Asus Pegasus 2 Plus vs Nokia Lumia 638

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

    Lumia 638: 20 g lighter

    Pegasus 2 Plus:
    156 g
    Lumia 638:
    136 g
  • Width

    Lumia 638: 8.8 mm narrower

    Pegasus 2 Plus:
    75.5 mm
    Lumia 638:
    66.7 mm
  • Screen diagonal

    Lumia 638: 1 in smaller diagonal

    Pegasus 2 Plus:
    5.5 in
    Lumia 638:
    4.5 in
  • Chipset

    Pegasus 2 Plus:
    Qualcomm MSM8939 Snapdragon 615 (28 nm)
    Lumia 638:
    Qualcomm Snapdragon 400 (28 nm)
  • Depth

    Pegasus 2 Plus: 1.1 mm thinner

    Pegasus 2 Plus:
    8.1 mm
    Lumia 638:
    9.2 mm
  • Height

    Lumia 638: 22.3 mm shorter

    Pegasus 2 Plus:
    151.8 mm
    Lumia 638:
    129.5 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. Pegasus 2 Plus

    Height:
    151.8 mm +22.3 mm versus Lumia 638
    Width:
    75.5 mm +8.8 mm versus Lumia 638
    Depth:
    8.1 mm
  2. 2. Lumia 638

    Height:
    129.5 mm
    Width:
    66.7 mm
    Depth:
    9.2 mm +1.1 mm versus Pegasus 2 Plus

Weight

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

  1. 1. Pegasus 2 Plus

    156 g

    +20 g versus Lumia 638

  2. 2. Lumia 638

    136 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 2 Plus

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Lumia 638

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

Pegasus 2 Plus has approximately 49.4% more rectangular screen area than Lumia 638.

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 Pegasus 2 Plus, Lumia 638, compared at the same storage capacity.
StoragePegasus 2 PlusLumia 638
8 GB Not recorded 1 GB RAM
32 GB 3 GB RAM Not recorded

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 2 Plus

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

2. Lumia 638

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. Pegasus 2 Plus

    3030 mAh

    +1200 mAh versus Lumia 638

  2. 2. Lumia 638

    1830 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 2 Plus2. Lumia 638

Everyday essentials
Everyday essentials — specifications for Pegasus 2 Plus, Lumia 638.
SpecificationPegasus 2 PlusLumia 638
Dimensions (HxWxD)
  • 151.8 Х 75.5 Х 8.1 mm
  • 129.5 Х 66.7 Х 9.2 mm
Weight
  • 156 g
  • 136 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 4.5" inch
Screen resolution
  • 1080 x 1920 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3030 mAh
  • Non-removable Li-Po
  • 1830 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1.1 (Lollipop)
  • Microsoft Windows Phone 8.1
Chipset
  • Qualcomm MSM8939 Snapdragon 615 (28 nm)
  • Qualcomm Snapdragon 400 (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Pegasus 2 Plus, Lumia 638.
SpecificationPegasus 2 PlusLumia 638
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 55.8 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 72.8%
  • 64.6%
PPI /points per inch/
  • 401 PPI
  • 218 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Pegasus 2 Plus, Lumia 638.
SpecificationPegasus 2 PlusLumia 638
Rear camera, main
  • 13 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • f/2.0
  • 5 MP
  • 1/4''
  • AF
Functions
  • Dual-LED dual-tone flash
  • HDR
  • panorama
  • panorama
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
Specifications
  • 8 MP
  • f/2.0
Unknown
Performance
Performance — specifications for Pegasus 2 Plus, Lumia 638.
SpecificationPegasus 2 PlusLumia 638
Processor CPU
  • Octa-core (4x1.7 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Adreno 405
  • Adreno 305
General specs
General specs — specifications for Pegasus 2 Plus, Lumia 638.
SpecificationPegasus 2 PlusLumia 638
Release date
  • 2015
  • July
  • 2014
  • December
Colors
  • Rose Gold
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 300 EUR
  • 100 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Pegasus 2 Plus, Lumia 638.
SpecificationPegasus 2 PlusLumia 638
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • 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)
Speed
  • HSPA
  • LTE
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.1
  • A2DP
  • 4.0
  • A2DP
  • LE/ aptX after WP8 Denim update
Harmful irradiation Unknown
  • SAR EU - 1.46 W/kg (head) 0.95 W/kg (body)
Music and Audio
Music and Audio — specifications for Pegasus 2 Plus, Lumia 638.
SpecificationPegasus 2 PlusLumia 638
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
  • ClearBlack display
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Pegasus 2 Plus, Lumia 638.
SpecificationPegasus 2 PlusLumia 638
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Also known as Asus Pegasus 2 Plus X550
  • Sensors Accelerometer