QMobile Noir Z7 vs Samsung i550

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

    Noir Z7: 11.3 g lighter

    Noir Z7:
    97.7 g
    i550:
    109 g
  • Width

    i550: 14.4 mm narrower

    Noir Z7:
    67.4 mm
    i550:
    53 mm
  • Screen diagonal

    i550: 2.2 in smaller diagonal

    Noir Z7:
    4.8 in
    i550:
    2.6 in
  • Chipset

    Noir Z7:
    Mediatek MT6592 (28 nm)
    i550:
    TI OMAP 2430
  • Depth

    Noir Z7: 8.6 mm thinner

    Noir Z7:
    5.2 mm
    i550:
    13.8 mm
  • Height

    i550: 24.8 mm shorter

    Noir Z7:
    139.8 mm
    i550:
    115 mm

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. Noir Z7

    Height:
    139.8 mm +24.8 mm versus i550
    Width:
    67.4 mm +14.4 mm versus i550
    Depth:
    5.2 mm
  2. 2. i550

    Height:
    115 mm
    Width:
    53 mm
    Depth:
    13.8 mm +8.6 mm versus Noir Z7

Weight

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

  1. 1. Noir Z7

    97.7 g

  2. 2. i550

    109 g

    +11.3 g versus Noir Z7

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. Noir Z7

    Screen diagonal:
    4.8 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    63.5 cm²
  2. 2. i550

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

Noir Z7 has approximately 203.4% more rectangular screen area than i550.

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 Noir Z7, i550, compared at the same storage capacity.
StorageNoir Z7i550
16 GB 1 GB RAM Unknown
i550: Original memory entry

150 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. Noir Z7

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

2. i550

NFC:
Unknown
Headphone jack:
Yes
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. Noir Z7

    2050 mAh

    +850 mAh versus i550

  2. 2. i550

    1200 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. Noir Z72. i550

Everyday essentials
Everyday essentials — specifications for Noir Z7, i550.
SpecificationNoir Z7i550
Dimensions (HxWxD)
  • 139.8 Х 67.4 Х 5.2 mm
  • 115 Х 53 Х 13.8 mm
Weight
  • 97.7 g
  • 109 g
Technology
  • AMOLED
  • TFT
Screen size
  • 4.8" inch
  • 2.6" inch
Screen resolution
  • 720 x 1280 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 1 GB RAM
  • 150 MB
Memory card support
  • No
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2050 mAh
  • Non-removable Li-Ion
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Symbian OS 9.2
  • Series 60 v3.1 UI
Chipset
  • Mediatek MT6592 (28 nm)
  • TI OMAP 2430
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Noir Z7, i550.
SpecificationNoir Z7i550
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 256K
Screen area
  • 63.5 cm2
  • 20.9 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 67.4%
  • 34.3%
PPI /points per inch/
  • 306 PPI
  • 154 PPI
Camera and Video
Camera and Video — specifications for Noir Z7, i550.
SpecificationNoir Z7i550
Rear camera, main
  • 8 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 3.15 MP
  • AF
Functions
  • LED flash
  • panorama
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 5 MP
  • VGA videocall camera
Performance
Performance — specifications for Noir Z7, i550.
SpecificationNoir Z7i550
Processor CPU
  • Octa-core 1.7 GHz Cortex-A7
  • 330 MHz ARM 1136
Graphics processor GPU
  • Mali-450MP4
  • PowerVR MBX
General specs
General specs — specifications for Noir Z7, i550.
SpecificationNoir Z7i550
Release date
  • 2015
  • February
  • 2007
  • August
Colors
  • Black
  • Black
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 210 EUR
  • 130 EUR
Battery life Unknown
  • Stand by time- Up to 360 h Talking time- Up to 8 h
Communication and Connectivity
Communication and Connectivity — specifications for Noir Z7, i550.
SpecificationNoir Z7i550
SIM card
  • Micro-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA 3.6/0.384 Mbps
GPRS
  • Class 12
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g (Samsung i550w only)
GPS
  • Yes
  • with A-GPS
  • Yes
USB
  • microUSB 2.0
  • USB Host
  • 2.0
Bluetooth
  • 4.0
  • A2DP
  • 2.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.32 W/kg (head) 0.41 W/kg (body) SAR EU - 0.72 W/kg (head)
Music and Audio
Music and Audio — specifications for Noir Z7, i550.
SpecificationNoir Z7i550
Radio
  • Stereo FM radio
  • FM radio
Other features
Other features — specifications for Noir Z7, i550.
SpecificationNoir Z7i550
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Organizer -Document viewer (Word
  • Excel
  • PowerPoint
  • PDF) - Trackball - Also version Samsung i550w with WLAN