Lenovo Z6 Pro 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

    i550: 76 g lighter

    Z6 Pro:
    185 g
    i550:
    109 g
  • Width

    i550: 21.6 mm narrower

    Z6 Pro:
    74.6 mm
    i550:
    53 mm
  • Screen diagonal

    i550: 3.79 in smaller diagonal

    Z6 Pro:
    6.39 in
    i550:
    2.6 in
  • Chipset

    Z6 Pro:
    Qualcomm SDM855 Snapdragon 855 (7 nm)
    i550:
    TI OMAP 2430
  • Rear camera layout

    Z6 Pro:
    Quad
    i550:
    Single
  • Depth

    Z6 Pro: 5.1 mm thinner

    Z6 Pro:
    8.7 mm
    i550:
    13.8 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. Z6 Pro

    Height:
    157.5 mm +42.5 mm versus i550
    Width:
    74.6 mm +21.6 mm versus i550
    Depth:
    8.7 mm
  2. 2. i550

    Height:
    115 mm
    Width:
    53 mm
    Depth:
    13.8 mm +5.1 mm versus Z6 Pro

Weight

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

  1. 1. Z6 Pro

    185 g

    +76 g versus i550

  2. 2. i550

    109 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. Z6 Pro

    Screen diagonal:
    6.39 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    100.2 cm²
  2. 2. i550

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

Z6 Pro has approximately 378.8% 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.

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

Z6 Pro: Original memory entry

512 GB · 12 GB RAM 256 GB · 8 GB RAM 128 GB · 6/8 GB RAM

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. Z6 Pro

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 GB (uses shared SIM slot)

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. Z6 Pro

    4000 mAh

    +2800 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. Z6 Pro2. i550

Everyday essentials
Everyday essentials — specifications for Z6 Pro, i550.
SpecificationZ6 Proi550
Dimensions (HxWxD)
  • 157.5 Х 74.6 Х 8.7 mm
  • 115 Х 53 Х 13.8 mm
Weight
  • 185 g
  • 109 g
Technology
  • Super AMOLED
  • TFT
Screen size
  • 6.39" inch
  • 2.6" inch
Screen resolution
  • 1080 x 2340 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 GB
  • 12 GB RAM 256 GB
  • 8 GB RAM 128 GB
  • 6/8 GB RAM
  • 150 MB
Memory card support
  • microSD
  • up to 512 GB (uses shared SIM slot)
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Non-removable Li-Po
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie); ZUI 11
  • Symbian OS 9.2
  • Series 60 v3.1 UI
Chipset
  • Qualcomm SDM855 Snapdragon 855 (7 nm)
  • TI OMAP 2430
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Z6 Pro, i550.
SpecificationZ6 Proi550
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 256K
Screen area
  • 100.2 cm2
  • 20.9 cm2
Screen format
  • 19.5:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 85.3%
  • 34.3%
PPI /points per inch/
  • 403 PPI
  • 154 PPI
Camera and Video

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

Camera and Video — specifications for Z6 Pro, i550.
SpecificationZ6 Proi550
Rear camera, main
  • 48 MP
  • Quad
  • 3.15 MP
  • Single
Camera specs
  • 48 MP
  • f/1.8
  • PDAF -16 MP
  • f/2.2
  • 12mm (ultrawide) -8 MP
  • f/2.4
  • (telephoto)
  • PDAF -2 MP
  • 2.9µm
  • OIS
  • PDAF (dedicated video camera) -TOF 3D camera
  • 3.15 MP
  • AF
Functions
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 32 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 32 MP
  • f/2.0
  • 0.8µm
  • VGA videocall camera
DxOMark Main Score *
  • 97
Unknown
DxOMark Photo *
  • 85
Unknown
DxOMark Video *
  • 60
Unknown
DxOMark Selfie Score *
  • 75
Unknown
Performance

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

Performance — specifications for Z6 Pro, i550.
SpecificationZ6 Proi550
Processor CPU
  • Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
  • 330 MHz ARM 1136
Graphics processor GPU
  • Adreno 640
  • PowerVR MBX
Antutu 8 score *
  • 421553
Unknown
General specs
General specs — specifications for Z6 Pro, i550.
SpecificationZ6 Proi550
Release date
  • 2019
  • April
  • 2007
  • August
Colors
  • Red
  • Green
  • Black
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 400 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 Z6 Pro, i550.
SpecificationZ6 Proi550
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed
  • HSPA
  • LTE-A
  • HSPA 3.6/0.384 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g (Samsung i550w only)
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • 2.0
Bluetooth
  • 5.0
  • A2DP
  • EDR
  • LE
  • aptX HD
  • 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 Z6 Pro, i550.
SpecificationZ6 Proi550
Radio
  • No
  • FM radio
Others
  • DCI-P3 -HDR10
  • Dolby Atmos sound
Unknown
Other features
Other features — specifications for Z6 Pro, i550.
SpecificationZ6 Proi550
Dop
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 18W - For China
  • 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