Archos 50d Helium 4G vs Coolpad Mega 3

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

    50d Helium 4G: 16 g lighter

    50d Helium 4G:
    154 g
    Mega 3:
    170 g
  • Width

    50d Helium 4G: 4.8 mm narrower

    50d Helium 4G:
    72.2 mm
    Mega 3:
    77 mm
  • Chipset

    50d Helium 4G:
    Qualcomm MSM8916 Snapdragon 410 (28 nm)
    Mega 3:
    Mediatek MT6737 (28 nm)
  • Height

    50d Helium 4G: 6 mm shorter

    50d Helium 4G:
    146 mm
    Mega 3:
    152 mm
  • Release year

    50d Helium 4G:
    2015
    Mega 3:
    2016

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. 50d Helium 4G

    Height:
    146 mm
    Width:
    72.2 mm
    Depth:
    8.4 mm
  2. 2. Mega 3

    Height:
    152 mm +6 mm versus 50d Helium 4G
    Width:
    77 mm +4.8 mm versus 50d Helium 4G
    Depth:
    8.2 mm

Weight

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

  1. 1. 50d Helium 4G

    154 g

  2. 2. Mega 3

    170 g

    +16 g versus 50d Helium 4G

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. 50d Helium 4G

    50d Helium 4G: Screen geometry unavailable or conflicting.

  2. 2. Mega 3

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

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 50d Helium 4G, Mega 3, compared at the same storage capacity.
Storage50d Helium 4GMega 3
8 GB 1 GB RAM Not recorded
16 GB Not recorded 2 GB 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. 50d Helium 4G

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD

2. Mega 3

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. 50d Helium 4G

    2100 mAh

  2. 2. Mega 3

    3050 mAh

    +950 mAh versus 50d Helium 4G

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. 50d Helium 4G2. Mega 3

Everyday essentials
Everyday essentials — specifications for 50d Helium 4G, Mega 3.
Specification50d Helium 4GMega 3
Dimensions (HxWxD)
  • 146 Х 72.2 Х 8.4 mm
  • 152 Х 77 Х 8.2 mm
Weight
  • 154 g
  • 170 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 5.5" inch
Screen resolution
  • 720 x 1280 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 16 GB
  • 2 GB RAM
Memory card support
  • microSD
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2100 mAh
  • Removable Li-Ion
  • 3050 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 5.1 (Lollipop)
  • Android 6.0 (Marshmallow); Cool UI
Chipset
  • Qualcomm MSM8916 Snapdragon 410 (28 nm)
  • Mediatek MT6737 (28 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for 50d Helium 4G, Mega 3.
Specification50d Helium 4GMega 3
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 83.4 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 132.5 Х 65.4 Х 10 mm
  • 71.3%
PPI /points per inch/
  • 294 PPI
  • 267 PPI
Screen protection Unknown
  • Scratch-resistant glass
Camera and Video
Camera and Video — specifications for 50d Helium 4G, Mega 3.
Specification50d Helium 4GMega 3
Rear camera, main
  • 13 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • 8 MP
  • AF
  • f/2.2
Functions
  • Dual-LED flash
  • LED flash
Video
  • 1080p@30fps
  • 720p
Front camera, selfie
  • 5 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 5 MP
  • 8 MP
  • f/2.2
Performance

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

Performance — specifications for 50d Helium 4G, Mega 3.
Specification50d Helium 4GMega 3
Processor CPU
  • Quad-core 1.2 GHz Cortex-A53
  • Quad-core 1.2 GHz Cortex-A53
Graphics processor GPU
  • Adreno 305
  • Mali-T860
Antutu 7 score *
  • 24004
  • 29322
General specs
General specs — specifications for 50d Helium 4G, Mega 3.
Specification50d Helium 4GMega 3
Release date
  • 2015
  • July
  • 2016
  • December
Colors
  • Dark Blue
  • Black
  • Champagne White
  • Moondust Grey
  • Gold White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 140 EUR
  • 110 EUR
Battery life Unknown
  • Stand by time- Up to 200 h (3G) Talking time- Up to 8 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for 50d Helium 4G, Mega 3.
Specification50d Helium 4GMega 3
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Triple SIM (Nano-SIM
  • triple stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE band 3(1800)
  • 7(2600)
  • 20(800)
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 20(800)
  • 40(2300)
Speed
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 21.1/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 4.0
  • Super AMOLED
  • 4.0
  • A2DP
Harmful irradiation Unknown
  • SAR EU - 0.68 W/kg (head) 0.66 W/kg (body)
Music and Audio
Music and Audio — specifications for 50d Helium 4G, Mega 3.
Specification50d Helium 4GMega 3
Radio
  • FM radio
  • Stereo FM radio; recording
Other features
Other features — specifications for 50d Helium 4G, Mega 3.
Specification50d Helium 4GMega 3
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity - Also known as Coolpad 3503I