Nokia Lumia 638 vs Posh Pegasus Plus C351

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

    Pegasus Plus C351: 36 g lighter

    Lumia 638:
    136 g
    Pegasus Plus C351:
    100 g
  • Width

    Pegasus Plus C351: 5.1 mm narrower

    Lumia 638:
    66.7 mm
    Pegasus Plus C351:
    61.6 mm
  • Screen diagonal

    Pegasus Plus C351: 1 in smaller diagonal

    Lumia 638:
    4.5 in
    Pegasus Plus C351:
    3.5 in
  • Chipset

    Lumia 638:
    Qualcomm Snapdragon 400 (28 nm)
    Pegasus Plus C351:
    Spreadtrum SC6815
  • Depth

    Lumia 638: 2.1 mm thinner

    Lumia 638:
    9.2 mm
    Pegasus Plus C351:
    11.3 mm
  • Height

    Pegasus Plus C351: 13.5 mm shorter

    Lumia 638:
    129.5 mm
    Pegasus Plus C351:
    116 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. Lumia 638

    Height:
    129.5 mm +13.5 mm versus Pegasus Plus C351
    Width:
    66.7 mm +5.1 mm versus Pegasus Plus C351
    Depth:
    9.2 mm
  2. 2. Pegasus Plus C351

    Height:
    116 mm
    Width:
    61.6 mm
    Depth:
    11.3 mm +2.1 mm versus Lumia 638

Weight

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

  1. 1. Lumia 638

    136 g

    +36 g versus Pegasus Plus C351

  2. 2. Pegasus Plus C351

    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. Lumia 638

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. Pegasus Plus C351

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

Lumia 638 has approximately 53% more rectangular screen area than Pegasus Plus C351.

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 Lumia 638, Pegasus Plus C351, compared at the same storage capacity.
StorageLumia 638Pegasus Plus C351
8 GB 1 GB RAM Unknown
Pegasus Plus C351: Original memory entry

512 MB · 256 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. Lumia 638

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

2. Pegasus Plus C351

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. Lumia 638

    1830 mAh

    +730 mAh versus Pegasus Plus C351

  2. 2. Pegasus Plus C351

    1100 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. Lumia 6382. Pegasus Plus C351

Everyday essentials
Everyday essentials — specifications for Lumia 638, Pegasus Plus C351.
SpecificationLumia 638Pegasus Plus C351
Dimensions (HxWxD)
  • 129.5 Х 66.7 Х 9.2 mm
  • 116 Х 61.6 Х 11.3 mm
Weight
  • 136 g
  • 100 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4.5" inch
  • 3.5" inch
Screen resolution
  • 480 x 854 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 512 MB
  • 256 MB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1830 mAh
  • Removable Li-Ion
  • 1100 mAh
  • Li-Ion
Operating system OS
  • Microsoft Windows Phone 8.1
  • Android 4.4.2 (KitKat)
Chipset
  • Qualcomm Snapdragon 400 (28 nm)
  • Spreadtrum SC6815
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Lumia 638, Pegasus Plus C351.
SpecificationLumia 638Pegasus Plus C351
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 55.8 cm2
  • 36.5 cm2
Screen format
  • 16:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 64.6%
  • 51.0%
PPI /points per inch/
  • 218 PPI
  • 165 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Lumia 638, Pegasus Plus C351.
SpecificationLumia 638Pegasus Plus C351
Rear camera, main
  • 5 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 5 MP
  • 1/4''
  • AF
  • 1.3 MP
Functions
  • panorama
Unknown
Video
  • Yes
  • 480p@30fps
Front camera, selfie
  • 0 MP,
  • 1.3 MP
  • Single
Specifications Unknown
  • 1.3 MP
Performance
Performance — specifications for Lumia 638, Pegasus Plus C351.
SpecificationLumia 638Pegasus Plus C351
Processor CPU
  • Quad-core 1.2 GHz Cortex-A7
  • 1.0 GHz Cortex-A7
Graphics processor GPU
  • Adreno 305
  • Mali-400
General specs
General specs — specifications for Lumia 638, Pegasus Plus C351.
SpecificationLumia 638Pegasus Plus C351
Release date
  • 2014
  • December
  • 2014
  • June
Colors
  • Black
  • Black
  • White
  • Blue
  • Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 100 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 400 h Talking time- Up to 16 h
Communication and Connectivity
Communication and Connectivity — specifications for Lumia 638, Pegasus Plus C351.
SpecificationLumia 638Pegasus Plus C351
SIM card
  • Micro-SIM
  • Dual SIM (Mini-SIM/ Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 - RM-1010 -4G - LTE band 3(1800)
  • 7(2600)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
Unknown
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • No
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • LE/ aptX after WP8 Denim update
  • 2.1
  • EDR
Harmful irradiation
  • SAR EU - 1.46 W/kg (head) 0.95 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Lumia 638, Pegasus Plus C351.
SpecificationLumia 638Pegasus Plus C351
Radio
  • FM radio
  • FM radio
Others
  • ClearBlack display
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Lumia 638, Pegasus Plus C351.
SpecificationLumia 638Pegasus Plus C351
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer