Celkon Q405 vs Yezz Epic T

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

    Q405: 332 g lighter

    Q405:
    137 g
    Epic T:
    469 g
  • Width

    Q405: 22.3 mm narrower

    Q405:
    64.2 mm
    Epic T:
    86.5 mm
  • Screen diagonal

    Q405: 1.5 in smaller diagonal

    Q405:
    4 in
    Epic T:
    5.5 in
  • Chipset

    Q405:
    Spreadtrum 7731
    Epic T:
    Mediatek MT6750 (28 nm)
  • Depth

    Q405: 6 mm thinner

    Q405:
    9.9 mm
    Epic T:
    15.9 mm
  • Height

    Q405: 44.8 mm shorter

    Q405:
    124 mm
    Epic T:
    168.8 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. Q405

    Height:
    124 mm
    Width:
    64.2 mm
    Depth:
    9.9 mm
  2. 2. Epic T

    Height:
    168.8 mm +44.8 mm versus Q405
    Width:
    86.5 mm +22.3 mm versus Q405
    Depth:
    15.9 mm +6 mm versus Q405

Weight

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

  1. 1. Q405

    137 g

  2. 2. Epic T

    469 g

    +332 g versus Q405

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. Q405

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. Epic T

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

Epic T has approximately 83.1% more rectangular screen area than Q405.

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 Q405, Epic T, compared at the same storage capacity.
StorageQ405Epic T
32 GB Unknown 3 GB RAM
Q405: Original memory entry

4 GB · 512 MB RAM

Practical features

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

1. Q405

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

2. Epic T

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB

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. Q405

    1500 mAh

  2. 2. Epic T

    9000 mAh

    +7500 mAh versus Q405

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. Q4052. Epic T

Everyday essentials
Everyday essentials — specifications for Q405, Epic T.
SpecificationQ405Epic T
Dimensions (HxWxD)
  • 124 Х 64.2 Х 9.9 mm
  • 168.8 Х 86.5 Х 15.9 mm
Weight
  • 137 g
  • 469 g
Technology Unknown
  • IPS LCD
Screen size
  • 4" 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.
  • 4 GB
  • 512 MB RAM
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 128 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Li-Ion
  • 9000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4 (KitKat)
  • Android 7.0 (Nougat)
Chipset
  • Spreadtrum 7731
  • Mediatek MT6750 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Q405, Epic T.
SpecificationQ405Epic T
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 83.4 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 57.2%
  • 57.1%
PPI /points per inch/
  • 233 PPI
  • 401 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Q405, Epic T.
SpecificationQ405Epic T
Rear camera, main
  • 3.15 MP
  • Single
  • 16 MP
  • Single
Camera specs
  • 3.15 MP
  • 16 MP
  • AF
Functions
  • LED flash
  • LED flash
  • panorama
  • HDR
Video
  • Yes
  • 1080p@60fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 1.3 MP
  • 8 MP
Performance

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

Performance — specifications for Q405, Epic T.
SpecificationQ405Epic T
Processor CPU
  • Quad-core 1.2 GHz
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU
  • Mali-400
  • Mali-T860MP2
Antutu 7 score * Unknown
  • 38602
General specs
General specs — specifications for Q405, Epic T.
SpecificationQ405Epic T
Release date
  • 2015
  • May
  • 2018
  • March
Colors
  • Black
  • White
  • Gold
  • Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 250 EUR
Battery life Unknown
  • Stand by time- Up to 650 h (3G) Talking time- Up to 30 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Q405, Epic T.
SpecificationQ405Epic T
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 -3G - HSDPA 850 / 1900 / 2100 -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 7(2600)
  • 17(700)
  • 28(700)
Speed
  • HSPA
  • HSPA 42.2/11.5 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
USB
  • microUSB
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 2.0
  • 4.0
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.25 W/kg (head) 0.55 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Q405, Epic T.
SpecificationQ405Epic T
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Q405, Epic T.
SpecificationQ405Epic T
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging - IP68 dust/water proof (up to 1.5m for 30 mins) -MIL-STD-810G compliant -Flashlight