Posh Pegasus 4G S400 vs Sony Xperia U

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 U: 9 g lighter

    Pegasus 4G S400:
    119 g
    Xperia U:
    110 g
  • Width

    Xperia U: 9.5 mm narrower

    Pegasus 4G S400:
    63.5 mm
    Xperia U:
    54 mm
  • Screen diagonal

    Xperia U: 0.5 in smaller diagonal

    Pegasus 4G S400:
    4 in
    Xperia U:
    3.5 in
  • Depth

    Pegasus 4G S400: 2.1 mm thinner

    Pegasus 4G S400:
    9.9 mm
    Xperia U:
    12 mm
  • Height

    Xperia U: 14.8 mm shorter

    Pegasus 4G S400:
    126.8 mm
    Xperia U:
    112 mm
  • Release year

    Pegasus 4G S400:
    2014
    Xperia U:
    2012

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. Pegasus 4G S400

    Height:
    126.8 mm +14.8 mm versus Xperia U
    Width:
    63.5 mm +9.5 mm versus Xperia U
    Depth:
    9.9 mm
  2. 2. Xperia U

    Height:
    112 mm
    Width:
    54 mm
    Depth:
    12 mm +2.1 mm versus Pegasus 4G S400

Weight

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

  1. 1. Pegasus 4G S400

    119 g

    +9 g versus Xperia U

  2. 2. Xperia U

    110 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. Pegasus 4G S400

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. Xperia U

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

Pegasus 4G S400 has approximately 34.9% more rectangular screen area than Xperia U.

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.

Pegasus 4G S400: Original memory entry

4 GB · 512 MB RAM

Xperia U: Original memory entry

8 GB (4 GB user available) · 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. Pegasus 4G S400

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

2. Xperia U

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

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. Pegasus 4G S400

    1450 mAh

    +130 mAh versus Xperia U

  2. 2. Xperia U

    1320 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. Pegasus 4G S4002. Xperia U

Everyday essentials
Everyday essentials — specifications for Pegasus 4G S400, Xperia U.
SpecificationPegasus 4G S400Xperia U
Dimensions (HxWxD)
  • 126.8 Х 63.5 Х 9.9 mm
  • 112 Х 54 Х 12 mm
Weight
  • 119 g
  • 110 g
Technology
  • TFT
  • TFT
Screen size
  • 4" inch
  • 3.5" inch
Screen resolution
  • 480 x 800 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 8 GB (4 GB user available)
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1450 mAh
  • Li-Po
  • 1320 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 2.3 (Gingerbread)
  • upgradable to 4.0 (Ice Cream Sandwich)
Chipset
  • Mediatek MT6572M (28 nm)
  • NovaThor U8500
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Pegasus 4G S400, Xperia U.
SpecificationPegasus 4G S400Xperia U
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 33.8 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 56.6%
  • 55.8%
PPI /points per inch/
  • 233 PPI
  • 280 PPI
Screen protection Unknown
  • Scratch-resistant glass
Camera and Video
Camera and Video — specifications for Pegasus 4G S400, Xperia U.
SpecificationPegasus 4G S400Xperia U
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • 5 MP
  • AF
Functions
  • HDR
  • panorama
  • LED flash
  • panorama
Video
  • 720p@30fps
  • 720p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 1.3 MP
  • VGA
Performance

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

Performance — specifications for Pegasus 4G S400, Xperia U.
SpecificationPegasus 4G S400Xperia U
Processor CPU
  • Dual-core 1.0 GHz Cortex-A7
  • Dual-core 1.0 GHz Cortex-A9
Graphics processor GPU
  • Mali-400
  • Mali-400
Antutu 7 score * Unknown
  • 9020
GeekBench 4 Single Core * Unknown
  • 275
GeekBench 4 Multi-Core * Unknown
  • 493
General specs
General specs — specifications for Pegasus 4G S400, Xperia U.
SpecificationPegasus 4G S400Xperia U
Release date
  • 2014
  • May
  • 2012
  • February
Colors
  • Black
  • White
  • Blue
  • Green
  • Black
  • White/ exchangeable bottom caps in white
  • Pink
  • Yellow
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 140 EUR
Battery life
  • Stand by time- Up to 450 h (2G) / Up to 350 h (3G) Talking time- Up to 18 h (2G) / Up to 12 h (3G)
  • Stand by time- Up to 260 h (2G) / Up to 472 h (3G) Talking time- Up to 6 h 36 min (2G) / Up to 5 h 36 min (3G) Music play - Up to 45 h
Communication and Connectivity
Communication and Connectivity — specifications for Pegasus 4G S400, Xperia U.
SpecificationPegasus 4G S400Xperia U
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 14.4/5.76 Mbps
GPRS
  • Yes
  • Up to 107 kbps
Edge
  • Yes
  • Up to 296 kbps
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • DLNA
GPS
  • No
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 2.1
  • A2DP
  • EDR
  • 2.1
  • A2DP
  • EDR
Harmful irradiation Unknown
  • SAR - 1.09 W/kg (head) 0.93 W/kg (body) SAR EU - 1.62 W/kg (head)
Music and Audio
Music and Audio — specifications for Pegasus 4G S400, Xperia U.
SpecificationPegasus 4G S400Xperia U
Radio
  • FM radio
  • Stereo FM radio
  • RDS
Others Unknown
  • Sony 3D surround sound audio technology -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Pegasus 4G S400, Xperia U.
SpecificationPegasus 4G S400Xperia U
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • proximity
  • compass - Previously known as Sony Ericsson ST25i Kumquat