Sony Ericsson Xperia X10 vs T-Mobile Sidekick 4G

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

    Xperia X10: 27 g lighter

    Xperia X10:
    135 g
    Sidekick 4G:
    162 g
  • Width

    Sidekick 4G: 2 mm narrower

    Xperia X10:
    63 mm
    Sidekick 4G:
    61 mm
  • Screen diagonal

    Sidekick 4G: 0.5 in smaller diagonal

    Xperia X10:
    4 in
    Sidekick 4G:
    3.5 in
  • Depth

    Xperia X10: 2 mm thinner

    Xperia X10:
    13 mm
    Sidekick 4G:
    15 mm
  • Height

    Xperia X10: 8 mm shorter

    Xperia X10:
    119 mm
    Sidekick 4G:
    127 mm
  • Release year

    Xperia X10:
    2009
    Sidekick 4G:
    2011

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. Xperia X10

    Height:
    119 mm
    Width:
    63 mm +2 mm versus Sidekick 4G
    Depth:
    13 mm
  2. 2. Sidekick 4G

    Height:
    127 mm +8 mm versus Xperia X10
    Width:
    61 mm
    Depth:
    15 mm +2 mm versus Xperia X10

Weight

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

  1. 1. Xperia X10

    135 g

  2. 2. Sidekick 4G

    162 g

    +27 g versus Xperia X10

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. Xperia X10

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    44.1 cm²
  2. 2. Sidekick 4G

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    34.9 cm²

Xperia X10 has approximately 26.5% more rectangular screen area than Sidekick 4G.

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.

Xperia X10: Original memory entry

1 GB · 384 MB RAM

Sidekick 4G: Original memory entry

1 GB · 512 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. Xperia X10

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 8 GB included

2. Sidekick 4G

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

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. Xperia X10

    1500 mAh

  2. 2. Sidekick 4G

    1500 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. Xperia X102. Sidekick 4G

Everyday essentials
Everyday essentials — specifications for Xperia X10, Sidekick 4G.
SpecificationXperia X10Sidekick 4G
Dimensions (HxWxD)
  • 119 Х 63 Х 13 mm
  • 127 Х 61 Х 15 mm
Weight
  • 135 g
  • 162 g
Technology
  • TFT
  • TFT
Screen size
  • 4" inch
  • 3.5" inch
Screen resolution
  • 480 x 854 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 1 GB
  • 384 MB RAM
  • 1 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • 8 GB included
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Po
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 1.6 (Donut)
  • upgradable to 2.3 (Gingerbread)
  • Android 2.2 (Froyo)
Chipset
  • Qualcomm QSD8250 Snapdragon S1
  • Hummingbird
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Xperia X10, Sidekick 4G.
SpecificationXperia X10Sidekick 4G
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 44.1 cm2
  • 34.9 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 58.8%
  • 45.0%
PPI /points per inch/
  • 245 PPI
  • 267 PPI
Screen protection
  • Scratch-resistant glass
Unknown
Camera and Video
Camera and Video — specifications for Xperia X10, Sidekick 4G.
SpecificationXperia X10Sidekick 4G
Rear camera, main
  • 8 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 3.15 MP
  • AF
Functions
  • LED flash
Unknown
Video
  • w480p@30fps
  • 720p@30fps (via SW update)
  • 480p@30fps
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Specifications Unknown
  • VGA
Performance
Performance — specifications for Xperia X10, Sidekick 4G.
SpecificationXperia X10Sidekick 4G
Processor CPU
  • 1.0 GHz Scorpion
  • 1.0 GHz Cortex-A8
Graphics processor GPU
  • Adreno 200
  • PowerVR SGX540
General specs
General specs — specifications for Xperia X10, Sidekick 4G.
SpecificationXperia X10Sidekick 4G
Release date
  • 2009
  • November
  • 2011
  • March
Colors
  • Sensous Black
  • Luster White
  • Matte Black
  • Pearl magenta
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 120 EUR
  • 310 EUR
Battery life
  • Stand by time- Up to 415 h (2G) / Up to 425 h (3G) Talking time- Up to 10 h (2G) / Up to 8 h (3G)
  • Stand by time- Up to 456 h Talking time- Up to 6 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for Xperia X10, Sidekick 4G.
SpecificationXperia X10Sidekick 4G
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 7.2/2 Mbps
  • HSPA 7.2/5.76 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.1
  • A2DP
  • 3.0
  • A2DP
Harmful irradiation
  • SAR - 0.87 W/kg (head) 0.81 W/kg (body) SAR EU - 1.25 W/kg (head)
  • SAR - 0.34 W/kg (head) 0.96 W/kg (body)
Music and Audio
Music and Audio — specifications for Xperia X10, Sidekick 4G.
SpecificationXperia X10Sidekick 4G
Radio
  • No
  • Nо
Other features
Other features — specifications for Xperia X10, Sidekick 4G.
SpecificationXperia X10Sidekick 4G
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Previously rumored as XPERIA X3 and Sony Ericsson Rachael
  • Sensors Accelerometer
  • proximity - T-Mobile TV -MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -ThinkFree Office document editor
  • PDF viewer -Voice memo -Predictive text input - Optical trackpad - Also known as T-Mobile T839 Sidekick 4G