Lenovo K900 vs Xiaomi Redmi 1S

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.

  • Width

    Redmi 1S: 9 mm narrower

    K900:
    78 mm
    Redmi 1S:
    69 mm
  • Screen diagonal

    Redmi 1S: 0.8 in smaller diagonal

    K900:
    5.5 in
    Redmi 1S:
    4.7 in
  • Chipset

    K900:
    Intel Atom Z2580
    Redmi 1S:
    Qualcomm MSM8228 Snapdragon 400 (28 nm)
  • Depth

    K900: 3 mm thinner

    K900:
    6.9 mm
    Redmi 1S:
    9.9 mm
  • Height

    Redmi 1S: 20 mm shorter

    K900:
    157 mm
    Redmi 1S:
    137 mm
  • Release year

    K900:
    2013
    Redmi 1S:
    2014

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 mm versus Redmi 1S
    Width:
    78 mm +9 mm versus Redmi 1S
    Depth:
    6.9 mm
  2. 2. Redmi 1S

    Height:
    137 mm
    Width:
    69 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

    +4 g versus Redmi 1S

  2. 2. Redmi 1S

    158 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. Redmi 1S

    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 Redmi 1S.

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, Redmi 1S, compared at the same storage capacity.
StorageK900Redmi 1S
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. Redmi 1S

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 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

    +500 mAh versus Redmi 1S

  2. 2. Redmi 1S

    2000 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. Redmi 1S

Everyday essentials
Everyday essentials — specifications for K900, Redmi 1S.
SpecificationK900Redmi 1S
Dimensions (HxWxD)
  • 157 Х 78 Х 6.9 mm
  • 137 Х 69 Х 9.9 mm
Weight
  • 162 g
  • 158 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 64 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2500 mAh
  • Non-removable Li-Po
  • 2000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.2 (Jelly Bean)
  • Android 4.3 (Jelly Bean)
  • upgradable to 4.4.4 (KitKat); MIUI 9.2
Chipset
  • Intel Atom Z2580
  • Qualcomm MSM8228 Snapdragon 400 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for K900, Redmi 1S.
SpecificationK900Redmi 1S
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 60.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 68.1%
  • 64.4%
PPI /points per inch/
  • 401 PPI
  • 312 PPI
Screen protection
  • Corning Gorilla Glass 2
  • Asahi Dragontrail Glass
Camera and Video
Camera and Video — specifications for K900, Redmi 1S.
SpecificationK900Redmi 1S
Rear camera, main
  • 13 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • 8 MP
  • f/2.2
  • 1/3.2''
  • 1.4µm
  • AF
Functions
  • Dual-LED flash
  • LED flash
  • HDR
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 1.6 MP
  • Single
Specifications
  • 2 MP
  • 1.6 MP
Performance

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

Performance — specifications for K900, Redmi 1S.
SpecificationK900Redmi 1S
Processor CPU
  • Dual-core 2.0 GHz
  • Quad-core 1.6 GHz Cortex-A7
Graphics processor GPU
  • PowerVR SGX544MP2
  • Adreno 305
Antutu 7 score *
  • 27313
Unknown
GeekBench 4 Single Core * Unknown
  • 485
GeekBench 4 Multi-Core * Unknown
  • 1264
GeekBench 4 RenderScript * Unknown
  • 2619
General specs
General specs — specifications for K900, Redmi 1S.
SpecificationK900Redmi 1S
Release date
  • 2013
  • January. Released 2013
  • April
  • 2014
  • May
Colors
  • Black/Gray
  • Black
  • Chinese Red
  • Metallic Gray/ blue
  • Green
  • yellow panels
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)
Unknown
Body build Unknown
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for K900, Redmi 1S.
SpecificationK900Redmi 1S
SIM card
  • Micro-SIM
  • Dual SIM (Mini-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed
  • HSPA
  • HSPA
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
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • USB Host
  • microUSB 2.0
  • USB Host
Bluetooth
  • 3.0
  • A2DP
  • 4.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for K900, Redmi 1S.
SpecificationK900Redmi 1S
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, Redmi 1S.
SpecificationK900Redmi 1S
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Also known as Xiaomi Hongmi 1S