HTC Desire 12 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.

  • Width

    Lumia 638: 4.1 mm narrower

    Desire 12:
    70.8 mm
    Lumia 638:
    66.7 mm
  • Screen diagonal

    Lumia 638: 1 in smaller diagonal

    Desire 12:
    5.5 in
    Lumia 638:
    4.5 in
  • Chipset

    Desire 12:
    Mediatek MT6739 (28 nm)
    Lumia 638:
    Qualcomm Snapdragon 400 (28 nm)
  • Depth

    Desire 12: 1 mm thinner

    Desire 12:
    8.2 mm
    Lumia 638:
    9.2 mm
  • Height

    Lumia 638: 19 mm shorter

    Desire 12:
    148.5 mm
    Lumia 638:
    129.5 mm
  • Release year

    Desire 12:
    2018
    Lumia 638:
    2014

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. Desire 12

    Height:
    148.5 mm +19 mm versus Lumia 638
    Width:
    70.8 mm +4.1 mm versus Lumia 638
    Depth:
    8.2 mm
  2. 2. Lumia 638

    Height:
    129.5 mm
    Width:
    66.7 mm
    Depth:
    9.2 mm +1 mm versus Desire 12

Weight

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

  1. 1. Desire 12

    137 g

    +1 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. Desire 12

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    78.1 cm²
  2. 2. Lumia 638

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

Desire 12 has approximately 39.8% 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 Desire 12, Lumia 638, compared at the same storage capacity.
StorageDesire 12Lumia 638
8 GB Unknown 1 GB RAM
Desire 12: Original memory entry

32 GB · 3 RAM 16 GB · 2 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. Desire 12

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 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. Desire 12

    2730 mAh

    +900 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. Desire 122. Lumia 638

Everyday essentials
Everyday essentials — specifications for Desire 12, Lumia 638.
SpecificationDesire 12Lumia 638
Dimensions (HxWxD)
  • 148.5 Х 70.8 Х 8.2 mm
  • 129.5 Х 66.7 Х 9.2 mm
Weight
  • 137 g
  • 136 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 4.5" inch
Screen resolution
  • 720 x 1440 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 RAM 16 GB
  • 2 GB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 512 GB (dedicated slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2730 mAh
  • Non-removable Li-Ion
  • 1830 mAh
  • Removable Li-Ion
Operating system OS
  • Android 7.x (Nougat)
  • Microsoft Windows Phone 8.1
Chipset
  • Mediatek MT6739 (28 nm)
  • Qualcomm Snapdragon 400 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Desire 12, Lumia 638.
SpecificationDesire 12Lumia 638
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 78.1 cm2
  • 55.8 cm2
Screen format
  • 18:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 74.2%
  • 64.6%
PPI /points per inch/
  • 293 PPI
  • 218 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Desire 12, Lumia 638.
SpecificationDesire 12Lumia 638
Rear camera, main
  • 13 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 13 MP
  • f/2.2
  • PDAF
  • 5 MP
  • 1/4''
  • AF
Functions
  • LED flash
  • HDR
  • panorama
  • panorama
Video
  • 720p
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 0 MP,
Specifications
  • 5 MP
  • f/2.4
  • 1/5'' 1.12µm
Unknown
Performance

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

Performance — specifications for Desire 12, Lumia 638.
SpecificationDesire 12Lumia 638
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • PowerVR GE8100
  • Adreno 305
Antutu 7 score *
  • 35456
Unknown
General specs
General specs — specifications for Desire 12, Lumia 638.
SpecificationDesire 12Lumia 638
Release date
  • 2018
  • March
  • 2014
  • December
Colors
  • Cool Black
  • Warm Silver
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 130 EUR
  • 100 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Desire 12, Lumia 638.
SpecificationDesire 12Lumia 638
SIM card
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 40(2300)
  • 41(2500) - Global LTE band 2(1900)
  • 4(1700/2100)
  • 12(700)
  • 17(700)
  • 28(700) - USA
  • 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
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • 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
  • 4.2
  • A2DP
  • LE
  • 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 Desire 12, Lumia 638.
SpecificationDesire 12Lumia 638
Radio
  • To be confirmed
  • FM radio
Others
  • Active noise cancellation with dedicated mic
  • ClearBlack display
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Desire 12, Lumia 638.
SpecificationDesire 12Lumia 638
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer