alcatel Idol 4s vs Samsung i640

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

    i640: 14.4 mm narrower

    Idol 4s:
    75.4 mm
    i640:
    61 mm
  • Screen diagonal

    i640: 3.1 in smaller diagonal

    Idol 4s:
    5.5 in
    i640:
    2.4 in
  • Depth

    Idol 4s: 9.9 mm thinner

    Idol 4s:
    7 mm
    i640:
    16.9 mm
  • Height

    i640: 59.5 mm shorter

    Idol 4s:
    153.9 mm
    i640:
    94.4 mm
  • Release year

    Idol 4s:
    2016
    i640:
    2008

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. Idol 4s

    Height:
    153.9 mm +59.5 mm versus i640
    Width:
    75.4 mm +14.4 mm versus i640
    Depth:
    7 mm
  2. 2. i640

    Height:
    94.4 mm
    Width:
    61 mm
    Depth:
    16.9 mm +9.9 mm versus Idol 4s

Weight

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

  1. 1. Idol 4s

    149 g

    +1 g versus i640

  2. 2. i640

    148 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. Idol 4s

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. i640

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

Idol 4s has approximately 367.5% more rectangular screen area than i640.

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 Idol 4s, i640, compared at the same storage capacity.
StorageIdol 4si640
32 GB 3 GB RAM Unknown
i640: Original memory entry

64 MB RAM · 128 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. Idol 4s

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

2. i640

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (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. Idol 4s

    3000 mAh

    +2000 mAh versus i640

  2. 2. i640

    1000 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. Idol 4s2. i640

Everyday essentials
Everyday essentials — specifications for Idol 4s, i640.
SpecificationIdol 4si640
Dimensions (HxWxD)
  • 153.9 Х 75.4 Х 7 mm
  • 94.4 Х 61 Х 16.9 mm
Weight
  • 149 g
  • 148 g
Technology
  • AMOLED
  • TFT
Screen size
  • 5.5" inch
  • 2.4" inch
Screen resolution
  • 1440 x 2560 px
  • 320 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 64 MB RAM
  • 128 MB ROM
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot)
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Ion
  • 1000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 6.0.1 (Marshmallow)
  • Microsoft Windows Mobile 6.0 Standard
Chipset
  • Qualcomm MSM8976 Snapdragon 652 (28 nm)
Unknown
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Idol 4s, i640.
SpecificationIdol 4si640
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 65K
Screen area
  • 83.4 cm2
  • 17.8 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 71.9%
  • 31.0%
PPI /points per inch/
  • 534 PPI
  • 167 PPI
Camera and Video
Camera and Video — specifications for Idol 4s, i640.
SpecificationIdol 4si640
Rear camera, main
  • 16 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 16 MP
  • PDAF
  • f/2.0
  • 2 MP
Functions
  • LED flash
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 8 MP
  • VGA videocall camera
Performance

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

Performance — specifications for Idol 4s, i640.
SpecificationIdol 4si640
Processor CPU
  • Octa-core (4x1.8 GHz Cortex-A72 & 4x1.4 GHz Cortex-A53)
  • 32-bit Intel XScale PXA270 416 MHz
Graphics processor GPU
  • Adreno 510
Unknown
Antutu 7 score *
  • 85326
Unknown
GeekBench 4 Single Core *
  • 1414
Unknown
GeekBench 4 Multi-Core *
  • 3088
Unknown
GeekBench 4 RenderScript *
  • 3904
Unknown
General specs
General specs — specifications for Idol 4s, i640.
SpecificationIdol 4si640
Release date
  • 2016
  • February
  • 2008
  • February
Colors
  • Gold
  • Dark Gray
  • Rose Gold
  • Metal Silver
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 220 EUR
  • 150 EUR
Battery life
  • Stand by time- Up to 420 h (2G) / Up to 420 h (3G) Talking time- Up to 13 h (2G) / Up to 13 h (3G)
  • Stand by time- Up to 250 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for Idol 4s, i640.
SpecificationIdol 4si640
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by) - 6070K
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional) -3G - HSDPA 850 / 900 / 1900 / 2100 - 6070K
  • 6070Y HSDPA 850 / 1700(AWS) / 1900 / 2100 - 6070O -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700) - 6070K
  • 6070Y LTE band 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 12(700)
  • 17(700) - 6070O
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 3.6/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • USB Host
  • 1.1
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 2.0
Harmful irradiation Unknown
  • SAR - 1.18 W/kg (head) 1.12 W/kg (body)
Music and Audio
Music and Audio — specifications for Idol 4s, i640.
SpecificationIdol 4si640
Radio
  • FM radio
  • RDS
  • No
Others
  • Hi-Fi audio -Active noise cancellation with dedicated mic
  • Jog Dial
Other features
Other features — specifications for Idol 4s, i640.
SpecificationIdol 4si640
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (Quick Charge 2.0) -Virtual Reality Goggles included
  • WMV/3GP/MP4 player -WMA/MP3/AAC+ player -Organizer -Pocket Office -Voice memo