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LG Class vs Samsung i640

Compare recorded specifications, size and practical differences.

+ Add a third phone

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: 10.8 mm narrower

    Class:
    71.8 mm
    i640:
    61 mm
  • Screen diagonal

    i640: 2.6 in smaller diagonal

    Class:
    5 in
    i640:
    2.4 in
  • Depth

    Class: 9.5 mm thinner

    Class:
    7.4 mm
    i640:
    16.9 mm
  • Height

    i640: 47.6 mm shorter

    Class:
    142 mm
    i640:
    94.4 mm
  • Release year

    Class:
    2015
    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. Class

    Height:
    142 mm +47.6 mm versus i640
    Width:
    71.8 mm +10.8 mm versus i640
    Depth:
    7.4 mm
  2. 2. i640

    Height:
    94.4 mm
    Width:
    61 mm
    Depth:
    16.9 mm +9.5 mm versus Class

Weight

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

  1. 1. Class

    150 g

    +2 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. Class

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

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

Class has approximately 286.4% 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.

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

Class: Original memory entry

16 GB · 1.5 GB RAM (H650E) · 2 GB RAM (F620S)

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. Class

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot) - F620SmicroSD · up to 32 GB (dedicated slot) - H650E

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. Class

    2050 mAh

    +1050 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. Class2. i640

Everyday essentials
Everyday essentials — specifications for Class, i640.
SpecificationClassi640
Dimensions (HxWxD)
  • 142 Х 71.8 Х 7.4 mm
  • 94.4 Х 61 Х 16.9 mm
Weight
  • 150 g
  • 148 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5" inch
  • 2.4" inch
Screen resolution
  • 720 x 1280 px
  • 320 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 1.5 GB RAM (H650E)
  • 2 GB RAM (F620S)
  • 64 MB RAM
  • 128 MB ROM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot) - F620SmicroSD
  • up to 32 GB (dedicated slot) - H650E
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2050 mAh
  • Non-removable Li-Ion
  • 1000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1.1 (Lollipop)
  • upgradаble to 6.0 (Marshmallow)
  • Microsoft Windows Mobile 6.0 Standard
Chipset
  • Qualcomm MSM8916 Snapdragon 410 (28 nm)
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Class, i640.
SpecificationClassi640
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 65K
Screen area
  • 68.9 cm2
  • 17.8 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 67.6%
  • 31.0%
PPI /points per inch/
  • 294 PPI
  • 167 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Class, i640.
SpecificationClassi640
Rear camera, main
  • 13 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 13 MP
  • 1/3''
  • AF
  • 2 MP
Functions
  • LED flash
  • HDR
  • panorama
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 8 MP
  • VGA videocall camera
Performance
Performance — specifications for Class, i640.
SpecificationClassi640
Processor CPU
  • Quad-core 1.2 GHz Cortex-A53
  • 32-bit Intel XScale PXA270 416 MHz
Graphics processor GPU
  • Adreno 306
Unknown
General specs
General specs — specifications for Class, i640.
SpecificationClassi640
Release date
  • 2015
  • September
  • 2008
  • February
Colors
  • Gold
  • Silver
  • Blue
  • Black
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 190 EUR
  • 150 EUR
Battery life
  • Stand by time- Up to 340 h (2G) / Up to 340 h (3G) Talking time- Up to 6 h (2G) / Up to 10 h (3G)
  • Stand by time- Up to 250 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for Class, i640.
SpecificationClassi640
SIM card
  • Nano-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800) - H650E
  • 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
  • Class 33
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • No
USB
  • microUSB 2.0
  • 1.1
Bluetooth
  • 4.1
  • A2DP
  • 2.0
Harmful irradiation Unknown
  • SAR - 1.18 W/kg (head) 1.12 W/kg (body)
Music and Audio
Music and Audio — specifications for Class, i640.
SpecificationClassi640
Radio
  • FM radio
  • RDS
  • No
Others Unknown
  • Jog Dial
Other features
Other features — specifications for Class, i640.
SpecificationClassi640
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Also known as LG Class
  • WMV/3GP/MP4 player -WMA/MP3/AAC+ player -Organizer -Pocket Office -Voice memo