Samsung i640 vs ZTE Blade Force

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

    i640: 22.1 g lighter

    i640:
    148 g
    Blade Force:
    170.1 g
  • Width

    i640: 17 mm narrower

    i640:
    61 mm
    Blade Force:
    78 mm
  • Screen diagonal

    i640: 3.1 in smaller diagonal

    i640:
    2.4 in
    Blade Force:
    5.5 in
  • Depth

    Blade Force: 7.8 mm thinner

    i640:
    16.9 mm
    Blade Force:
    9.1 mm
  • Height

    i640: 61.6 mm shorter

    i640:
    94.4 mm
    Blade Force:
    156 mm
  • Release year

    i640:
    2008
    Blade Force:
    2017

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. i640

    Height:
    94.4 mm
    Width:
    61 mm
    Depth:
    16.9 mm +7.8 mm versus Blade Force
  2. 2. Blade Force

    Height:
    156 mm +61.6 mm versus i640
    Width:
    78 mm +17 mm versus i640
    Depth:
    9.1 mm

Weight

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

  1. 1. i640

    148 g

  2. 2. Blade Force

    170.1 g

    +22.1 g versus i640

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. i640

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

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

Blade Force 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 i640, Blade Force, compared at the same storage capacity.
Storagei640Blade Force
16 GB Unknown 2 GB RAM
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. i640

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (dedicated slot)

2. Blade Force

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB

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. i640

    1000 mAh

  2. 2. Blade Force

    3000 mAh

    +2000 mAh versus i640

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. i6402. Blade Force

Everyday essentials
Everyday essentials — specifications for i640, Blade Force.
Specificationi640Blade Force
Dimensions (HxWxD)
  • 94.4 Х 61 Х 16.9 mm
  • 156 Х 78 Х 9.1 mm
Weight
  • 148 g
  • 170.1 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.4" inch
  • 5.5" inch
Screen resolution
  • 320 x 240 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 128 MB ROM
  • 16 GB
  • 2 GB RAM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 128 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1000 mAh
  • Removable Li-Ion
  • 3000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.0 Standard
  • Android 7.1.1 (Nougat)
Chipset Unknown
  • Qualcomm MSM8920 Snapdragon 427 (28 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for i640, Blade Force.
Specificationi640Blade Force
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 17.8 cm2
  • 83.4 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 31.0%
  • 68.5%
PPI /points per inch/
  • 167 PPI
  • 267 PPI
Camera and Video
Camera and Video — specifications for i640, Blade Force.
Specificationi640Blade Force
Rear camera, main
  • 2 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 2 MP
  • 8 MP
  • AF
Functions Unknown
  • LED flash
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • VGA videocall camera
  • 5 MP
Performance

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

Performance — specifications for i640, Blade Force.
Specificationi640Blade Force
Processor CPU
  • 32-bit Intel XScale PXA270 416 MHz
  • Quad-core 1.4 GHz Cortex-A53
Graphics processor GPU Unknown
  • Adreno 308
Antutu 7 score * Unknown
  • 35215
General specs
General specs — specifications for i640, Blade Force.
Specificationi640Blade Force
Release date
  • 2008
  • February
  • 2017
  • October
Colors
  • Silver
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 130 USD
Battery life
  • Stand by time- Up to 250 h Talking time- Up to 6 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for i640, Blade Force.
Specificationi640Blade Force
SIM card
  • Mini-SIM
  • Nano-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 CDMA 800 / 1900 -3G - HSDPA 850 / 1700(AWS) / 1900 -4G - LTE
Speed
  • HSPA 3.6/0.384 Mbps
  • HSPA
  • LTE Cat4 150/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • 1.1
  • microUSB 2.0
Bluetooth
  • 2.0
  • 4.2
  • A2DP
Harmful irradiation
  • SAR - 1.18 W/kg (head) 1.12 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for i640, Blade Force.
Specificationi640Blade Force
Radio
  • No
  • No
Others
  • Jog Dial
Unknown
Other features
Other features — specifications for i640, Blade Force.
Specificationi640Blade Force
Dop
  • WMV/3GP/MP4 player -WMA/MP3/AAC+ player -Organizer -Pocket Office -Voice memo
  • Sensors Accelerometer For Boost Mobile