Nokia 6720 classic vs Samsung i400

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

    i400: 18 g lighter

    6720 classic:
    110 g
    i400:
    92 g
  • Width

    6720 classic: 5 mm narrower

    6720 classic:
    45 mm
    i400:
    50 mm
  • Depth

    6720 classic: 1.8 mm thinner

    6720 classic:
    14 mm
    i400:
    15.8 mm
  • Height

    i400: 9 mm shorter

    6720 classic:
    110 mm
    i400:
    101 mm
  • Release year

    6720 classic:
    2009
    i400:
    2007

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. 6720 classic

    Height:
    110 mm +9 mm versus i400
    Width:
    45 mm
    Depth:
    14 mm
  2. 2. i400

    Height:
    101 mm
    Width:
    50 mm +5 mm versus 6720 classic
    Depth:
    15.8 mm +1.8 mm versus 6720 classic

Weight

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

  1. 1. 6720 classic

    110 g

    +18 g versus i400

  2. 2. i400

    92 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. 6720 classic

    Screen diagonal:
    2.2 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    15 cm²
  2. 2. i400

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

i400 has approximately 9.3% more rectangular screen area than 6720 classic.

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.

6720 classic: Original memory entry

50 MB

i400: Original memory entry

40 MB

Practical features

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

1. 6720 classic

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 16 GB (dedicated slot) · 1 GB included

2. i400

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.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. 6720 classic2. i400

Everyday essentials
Everyday essentials — specifications for 6720 classic, i400.
Specification6720 classici400
Dimensions (HxWxD)
  • 110 Х 45 Х 14 mm
  • 101 Х 50 Х 15.8 mm
Weight
  • 110 g
  • 92 g
Technology
  • TFT
  • TFT
Screen size
  • 2.2" inch
  • 2.3" inch
Screen resolution
  • 240 x 320 px
  • 320 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 50 MB
  • 40 MB
Memory card support
  • microSD
  • up to 16 GB (dedicated slot)
  • 1 GB included
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1050 mAh
  • Removable Li-Ion
  • 0 mAh,
Operating system OS
  • Symbian
  • S60 rel. 3.2
  • Symbian OS 9.2
  • Series 60 v3.1 UI
Chipset Unknown
  • TI OMAP 2430
Headphone jack
  • Yes
  • No
Display
Display — specifications for 6720 classic, i400.
Specification6720 classici400
Display colors
  • 16M
  • 256K
Screen area
  • 15.0 cm2
  • 16.4 cm2
Screen format
  • 4:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 30.3%
  • 32.4%
PPI /points per inch/
  • 182 PPI
  • 174 PPI
Camera and Video
Camera and Video — specifications for 6720 classic, i400.
Specification6720 classici400
Rear camera, main
  • 5 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 2 MP
Functions
  • Carl Zeiss optics
  • LED flash
Unknown
Video
  • 480p@15fps
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • QVGA videocall camera
Unknown
Performance
Performance — specifications for 6720 classic, i400.
Specification6720 classici400
Processor CPU
  • 600 MHz ARM 11
  • 330 MHz ARM 1136
Graphics processor GPU Unknown
  • PowerVR MBX
General specs
General specs — specifications for 6720 classic, i400.
Specification6720 classici400
Release date
  • 2009
  • February
  • 2007
  • April
Colors
  • Titanium
  • Grey
  • Brown
  • Black
  • Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 90 EUR
  • 290 EUR
Battery life
  • Stand by time- Up to 492 h (2G) / 504 h (3G) Talking time- Up to 8 h 30 min (2G) / 5 h (3G) Music play - Up to 27 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for 6720 classic, i400.
Specification6720 classici400
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Unknown
Speed
  • HSPA 10.2/2 Mbps
Unknown
GPRS
  • Class 32
  • Class 10
Edge
  • Class 32
  • 296 / 178.8 kbits
  • Yes
Wi-Fi
  • No
  • No
GPS
  • Yes
  • with A-GPS; Nokia Maps 3.0
  • No
USB
  • microUSB 2.0
  • 2.0
Bluetooth
  • 2.0
  • A2DP
  • 2.0
  • A2DP
Harmful irradiation
  • SAR - 0.96 W/kg (head) 0.53 W/kg (body) SAR EU - 0.69 W/kg (head)
  • SAR - 0.21 W/kg (head) 0.26 W/kg (body) SAR EU - 0.20 W/kg (head)
Music and Audio
Music and Audio — specifications for 6720 classic, i400.
Specification6720 classici400
Radio
  • Stereo FM radio
  • RDS
  • No
Others Unknown
  • Dual speaker
Other features
Other features — specifications for 6720 classic, i400.
Specification6720 classici400
Dop
  • WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Document viewer (Word
  • Excel
  • PowerPoint
  • PDF) -TV-out -Voice memo -Predictive text input
  • WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Document viewer (Word
  • Excel
  • PowerPoint
  • PDF) -Predictive text input -Voice memo/command -Organizer