Nokia Lumia 638 vs Wiko Bloom2

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: 15 g lighter

    Lumia 638:
    136 g
    Bloom2:
    151 g
  • Width

    Lumia 638: 4.9 mm narrower

    Lumia 638:
    66.7 mm
    Bloom2:
    71.6 mm
  • Screen diagonal

    Lumia 638: 0.2 in smaller diagonal

    Lumia 638:
    4.5 in
    Bloom2:
    4.7 in
  • Chipset

    Lumia 638:
    Qualcomm Snapdragon 400 (28 nm)
    Bloom2:
    Mediatek MT6582M (28 nm)
  • Height

    Lumia 638: 9.5 mm shorter

    Lumia 638:
    129.5 mm
    Bloom2:
    139 mm
  • Release year

    Lumia 638:
    2014
    Bloom2:
    2015

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
    Width:
    66.7 mm
    Depth:
    9.2 mm
  2. 2. Bloom2

    Height:
    139 mm +9.5 mm versus Lumia 638
    Width:
    71.6 mm +4.9 mm versus Lumia 638
    Depth:
    8.8 mm

Weight

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

  1. 1. Lumia 638

    136 g

  2. 2. Bloom2

    151 g

    +15 g versus Lumia 638

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. Bloom2

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

Bloom2 has approximately 12.6% 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 Lumia 638, Bloom2, compared at the same storage capacity.
StorageLumia 638Bloom2
8 GB Recorded for all phones 1 GB RAM 1 GB 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. Bloom2

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

  2. 2. Bloom2

    2120 mAh

    +290 mAh versus Lumia 638

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. Bloom2

Everyday essentials
Everyday essentials — specifications for Lumia 638, Bloom2.
SpecificationLumia 638Bloom2
Dimensions (HxWxD)
  • 129.5 Х 66.7 Х 9.2 mm
  • 139 Х 71.6 Х 8.8 mm
Weight
  • 136 g
  • 151 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4.5" inch
  • 4.7" 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.
  • 8 GB
  • 1 GB RAM
  • 8 GB
  • 1 GB 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
  • 2120 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Phone 8.1
  • Android 5.0 (Lollipop)
Chipset
  • Qualcomm Snapdragon 400 (28 nm)
  • Mediatek MT6582M (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Lumia 638, Bloom2.
SpecificationLumia 638Bloom2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 55.8 cm2
  • 62.9 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 64.6%
  • 63.2%
PPI /points per inch/
  • 218 PPI
  • 199 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Lumia 638, Bloom2.
SpecificationLumia 638Bloom2
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • 1/4''
  • AF
  • 8 MP
  • AF
Functions
  • panorama
  • LED flash
  • panorama
  • HDR
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 2 MP
  • Single
Specifications Unknown
  • 2 MP
Performance
Performance — specifications for Lumia 638, Bloom2.
SpecificationLumia 638Bloom2
Processor CPU
  • Quad-core 1.2 GHz Cortex-A7
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • Adreno 305
  • Mali-400MP2
General specs
General specs — specifications for Lumia 638, Bloom2.
SpecificationLumia 638Bloom2
Release date
  • 2014
  • December
  • 2015
  • June
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 100 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 360 h (2G) / Up to 360 h (3G) Talking time- Up to 16 h 30 min (2G) / Up to 15 h 30 min (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Lumia 638, Bloom2.
SpecificationLumia 638Bloom2
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)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Up to 107 kbps
Edge
  • Yes
  • Up to 296 kbps
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 4.0
  • A2DP
  • LE/ aptX after WP8 Denim update
  • 4.0
  • A2DP
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, Bloom2.
SpecificationLumia 638Bloom2
Radio
  • FM radio
  • FM radio
Others
  • ClearBlack display
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Lumia 638, Bloom2.
SpecificationLumia 638Bloom2
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • proximity - For Europe