Lenovo K900 vs Microsoft Lumia 550

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

    Lumia 550: 20.1 g lighter

    K900:
    162 g
    Lumia 550:
    141.9 g
  • Width

    Lumia 550: 10.2 mm narrower

    K900:
    78 mm
    Lumia 550:
    67.8 mm
  • Screen diagonal

    Lumia 550: 0.8 in smaller diagonal

    K900:
    5.5 in
    Lumia 550:
    4.7 in
  • Chipset

    K900:
    Intel Atom Z2580
    Lumia 550:
    Qualcomm MSM8909 Snapdragon 210 (28 nm)
  • Depth

    K900: 3 mm thinner

    K900:
    6.9 mm
    Lumia 550:
    9.9 mm
  • Height

    Lumia 550: 20.9 mm shorter

    K900:
    157 mm
    Lumia 550:
    136.1 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. K900

    Height:
    157 mm +20.9 mm versus Lumia 550
    Width:
    78 mm +10.2 mm versus Lumia 550
    Depth:
    6.9 mm
  2. 2. Lumia 550

    Height:
    136.1 mm
    Width:
    67.8 mm
    Depth:
    9.9 mm +3 mm versus K900

Weight

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

  1. 1. K900

    162 g

    +20.1 g versus Lumia 550

  2. 2. Lumia 550

    141.9 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. K900

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Lumia 550

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

K900 has approximately 36.9% more rectangular screen area than Lumia 550.

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 K900, Lumia 550, compared at the same storage capacity.
StorageK900Lumia 550
8 GB Not recorded 1 GB RAM
16 GB 2 GB RAM Not recorded
32 GB 2 GB RAM Not recorded

Practical features

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

1. K900

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

2. Lumia 550

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (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. K900

    2500 mAh

    +400 mAh versus Lumia 550

  2. 2. Lumia 550

    2100 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. K9002. Lumia 550

Everyday essentials
Everyday essentials — specifications for K900, Lumia 550.
SpecificationK900Lumia 550
Dimensions (HxWxD)
  • 157 Х 78 Х 6.9 mm
  • 136.1 Х 67.8 Х 9.9 mm
Weight
  • 162 g
  • 141.9 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 4.7" inch
Screen resolution
  • 1080 x 1920 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16/32 GB
  • 2 GB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • No
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2500 mAh
  • Non-removable Li-Po
  • 2100 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.2 (Jelly Bean)
  • Microsoft Windows 10
Chipset
  • Intel Atom Z2580
  • Qualcomm MSM8909 Snapdragon 210 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for K900, Lumia 550.
SpecificationK900Lumia 550
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 59.7 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 68.1%
  • 64.7%
PPI /points per inch/
  • 401 PPI
  • 315 PPI
Screen protection
  • Corning Gorilla Glass 2
Unknown
Camera and Video
Camera and Video — specifications for K900, Lumia 550.
SpecificationK900Lumia 550
Rear camera, main
  • 13 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • 5 MP
  • f/2.4
  • 1/4''
  • AF
Functions
  • Dual-LED flash
  • LED flash
Video
  • 1080p@30fps
  • 480p
Front camera, selfie
  • 2 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 2 MP
  • 2 MP
  • f/2.8
Performance

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

Performance — specifications for K900, Lumia 550.
SpecificationK900Lumia 550
Processor CPU
  • Dual-core 2.0 GHz
  • Quad-core 1.1 GHz Cortex-A7
Graphics processor GPU
  • PowerVR SGX544MP2
  • Adreno 304
Antutu 7 score *
  • 27313
  • 24153
General specs
General specs — specifications for K900, Lumia 550.
SpecificationK900Lumia 550
Release date
  • 2013
  • January. Released 2013
  • April
  • 2015
  • October
Colors
  • Black/Gray
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 360 EUR
  • 90 EUR
Battery life
  • Stand by time- Up to 300 h (2G) / Up to 300 h (3G) Talking time- Up to 15 h (2G) / Up to 12 h (3G)
  • Stand by time- Up to 672 h (2G) / Up to 672 h (3G) Talking time- Up to 16 h (2G) / Up to 14 h (3G) Music play - Up to 60 h
Communication and Connectivity
Communication and Connectivity — specifications for K900, Lumia 550.
SpecificationK900Lumia 550
SIM card
  • Micro-SIM
  • Nano-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800)
Speed
  • HSPA
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual band
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • USB Host
  • microUSB 2.0
Bluetooth
  • 3.0
  • A2DP
  • 4.1
  • A2DP
Music and Audio
Music and Audio — specifications for K900, Lumia 550.
SpecificationK900Lumia 550
Radio
  • Stereo FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for K900, Lumia 550.
SpecificationK900Lumia 550
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity