Archos 55 Cobalt Plus vs Motorola XT928

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    55 Cobalt Plus: 19 g lighter

    55 Cobalt Plus:
    130 g
    XT928:
    149 g
  • Width

    XT928: 9.4 mm narrower

    55 Cobalt Plus:
    77 mm
    XT928:
    67.6 mm
  • Screen diagonal

    XT928: 1 in smaller diagonal

    55 Cobalt Plus:
    5.5 in
    XT928:
    4.5 in
  • Depth

    55 Cobalt Plus: 1.6 mm thinner

    55 Cobalt Plus:
    8.3 mm
    XT928:
    9.9 mm
  • Height

    XT928: 17.7 mm shorter

    55 Cobalt Plus:
    152.5 mm
    XT928:
    134.8 mm
  • Release year

    55 Cobalt Plus:
    2016
    XT928:
    2011

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. 55 Cobalt Plus

    Height:
    152.5 mm +17.7 mm versus XT928
    Width:
    77 mm +9.4 mm versus XT928
    Depth:
    8.3 mm
  2. 2. XT928

    Height:
    134.8 mm
    Width:
    67.6 mm
    Depth:
    9.9 mm +1.6 mm versus 55 Cobalt Plus

Weight

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

  1. 1. 55 Cobalt Plus

    130 g

  2. 2. XT928

    149 g

    +19 g versus 55 Cobalt Plus

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. 55 Cobalt Plus

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. XT928

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

55 Cobalt Plus has approximately 49.4% more rectangular screen area than XT928.

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 55 Cobalt Plus, XT928, compared at the same storage capacity.
Storage55 Cobalt PlusXT928
16 GB 2 GB RAM Unknown
XT928: Original memory entry

16 GB

Practical features

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

1. 55 Cobalt Plus

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB (dedicated slot)

2. XT928

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. 55 Cobalt Plus

    2700 mAh

    +965 mAh versus XT928

  2. 2. XT928

    1735 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. 55 Cobalt Plus2. XT928

Everyday essentials
Everyday essentials — specifications for 55 Cobalt Plus, XT928.
Specification55 Cobalt PlusXT928
Dimensions (HxWxD)
  • 152.5 Х 77 Х 8.3 mm
  • 134.8 Х 67.6 Х 9.9 mm
Weight
  • 130 g
  • 149 g
Technology
  • IPS LCD
Unknown
Screen size
  • 5.5" inch
  • 4.5" 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.
  • 16 GB
  • 2 GB RAM
  • 16 GB
Memory card support
  • microSD
  • up to 64 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2700 mAh
  • Non-removable Li-Ion
  • 1735 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1.1 (Lollipop)
  • Android 2.3 (Gingerbread)
Chipset
  • Mediatek MT6735P (28 nm)
Unknown
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for 55 Cobalt Plus, XT928.
Specification55 Cobalt PlusXT928
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 55.8 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 71.0%
  • 61.3%
PPI /points per inch/
  • 267 PPI
  • 326 PPI
Camera and Video
Camera and Video — specifications for 55 Cobalt Plus, XT928.
Specification55 Cobalt PlusXT928
Rear camera, main
  • 13 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • 13 MP
  • AF
Functions
  • Dual-LED flash
  • HDR
  • panorama
  • LED flash
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 2 MP
Unknown
Performance

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

Performance — specifications for 55 Cobalt Plus, XT928.
Specification55 Cobalt PlusXT928
Processor CPU
  • Quad-core 1.0 GHz Cortex-A53
  • Dual-core 1.2 GHz
Graphics processor GPU
  • Mali-T720MP2
Unknown
Antutu 7 score *
  • 21040
Unknown
General specs
General specs — specifications for 55 Cobalt Plus, XT928.
Specification55 Cobalt PlusXT928
Release date
  • 2016
  • January
  • 2011
  • December
Colors
  • Blue/Gray
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 280 EUR
Battery life
  • Stand by time- Up to 450 h Talking time- Up to 27 h
  • Stand by time- Up to 260 h Talking time- Up to 7 h 40 min
Communication and Connectivity
Communication and Connectivity — specifications for 55 Cobalt Plus, XT928.
Specification55 Cobalt PlusXT928
SIM card
  • Single SIM (Micro-SIM)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 900 / 2100-4G - LTE band 1(2100)
  • 7(2600)
  • 9(1800)
  • 20(800)
  • Show all network frequencies: -2G - CDMA 800 / 1900 GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
  • EV-DO Rev. A 3.1 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 2.1
  • A2DP
  • EDR
Harmful irradiation
  • SAR EU - 0.25 W/kg (head) 1.28 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for 55 Cobalt Plus, XT928.
Specification55 Cobalt PlusXT928
Radio
  • Stereo FM radio
  • RDS
  • recording
  • No
Others Unknown
  • Dolby Digital Plus audio enhancement -Active noise cancellation with dedicated mic
Other features
Other features — specifications for 55 Cobalt Plus, XT928.
Specification55 Cobalt PlusXT928
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • Sensors Accelerometer
  • proximity
  • compass - HDMI port -MP3/AAC+/WAV/WMA player -MP4/H.264/WMV player -Organizer -Document viewer/editor -Voice memo/dial/commands -Predictive text input - For China Telecom