LG Class 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: 14 g lighter

    Class:
    150 g
    Lumia 638:
    136 g
  • Width

    Lumia 638: 5.1 mm narrower

    Class:
    71.8 mm
    Lumia 638:
    66.7 mm
  • Screen diagonal

    Lumia 638: 0.5 in smaller diagonal

    Class:
    5 in
    Lumia 638:
    4.5 in
  • Chipset

    Class:
    Qualcomm MSM8916 Snapdragon 410 (28 nm)
    Lumia 638:
    Qualcomm Snapdragon 400 (28 nm)
  • Depth

    Class: 1.8 mm thinner

    Class:
    7.4 mm
    Lumia 638:
    9.2 mm
  • Height

    Lumia 638: 12.5 mm shorter

    Class:
    142 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. Class

    Height:
    142 mm +12.5 mm versus Lumia 638
    Width:
    71.8 mm +5.1 mm versus Lumia 638
    Depth:
    7.4 mm
  2. 2. Lumia 638

    Height:
    129.5 mm
    Width:
    66.7 mm
    Depth:
    9.2 mm +1.8 mm versus Class

Weight

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

  1. 1. Class

    150 g

    +14 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. Class

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

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

Class has approximately 23.5% 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 Class, Lumia 638, compared at the same storage capacity.
StorageClassLumia 638
8 GB Unknown 1 GB RAM
Class: Original memory entry

16 GB · 1.5 GB RAM (H650E) · 2 GB RAM (F620S)

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Class

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot) - F620SmicroSD · up to 32 GB (dedicated slot) - H650E

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. Class

    2050 mAh

    +220 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. Class2. Lumia 638

Everyday essentials
Everyday essentials — specifications for Class, Lumia 638.
SpecificationClassLumia 638
Dimensions (HxWxD)
  • 142 Х 71.8 Х 7.4 mm
  • 129.5 Х 66.7 Х 9.2 mm
Weight
  • 150 g
  • 136 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5" inch
  • 4.5" inch
Screen resolution
  • 720 x 1280 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 1.5 GB RAM (H650E)
  • 2 GB RAM (F620S)
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot) - F620SmicroSD
  • up to 32 GB (dedicated slot) - H650E
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2050 mAh
  • Non-removable Li-Ion
  • 1830 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1.1 (Lollipop)
  • upgradаble to 6.0 (Marshmallow)
  • Microsoft Windows Phone 8.1
Chipset
  • Qualcomm MSM8916 Snapdragon 410 (28 nm)
  • Qualcomm Snapdragon 400 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Class, Lumia 638.
SpecificationClassLumia 638
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 55.8 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 67.6%
  • 64.6%
PPI /points per inch/
  • 294 PPI
  • 218 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Class, Lumia 638.
SpecificationClassLumia 638
Rear camera, main
  • 13 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 13 MP
  • 1/3''
  • AF
  • 5 MP
  • 1/4''
  • AF
Functions
  • LED flash
  • HDR
  • panorama
  • panorama
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
Specifications
  • 8 MP
Unknown
Performance
Performance — specifications for Class, Lumia 638.
SpecificationClassLumia 638
Processor CPU
  • Quad-core 1.2 GHz Cortex-A53
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Adreno 306
  • Adreno 305
General specs
General specs — specifications for Class, Lumia 638.
SpecificationClassLumia 638
Release date
  • 2015
  • September
  • 2014
  • December
Colors
  • Gold
  • Silver
  • Blue
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 190 EUR
  • 100 EUR
Battery life
  • Stand by time- Up to 340 h (2G) / Up to 340 h (3G) Talking time- Up to 6 h (2G) / Up to 10 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Class, Lumia 638.
SpecificationClassLumia 638
SIM card
  • Nano-SIM
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800) - H650E
  • 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 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Class 33
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • 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 Class, Lumia 638.
SpecificationClassLumia 638
Radio
  • FM radio
  • RDS
  • FM radio
Others Unknown
  • ClearBlack display
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Class, Lumia 638.
SpecificationClassLumia 638
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Also known as LG Class
  • Sensors Accelerometer