM
Unknown
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 8 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Removable Li-Ion
  • 970 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.0 (Ice Cream Sandwich); Sense UI
  • Linux / Java-based MOTOMAGX
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for One ST, EM30.
SpecificationOne STEM30
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 256K
Screen area
  • 52.6 cm2
  • 12.4 cm2
Screen format
  • 5:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 61.5%
  • 20.3%
PPI /points per inch/
  • 217 PPI
  • 200 PPI
Camera and Video
Camera and Video — specifications for One ST, EM30.
SpecificationOne STEM30
Rear camera, main
  • 5 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 2 MP
Functions
  • LED flash
Unknown
Video
  • 720p
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance — specifications for One ST, EM30.
SpecificationOne STEM30
Processor CPU
  • Dual-core 1.0 GHz
Unknown
General specs
General specs — specifications for One ST, EM30.
SpecificationOne STEM30
Release date
  • 2012
  • August
  • 2008
  • August
Colors
  • Black
  • White
  • Red
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 200 EUR
  • 60 EUR
Battery life Unknown
  • Stand by time- Up to 300 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for One ST, EM30.
SpecificationOne STEM30
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
Unknown
Speed
  • HSPA
Unknown
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • No
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • 2.0
Bluetooth
  • 4.0
  • A2DP
  • aptX
  • 2.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.60 W/kg (head) 0.71 W/kg (body) SAR EU - 0.79 W/kg (head)
Music and Audio
Music and Audio — specifications for One ST, EM30.
SpecificationOne STEM30
Radio
  • No
  • Stereo FM radio
  • RDS
Others
  • Beats Audio
  • Screensavers and wallpapers -Downloadable logos
Other features
Other features — specifications for One ST, EM30.
SpecificationOne STEM30
Dop
  • Sensors Accelerometer
  • proximity - MP4/H.264/WMV player -MP3/eAAC+/WMA/WAV player -Document viewer -Voice memo/dial -Predictive text input - For China
  • MP3/AAC player -Organizer -Voice dial -Voice memo