Celkon 2GB Xpress vs Lenovo K4 Note

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

    2GB Xpress: 24 g lighter

    2GB Xpress:
    134 g
    K4 Note:
    158 g
  • Width

    2GB Xpress: 10 mm narrower

    2GB Xpress:
    66.5 mm
    K4 Note:
    76.5 mm
  • Screen diagonal

    2GB Xpress: 1 in smaller diagonal

    2GB Xpress:
    4.5 in
    K4 Note:
    5.5 in
  • Chipset

    2GB Xpress:
    Spreadtrum 7731
    K4 Note:
    Mediatek MT6753 (28 nm)
  • Depth

    K4 Note: 0.9 mm thinner

    2GB Xpress:
    10.1 mm
    K4 Note:
    9.2 mm
  • Height

    2GB Xpress: 20.1 mm shorter

    2GB Xpress:
    133.5 mm
    K4 Note:
    153.6 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. 2GB Xpress

    Height:
    133.5 mm
    Width:
    66.5 mm
    Depth:
    10.1 mm +0.9 mm versus K4 Note
  2. 2. K4 Note

    Height:
    153.6 mm +20.1 mm versus 2GB Xpress
    Width:
    76.5 mm +10 mm versus 2GB Xpress
    Depth:
    9.2 mm

Weight

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

  1. 1. 2GB Xpress

    134 g

  2. 2. K4 Note

    158 g

    +24 g versus 2GB Xpress

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. 2GB Xpress

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    57.6 cm²
  2. 2. K4 Note

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

K4 Note has approximately 44.7% more rectangular screen area than 2GB Xpress.

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 2GB Xpress, K4 Note, compared at the same storage capacity.
Storage2GB XpressK4 Note
16 GB 2 GB RAM Unknown
K4 Note: Original memory entry

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

Practical features

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

1. 2GB Xpress

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

2. K4 Note

NFC:
Yes
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. 2GB Xpress

    1500 mAh

  2. 2. K4 Note

    3300 mAh

    +1800 mAh versus 2GB Xpress

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. 2GB Xpress2. K4 Note

Everyday essentials
Everyday essentials — specifications for 2GB Xpress, K4 Note.
Specification2GB XpressK4 Note
Dimensions (HxWxD)
  • 133.5 Х 66.5 Х 10.1 mm
  • 153.6 Х 76.5 Х 9.2 mm
Weight
  • 134 g
  • 158 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4.5" inch
  • 5.5" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 16 GB
  • 3 GB RAM - A7010 a488/16/32 GB
  • 2 GB RAM - A7010
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Li-Ion
  • 3300 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4.2 (KitKat)
  • upgradable to 5.0 (Lollipop)
  • Android 5.1.1 (Lollipop)
  • upgradable to 6.0 (Marshmallow)
Chipset
  • Spreadtrum 7731
  • Mediatek MT6753 (28 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for 2GB Xpress, K4 Note.
Specification2GB XpressK4 Note
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 57.6 cm2
  • 83.4 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 64.9%
  • 71.0%
PPI /points per inch/
  • 207 PPI
  • 401 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for 2GB Xpress, K4 Note.
Specification2GB XpressK4 Note
Rear camera, main
  • 5 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 13 MP
  • PDAF
  • f/2.2
Functions
  • LED flash
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 1.3 MP
  • 5 MP
  • f/2.2
Performance

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

Performance — specifications for 2GB Xpress, K4 Note.
Specification2GB XpressK4 Note
Processor CPU
  • Quad-core 1.2 GHz
  • Octa-core 1.3 GHz Cortex-A53
Graphics processor GPU
  • Mali-400
  • Mali-T720MP3
Antutu 7 score * Unknown
  • 37456
General specs
General specs — specifications for 2GB Xpress, K4 Note.
Specification2GB XpressK4 Note
Release date
  • 2015
  • July
  • 2016
  • January
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 190 EUR
Battery life Unknown
  • Stand by time- Up to 265 h (3G) Talking time- Up to 23 h (2G) / Up to 22 h (3G)
Body build Unknown
  • aluminum frame
  • plastic back
Communication and Connectivity
Communication and Connectivity — specifications for 2GB Xpress, K4 Note.
Specification2GB XpressK4 Note
SIM card
  • Dual SIM
  • Dual SIM (Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • 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
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.1
  • EDR
  • 4.0
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR EU - 0.84 W/kg (head)
Music and Audio
Music and Audio — specifications for 2GB Xpress, K4 Note.
Specification2GB XpressK4 Note
Radio
  • FM radio
  • FM radio
  • recording
Others Unknown
  • Dolby Atmos audio enhancement -Active noise cancellation with dedicated mic
Other features
Other features — specifications for 2GB Xpress, K4 Note.
Specification2GB XpressK4 Note
Dop
  • Sensors Accelerometer
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Also known as: Lenovo K4 Note A7010a48
  • A7010
  • Lenovo Vibe X3 Lite