Samsung i637 Jack vs Sony Xperia X

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: 50.9 g lighter

    i637 Jack:
    102.1 g
    Xperia X:
    153 g
  • Width

    i637 Jack: 8 mm narrower

    i637 Jack:
    61 mm
    Xperia X:
    69 mm
  • Screen diagonal

    i637 Jack: 2.6 in smaller diagonal

    i637 Jack:
    2.4 in
    Xperia X:
    5 in
  • Depth

    Xperia X: 5 mm thinner

    i637 Jack:
    12.7 mm
    Xperia X:
    7.7 mm
  • Height

    i637 Jack: 26 mm shorter

    i637 Jack:
    117 mm
    Xperia X:
    143 mm
  • Release year

    i637 Jack:
    2009
    Xperia X:
    2016

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. i637 Jack

    Height:
    117 mm
    Width:
    61 mm
    Depth:
    12.7 mm +5 mm versus Xperia X
  2. 2. Xperia X

    Height:
    143 mm +26 mm versus i637 Jack
    Width:
    69 mm +8 mm versus i637 Jack
    Depth:
    7.7 mm

Weight

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

  1. 1. i637 Jack

    102.1 g

  2. 2. Xperia X

    153 g

    +50.9 g versus i637 Jack

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. i637 Jack

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

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

Xperia X has approximately 286.4% 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.

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

i637 Jack: Original memory entry

256 MB RAM · 256 MB ROM

Xperia X: Original memory entry

32 GB · 3 GB RAM - F512164 GB · 3 GB RAM - F5122

Practical features

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

1. i637 Jack

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 16 GB (dedicated slot)

2. Xperia X

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 slot) - dual SIM model only

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. i637 Jack

    1480 mAh

  2. 2. Xperia X

    2620 mAh

    +1140 mAh versus i637 Jack

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. i637 Jack2. Xperia X

Everyday essentials
Everyday essentials — specifications for i637 Jack, Xperia X.
Specificationi637 JackXperia X
Dimensions (HxWxD)
  • 117 Х 61 Х 12.7 mm
  • 143 Х 69 Х 7.7 mm
Weight
  • 102.1 g
  • 153 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.4" inch
  • 5" inch
Screen resolution
  • 320 x 240 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 256 MB RAM
  • 256 MB ROM
  • 32 GB
  • 3 GB RAM - F512164 GB
  • 3 GB RAM - F5122
Memory card support
  • microSD
  • up to 16 GB (dedicated slot)
  • microSD
  • up to 256 GB (uses SIM 2 slot) - dual SIM model only
Battery Capacity is not battery life. No endurance test is implied.
  • 1480 mAh
  • Removable Li-Ion
  • 2620 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.1 Standard
  • upgradable to Windows Mobile 6.5
  • Android 6.0.1 (Marshmallow)
  • upgradable to Android 8.0 (Oreo)
Chipset Unknown
  • Qualcomm MSM8956 Snapdragon 650
NFC Unknown
  • Yes
Headphone jack
  • No
  • Yes
Display
Display — specifications for i637 Jack, Xperia X.
Specificationi637 JackXperia X
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 17.8 cm2
  • 68.9 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 25.0%
  • 69.8%
PPI /points per inch/
  • 167 PPI
  • 441 PPI
Screen protection Unknown
  • Scratch-resistant glass
  • oleophobic coating
Camera and Video
Camera and Video — specifications for i637 Jack, Xperia X.
Specificationi637 JackXperia X
Rear camera, main
  • 3.15 MP
  • Single
  • 23 MP
  • Single
Camera specs
  • 3.15 MP
  • 23 MP
  • f/2.0
  • 24mm (wide)
  • 1/2.3''
  • PDAF
Functions Unknown
  • LED flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 13 MP
  • Single
Specifications Unknown
  • 13 MP
  • f/2.0
  • 22mm (wide)
  • 1/3''
Performance

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

Performance — specifications for i637 Jack, Xperia X.
Specificationi637 JackXperia X
Processor CPU
  • 528 MHz
  • Hexa-core (4x1.4 GHz Cortex-A53 & 2x1.8 GHz Cortex-A72)
Graphics processor GPU Unknown
  • Adreno 510
Antutu 7 score * Unknown
  • 93268
GeekBench 4 Single Core * Unknown
  • 1373
GeekBench 4 Multi-Core * Unknown
  • 3282
GeekBench 5 Single Core * Unknown
  • 269
GeekBench 5 Multi-Core * Unknown
  • 714
General specs
General specs — specifications for i637 Jack, Xperia X.
Specificationi637 JackXperia X
Release date
  • 2009
  • May
  • 2016
  • February
Colors Unknown
  • White
  • Graphite black
  • Lime Gold
  • Rose Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 120 EUR
  • 200 EUR
Battery life
  • Stand by time- Up to 288 h Talking time- Up to 7 h
Unknown
Body build Unknown
  • Front/back glass & aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for i637 Jack, Xperia X.
Specificationi637 JackXperia X
SIM card
  • Mini-SIM
  • Single SIM (Nano-SIM)Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - F5121
  • F5122 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 19(800)
  • 20(800)
  • 26(850)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - F5121
  • F5122
Speed
  • HSPA 3.6/0.384 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A Cat6 300/50 Mbps
GPRS
  • Class 10
  • Up to 107 kbps
Edge
  • Class 10
  • Up to 296 kbps
Wi-Fi
  • Wi-Fi 802.11 b/g
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 2.0
  • A2DP
  • 4.2
  • A2DP
  • aptX
  • LE
Harmful irradiation
  • SAR - 1.04 W/kg (head) 0.53 W/kg (body)
  • SAR - 0.97 W/kg (head) 0.97 W/kg (body) SAR EU - 0.72 W/kg (head) 1.23 W/kg (body)
Music and Audio
Music and Audio — specifications for i637 Jack, Xperia X.
Specificationi637 JackXperia X
Radio
  • No
  • FM radio
  • RDS
Others Unknown
  • Triluminos display -X-Reality Engine
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for i637 Jack, Xperia X.
Specificationi637 JackXperia X
Dop
  • Windows Media Player 10 -Windows Live
  • Yahoo!
  • AOL -Microsoft Outlook Mobile -Pocket Office -Voice memo/dial -Predictive text input - For AT&T
  • Sensors Fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • barometer
  • compass - Fast battery charging (Quick Charge 2.0) - Also known as Sony Xperia X Dual F5122 with dual-SIM card slots