Motorola DROID RAZR M vs Samsung i637 Jack

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

    i637 Jack: 23.9 g lighter

    DROID RAZR M:
    126 g
    i637 Jack:
    102.1 g
  • Screen diagonal

    i637 Jack: 1.9 in smaller diagonal

    DROID RAZR M:
    4.3 in
    i637 Jack:
    2.4 in
  • Depth

    DROID RAZR M: 4.4 mm thinner

    DROID RAZR M:
    8.3 mm
    i637 Jack:
    12.7 mm
  • Height

    i637 Jack: 5.5 mm shorter

    DROID RAZR M:
    122.5 mm
    i637 Jack:
    117 mm
  • Release year

    DROID RAZR M:
    2012
    i637 Jack:
    2009

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. DROID RAZR M

    Height:
    122.5 mm +5.5 mm versus i637 Jack
    Width:
    60.9 mm
    Depth:
    8.3 mm
  2. 2. i637 Jack

    Height:
    117 mm
    Width:
    61 mm
    Depth:
    12.7 mm +4.4 mm versus DROID RAZR M

Weight

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

  1. 1. DROID RAZR M

    126 g

    +23.9 g versus i637 Jack

  2. 2. i637 Jack

    102.1 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. DROID RAZR M

    Screen diagonal:
    4.3 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    51 cm²
  2. 2. i637 Jack

    Screen diagonal:
    2.4 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    17.8 cm²

DROID RAZR M has approximately 185.8% more rectangular screen area than i637 Jack.

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 DROID RAZR M, i637 Jack, compared at the same storage capacity.
StorageDROID RAZR Mi637 Jack
8 GB 1 GB RAM Unknown
i637 Jack: Original memory entry

256 MB RAM · 256 MB ROM

Practical features

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

1. DROID RAZR M

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

2. i637 Jack

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 16 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. DROID RAZR M

    2000 mAh

    +520 mAh versus i637 Jack

  2. 2. i637 Jack

    1480 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. DROID RAZR M2. i637 Jack

Everyday essentials
Everyday essentials — specifications for DROID RAZR M, i637 Jack.
SpecificationDROID RAZR Mi637 Jack
Dimensions (HxWxD)
  • 122.5 Х 60.9 Х 8.3 mm
  • 117 Х 61 Х 12.7 mm
Weight
  • 126 g
  • 102.1 g
Technology
  • Super AMOLED
  • TFT
Screen size
  • 4.3" inch
  • 2.4" inch
Screen resolution
  • 540 x 960 px
  • 320 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 256 MB RAM
  • 256 MB ROM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 16 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Non-removable Li-Ion
  • 1480 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.0.4 (Ice Cream Sandwich)
  • upgradable to 4.4 (KitKat)
  • Microsoft Windows Mobile 6.1 Standard
  • upgradable to Windows Mobile 6.5
Chipset
  • Qualcomm MSM8960 Snapdragon S4 Plus
Unknown
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for DROID RAZR M, i637 Jack.
SpecificationDROID RAZR Mi637 Jack
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 65K
Screen area
  • 51.0 cm2
  • 17.8 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 68.3%
  • 25.0%
PPI /points per inch/
  • 256 PPI
  • 167 PPI
Screen protection
  • Corning Gorilla Glass
Unknown
Camera and Video
Camera and Video — specifications for DROID RAZR M, i637 Jack.
SpecificationDROID RAZR Mi637 Jack
Rear camera, main
  • 8 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 3.15 MP
Functions
  • LED flash
Unknown
Video
  • 720p
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA
Unknown
Performance

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

Performance — specifications for DROID RAZR M, i637 Jack.
SpecificationDROID RAZR Mi637 Jack
Processor CPU
  • Dual-core 1.5 GHz Krait
  • 528 MHz
Graphics processor GPU
  • Adreno 225
Unknown
Antutu 7 score *
  • 2950
Unknown
General specs
General specs — specifications for DROID RAZR M, i637 Jack.
SpecificationDROID RAZR Mi637 Jack
Release date
  • 2012
  • September
  • 2009
  • May
Colors
  • Black
  • White
Unknown
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
  • 120 EUR
Battery life
  • Stand by time- Up to 408 h Talking time- Up to 20 h
  • Stand by time- Up to 288 h Talking time- Up to 7 h
Communication and Connectivity
Communication and Connectivity — specifications for DROID RAZR M, i637 Jack.
SpecificationDROID RAZR Mi637 Jack
SIM card
  • Micro-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - CDMA 800 / 1900 GSM 850 / 900 / 1800 / 1900 -3G - CDMA2000 1xEV-DO HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 13(700)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE
  • EV-DO Rev.A 3.1 Mbps
  • HSPA 3.6/0.384 Mbps
GPRS
  • Class 12
  • Class 10
Edge
  • Class 12
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
  • DLNA
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • 2.0
Bluetooth
  • 4.0
  • EDR
  • LE
  • 2.0
  • A2DP
Harmful irradiation
  • SAR - 0.63 W/kg (head) 1.30 W/kg (body)
  • SAR - 1.04 W/kg (head) 0.53 W/kg (body)
Music and Audio
Music and Audio — specifications for DROID RAZR M, i637 Jack.
SpecificationDROID RAZR Mi637 Jack
Radio
  • No
  • No
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for DROID RAZR M, i637 Jack.
SpecificationDROID RAZR Mi637 Jack
Dop
  • Sensors Accelerometer
  • proximity
  • compass - MP3/AAC+/WAV/WMA player -MP4/H.264/WMV player -Organizer -Document viewer/editor -Voice memo/dial/commands -Predictive text input - Splash resistant - For Verizon
  • Windows Media Player 10 -Windows Live
  • Yahoo!
  • AOL -Microsoft Outlook Mobile -Pocket Office -Voice memo/dial -Predictive text input - For AT&T