Lenovo K900 vs vivo Y28

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

    Y28: 6 g lighter

    K900:
    162 g
    Y28:
    156 g
  • Width

    Y28: 9.4 mm narrower

    K900:
    78 mm
    Y28:
    68.6 mm
  • Screen diagonal

    Y28: 0.8 in smaller diagonal

    K900:
    5.5 in
    Y28:
    4.7 in
  • Chipset

    K900:
    Intel Atom Z2580
    Y28:
    Mediatek MT6582 (28 nm)
  • Depth

    K900: 2.9 mm thinner

    K900:
    6.9 mm
    Y28:
    9.8 mm
  • Height

    Y28: 19.6 mm shorter

    K900:
    157 mm
    Y28:
    137.4 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 +19.6 mm versus Y28
    Width:
    78 mm +9.4 mm versus Y28
    Depth:
    6.9 mm
  2. 2. Y28

    Height:
    137.4 mm
    Width:
    68.6 mm
    Depth:
    9.8 mm +2.9 mm versus K900

Weight

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

  1. 1. K900

    162 g

    +6 g versus Y28

  2. 2. Y28

    156 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. Y28

    Screen diagonal:
    4.7 in
    Aspect ratio (height:width):
    16:10
    Approximate rectangular screen area:
    64.1 cm²

K900 has approximately 30.2% more rectangular screen area than Y28.

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, Y28, compared at the same storage capacity.
StorageK900Y28
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. Y28

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 Y28

  2. 2. Y28

    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. Y28

Everyday essentials
Everyday essentials — specifications for K900, Y28.
SpecificationK900Y28
Dimensions (HxWxD)
  • 157 Х 78 Х 6.9 mm
  • 137.4 Х 68.6 Х 9.8 mm
Weight
  • 162 g
  • 156 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 4.7" inch
Screen resolution
  • 1080 x 1920 px
  • 540 x 960 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-Po
Operating system OS
  • Android 4.2 (Jelly Bean)
  • Android 4.2.2 (Jelly Bean)
Chipset
  • Intel Atom Z2580
  • Mediatek MT6582 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for K900, Y28.
SpecificationK900Y28
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 64.2 cm2
Screen format
  • 16:9 (height:width)
  • 16:10 (height:width)
Screen to body ratio
  • 68.1%
  • 68.1%
PPI /points per inch/
  • 401 PPI
  • 216 PPI
Screen protection
  • Corning Gorilla Glass 2
Unknown
Camera and Video
Camera and Video — specifications for K900, Y28.
SpecificationK900Y28
Rear camera, main
  • 13 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • 8 MP
  • AF
Functions
  • Dual-LED flash
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 2 MP
  • 5 MP
Performance

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

Performance — specifications for K900, Y28.
SpecificationK900Y28
Processor CPU
  • Dual-core 2.0 GHz
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • PowerVR SGX544MP2
  • Mali-400MP2
Antutu 7 score *
  • 27313
Unknown
General specs
General specs — specifications for K900, Y28.
SpecificationK900Y28
Release date
  • 2013
  • January. Released 2013
  • April
  • 2014
  • December
Colors
  • Black/Gray
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 360 EUR
  • 100 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 430 h (2G) / Up to 430 h (3G) Talking time- Up to 14 h (2G) / Up to 13 h (3G) Music play - Up to 32 h
Communication and Connectivity
Communication and Connectivity — specifications for K900, Y28.
SpecificationK900Y28
SIM card
  • Micro-SIM
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA
  • HSPA 21.1/5.76 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
USB
  • microUSB 2.0
  • USB Host
  • microUSB 2.0
Bluetooth
  • 3.0
  • A2DP
  • 4.0
  • A2DP
  • EDR
Music and Audio
Music and Audio — specifications for K900, Y28.
SpecificationK900Y28
Radio
  • Stereo FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for K900, Y28.
SpecificationK900Y28
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity
  • compass
  • Infrared port