Celkon 2GB Xpress vs OnePlus 7T

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.

  • Display technology

    OLED versus LCD

    2GB Xpress:
    LCD
    7T:
    OLED
  • Weight

    2GB Xpress: 56 g lighter

    2GB Xpress:
    134 g
    7T:
    190 g
  • Width

    2GB Xpress: 7.9 mm narrower

    2GB Xpress:
    66.5 mm
    7T:
    74.4 mm
  • Screen diagonal

    2GB Xpress: 2.05 in smaller diagonal

    2GB Xpress:
    4.5 in
    7T:
    6.55 in
  • Chipset

    2GB Xpress:
    Spreadtrum 7731
    7T:
    Qualcomm SDM855 Snapdragon 855+ (7 nm)
  • Rear camera layout

    2GB Xpress:
    Single
    7T:
    Triple

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 +2 mm versus 7T
  2. 2. 7T

    Height:
    160.9 mm +27.4 mm versus 2GB Xpress
    Width:
    74.4 mm +7.9 mm versus 2GB Xpress
    Depth:
    8.1 mm

Weight

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

  1. 1. 2GB Xpress

    134 g

  2. 2. 7T

    190 g

    +56 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. 7T

    Screen diagonal:
    6.55 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    103.6 cm²

7T has approximately 79.7% 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, 7T, compared at the same storage capacity.
Storage2GB Xpress7T
16 GB 2 GB RAM Unknown
7T: Original memory entry

128GB 8GB RAM · 256GB 8GB RAM · UFS3.0

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. 7T

NFC:
Yes
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. 2GB Xpress

    1500 mAh

  2. 2. 7T

    3800 mAh

    +2300 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. 7T

Everyday essentials
Everyday essentials — specifications for 2GB Xpress, 7T.
Specification2GB Xpress7T
Dimensions (HxWxD)
  • 133.5 Х 66.5 Х 10.1 mm
  • 160.9 Х 74.4 Х 8.1 mm
Weight
  • 134 g
  • 190 g
Technology
  • IPS LCD
  • Fluid AMOLED
Screen size
  • 4.5" inch
  • 6.55" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 128GB 8GB RAM
  • 256GB 8GB RAM
  • UFS3.0
Memory card support
  • microSD
  • up to 32 GB
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Li-Ion
  • 3800 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4.2 (KitKat)
  • upgradable to 5.0 (Lollipop)
  • Android 10.0
Chipset
  • Spreadtrum 7731
  • Qualcomm SDM855 Snapdragon 855+ (7 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for 2GB Xpress, 7T.
Specification2GB Xpress7T
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 57.6 cm2
  • 103.6 cm2
Screen format
  • 5:3 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 64.9%
  • 86.5%
PPI /points per inch/
  • 207 PPI
  • 402 PPI
Screen protection Unknown
  • Corning Gorilla Glass
Camera and Video
Camera and Video — specifications for 2GB Xpress, 7T.
Specification2GB Xpress7T
Rear camera, main
  • 5 MP
  • Single
  • 48 MP
  • Triple
Camera specs
  • 5 MP
  • AF
  • 48 MP
  • f/1.6
  • 26mm (wide)
  • 1/2''
  • 0.8µm
  • PDAF
  • OIS -12 MP
  • f/2.2
  • 51mm (telephoto)
  • 1.0µm
  • 2x optical zoom -16 MP
  • 17mm (ultrawide)
  • AF
Functions
  • LED flash
  • Auto-HDR
Video
  • Yes
  • 1080p@30fps
  • gyro-EIS
Front camera, selfie
  • 1.3 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 1.3 MP
  • 16 MP
  • f/2.0
  • 25mm (wide)
  • 1/3.1''
  • 1.0µm
Performance

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

Performance — specifications for 2GB Xpress, 7T.
Specification2GB Xpress7T
Processor CPU
  • Quad-core 1.2 GHz
  • Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
Graphics processor GPU
  • Mali-400
  • Adreno 640 (700 MHz)
Antutu 7 score * Unknown
  • 401214
Antutu 8 score * Unknown
  • 494705
GeekBench 5 Single Core * Unknown
  • 761
GeekBench 5 Multi-Core * Unknown
  • 2697
General specs
General specs — specifications for 2GB Xpress, 7T.
Specification2GB Xpress7T
Release date
  • 2015
  • July
  • 2019
  • September 26
Colors
  • Black
  • Frosted Silver
  • Glacier blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 600 EUR
Body build Unknown
  • Front glass (Gorilla Glass)
  • back glass (Gorilla Glass)
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for 2GB Xpress, 7T.
Specification2GB Xpress7T
SIM card
  • Dual SIM
  • Dual SIM (Nano-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 CDMA 800 / 1900 & TD-SCDMA -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 13(700)
  • 17(700)
  • 18(800)
  • 19(800)
  • 20(800)
  • 25(1900)
  • 26(850)
  • 28(700)
  • 29(700)
  • 32(1500)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • 66(1700/2100) - EU LTE band 1(2100)
  • 30(2300)
  • 46
  • 48
  • 66(1700/2100)
  • 71(600) - NA LTE band 1(2100)
  • 41(2500) - CN
  • IN
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (5CA) Cat18 1200/150 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
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • SBAS
USB
  • microUSB 2.0
  • 3.1
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 2.1
  • EDR
  • 5.0
  • A2DP
  • LE
  • aptX HD
Music and Audio
Music and Audio — specifications for 2GB Xpress, 7T.
Specification2GB Xpress7T
Radio
  • FM radio
  • No
Others Unknown
  • DCI-P3 100% -HDR10+ -90Hz
  • Active noise cancellation with dedicated mic -Dolby Atmos sound
Other features
Other features — specifications for 2GB Xpress, 7T.
Specification2GB Xpress7T
Dop
  • Sensors Accelerometer
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 30W (Warp Charge 30T)