Nokia Lumia 635 vs Samsung Galaxy M20

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 635: 52 g lighter

    Lumia 635:
    134 g
    Galaxy M20:
    186 g
  • Width

    Lumia 635: 7.8 mm narrower

    Lumia 635:
    66.7 mm
    Galaxy M20:
    74.5 mm
  • Screen diagonal

    Lumia 635: 1.8 in smaller diagonal

    Lumia 635:
    4.5 in
    Galaxy M20:
    6.3 in
  • Chipset

    Lumia 635:
    Qualcomm Snapdragon 400 (28 nm)
    Galaxy M20:
    Exynos 7904 Octa (14 nm)
  • Rear camera layout

    Lumia 635:
    Single
    Galaxy M20:
    Dual
  • Height

    Lumia 635: 26.9 mm shorter

    Lumia 635:
    129.5 mm
    Galaxy M20:
    156.4 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 635

    Height:
    129.5 mm
    Width:
    66.7 mm
    Depth:
    9.2 mm
  2. 2. Galaxy M20

    Height:
    156.4 mm +26.9 mm versus Lumia 635
    Width:
    74.5 mm +7.8 mm versus Lumia 635
    Depth:
    8.8 mm

Weight

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

  1. 1. Lumia 635

    134 g

  2. 2. Galaxy M20

    186 g

    +52 g versus Lumia 635

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 635

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. Galaxy M20

    Screen diagonal:
    6.3 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    97.4 cm²

Galaxy M20 has approximately 74.5% more rectangular screen area than Lumia 635.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Lumia 635: Original memory entry

8 GB · 512 MB/ 1 GB RAM

Galaxy M20: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 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 635

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

2. Galaxy M20

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 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. Lumia 635

    1830 mAh

  2. 2. Galaxy M20

    5000 mAh

    +3170 mAh versus Lumia 635

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 6352. Galaxy M20

Everyday essentials
Everyday essentials — specifications for Lumia 635, Galaxy M20.
SpecificationLumia 635Galaxy M20
Dimensions (HxWxD)
  • 129.5 Х 66.7 Х 9.2 mm
  • 156.4 Х 74.5 Х 8.8 mm
Weight
  • 134 g
  • 186 g
Technology
  • IPS LCD
  • PLS TFT
Screen size
  • 4.5" inch
  • 6.3" inch
Screen resolution
  • 480 x 854 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 512 MB/ 1 GB RAM
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 512 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1830 mAh
  • Removable Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Phone 8.1
  • Android 8.1 (Oreo); Experience 9.5
Chipset
  • Qualcomm Snapdragon 400 (28 nm)
  • Exynos 7904 Octa (14 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Lumia 635, Galaxy M20.
SpecificationLumia 635Galaxy M20
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 54.3 cm2
  • 97.4 cm2
Screen format
  • 16:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 62.9%
  • 83.6%
PPI /points per inch/
  • 221 PPI
  • 409 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Lumia 635, Galaxy M20.
SpecificationLumia 635Galaxy M20
Rear camera, main
  • 5 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 5 MP
  • 1/4''
  • AF
  • 13 MP
  • f/1.9
  • 1/2.8''
  • 1.12µm
  • PDAF -5 MP
  • f/2.2
  • 12mm (ultrawide)
  • 1/6"
Functions
  • panorama
  • HDR
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 8 MP
  • Single
Specifications Unknown
  • 8 MP
  • f/2.0
Performance

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

Performance — specifications for Lumia 635, Galaxy M20.
SpecificationLumia 635Galaxy M20
Processor CPU
  • Quad-core 1.2 GHz Cortex-A7
  • Octa-core (2x1.8 GHz Kryo 260 Gold & 6x1.6 GHz Kryo 260 Silver)
Graphics processor GPU
  • Adreno 305
  • Mali-G71 MP2
Antutu 7 score *
  • 11986
  • 109326
GeekBench 5 Single Core * Unknown
  • 263
GeekBench 5 Multi-Core * Unknown
  • 959
General specs
General specs — specifications for Lumia 635, Galaxy M20.
SpecificationLumia 635Galaxy M20
Release date
  • 2014
  • April
  • 2019
  • January
Colors
  • Bright orange
  • Bright Green
  • bright yellow
  • White
  • Black
  • Ocean Blue
  • Charcoal Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 110 EUR
  • 150 EUR
Battery life
  • Stand by time- Up to 648 h Talking time- Up to 12 h (2G) / Up to 14 h (3G) Music play - Up to 58 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Lumia 635, Galaxy M20.
SpecificationLumia 635Galaxy M20
SIM card
  • Micro-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 2100 - RM-974 HSDPA 850 / 1700 / 1900 / 2100 - RM-975 -4G - LTE band 3(1800)
  • 7(2600)
  • 20(800) - RM-974 LTE band 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 17(700) - RM-975
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat3 100/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat12 600/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.0
  • A2DP
  • LE/ aptX after WP8 Denim update
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR - 0.97 W/kg (head) 0.77 W/kg (body) SAR EU - 0.75 W/kg (head) 0.79 W/kg (body)
  • SAR EU - 0.25 W/kg (head) 1.59 W/kg (body)
Music and Audio
Music and Audio — specifications for Lumia 635, Galaxy M20.
SpecificationLumia 635Galaxy M20
Radio
  • FM radio
  • FM radio
  • RDS
  • recording
Others
  • ClearBlack display
  • Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic -Dolby Atmos sound
Other features
Other features — specifications for Lumia 635, Galaxy M20.
SpecificationLumia 635Galaxy M20
Dop
  • Sensors Accelerometer
  • sensor core - Versions: RM-974 (Global); RM-975 (USA)
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 15W