Lenovo K4 Note vs Siemens SX45

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

    K4 Note: 172 g lighter

    K4 Note:
    158 g
    SX45:
    330 g
  • Width

    K4 Note: 10.5 mm narrower

    K4 Note:
    76.5 mm
    SX45:
    87 mm
  • Depth

    K4 Note: 16.8 mm thinner

    K4 Note:
    9.2 mm
    SX45:
    26 mm
  • Height

    SX45: 19.6 mm shorter

    K4 Note:
    153.6 mm
    SX45:
    134 mm
  • Release year

    K4 Note:
    2016
    SX45:
    2001

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. K4 Note

    Height:
    153.6 mm +19.6 mm versus SX45
    Width:
    76.5 mm
    Depth:
    9.2 mm
  2. 2. SX45

    Height:
    134 mm
    Width:
    87 mm +10.5 mm versus K4 Note
    Depth:
    26 mm +16.8 mm versus K4 Note

Weight

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

  1. 1. K4 Note

    158 g

  2. 2. SX45

    330 g

    +172 g versus K4 Note

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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. K4 Note

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. SX45

    SX45: Screen geometry unavailable or conflicting.

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.

K4 Note: Original memory entry

16 GB · 3 GB RAM - A7010 a488/16/32 GB · 2 GB RAM - A7010

SX45: Original memory entry

32 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. K4 Note

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

2. SX45

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

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. K4 Note

    3300 mAh

    +1750 mAh versus SX45

  2. 2. SX45

    1550 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. K4 Note2. SX45

Everyday essentials
Everyday essentials — specifications for K4 Note, SX45.
SpecificationK4 NoteSX45
Dimensions (HxWxD)
  • 153.6 Х 76.5 Х 9.2 mm
  • 134 Х 87 Х 26 mm
Weight
  • 158 g
  • 330 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.5" inch
  • 0" inch
Screen resolution
  • 1080 x 1920 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
  • 3 GB RAM - A7010 a488/16/32 GB
  • 2 GB RAM - A7010
  • 32 MB
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 3300 mAh
  • Non-removable Li-Po
  • 1550 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1.1 (Lollipop)
  • upgradable to 6.0 (Marshmallow)
  • Microsoft Windows CE 3.0 for PocketPC
Chipset
  • Mediatek MT6753 (28 nm)
Unknown
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for K4 Note, SX45.
SpecificationK4 NoteSX45
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 83.4 cm2
Unknown
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 71.0%
Unknown
PPI /points per inch/
  • 401 PPI
  • 0 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for K4 Note, SX45.
SpecificationK4 NoteSX45
Rear camera, main
  • 13 MP
  • Single
  • 0 MP,
Camera specs
  • 13 MP
  • PDAF
  • f/2.2
Unknown
Functions
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Unknown
Video
  • 1080p@30fps
Unknown
Front camera, selfie
  • 5 MP
  • Single
  • 0 MP,
Specifications
  • 5 MP
  • f/2.2
Unknown
Performance

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

Performance — specifications for K4 Note, SX45.
SpecificationK4 NoteSX45
Processor CPU
  • Octa-core 1.3 GHz Cortex-A53
  • 64-bit NEC VR4122 150 MHz
Graphics processor GPU
  • Mali-T720MP3
Unknown
Antutu 7 score *
  • 37456
Unknown
General specs
General specs — specifications for K4 Note, SX45.
SpecificationK4 NoteSX45
Release date
  • 2016
  • January
  • 2001
Colors
  • Black
Unknown
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 190 EUR
Unknown
Battery life
  • Stand by time- Up to 265 h (3G) Talking time- Up to 23 h (2G) / Up to 22 h (3G)
  • Stand by time- Up to 150 h Talking time- Up to 2 h
Body build
  • aluminum frame
  • plastic back
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for K4 Note, SX45.
SpecificationK4 NoteSX45
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800) - A7010 LTE band 1(2100)
  • 20(800)
  • 40(2300)
  • 41(2500) - A7010 a48
Unknown
Speed
  • HSPA
  • LTE Cat4 150/50 Mbps
Unknown
GPRS
  • Yes
  • No
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • Wi-Fi Direct
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
Unknown
Bluetooth
  • 4.0
  • A2DP
  • LE
  • No
Harmful irradiation
  • SAR EU - 0.84 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for K4 Note, SX45.
SpecificationK4 NoteSX45
Radio
  • FM radio
  • recording
  • No
Others
  • Dolby Atmos audio enhancement -Active noise cancellation with dedicated mic
  • 57.6 mm x 76.8 mm -0.24 mm pixel pitch
Other features
Other features — specifications for K4 Note, SX45.
SpecificationK4 NoteSX45
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Also known as: Lenovo K4 Note A7010a48
  • A7010
  • Lenovo Vibe X3 Lite
  • Infrared port - Full PocketPC functionality -Media player (MP3) - PDA + mobile phone